Our expert analysts researched and ranked the leading California iPhone app development companies that build customer-centric applications that engage and convert users into paying customers. Use our practical tool to filter listings by budget, size and reviews and select the best partner for your business needs.

Best iOS App Development Agency In California

10 Companies - Rankings updated: September 06, 2026

DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.

iPhone
Fashion
$10,000 - $25,000
Sort by: Sponsored
United States × California × iPhone App Development × Fashion × $10,000 - $25,000 × Clear Filters

  • M TECHUB LLC

    Verified Verified by the DesignRush team for authenticity and credibility.

    M TECHUB LLC, Where Ideas Become Scalable Digital Products

    M TECHUB LLC Leading Mobile App Development & Staff Augmentation Company in the USA...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • AI Development
    • Web Development
    • Show more
    Location
    Mountain View, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    20 Projects Listed

    M TECHUB LLC Services

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • AI Development
    • Web Development
    • eCommerce Development
    • UI/UX Design
    • Blockchain
    • Software Testing
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Victor
    • Alexandar
    • Oscar
    • Alex
    • Qleever
    • Erzat
    • Roxana
    • Amir
    • Abbas
    • Matt
    Data sourced from the agency's DesignRush profile

    M TECHUB LLC Reviews & Testimonials

    • Amber Irish
      Amber Irish President at Integrated IT Solutions
      5.0 ★

      Mobile App Development Review from Amber Irish

      M TECHUB LLC developed our logistics mobile app with real-time shipment tracking, driver management, route updates, delivery status, and an admin dashboard. Their team understood the operational needs of the logistics industry and delivered a reliable, easy-to-use solution. Communication was smooth, and we were very satisfied with the final product.

    • Olivia Smith
      Olivia Smith CEO at Musuvillc
      5.0 ★

      Mobile App Development Review from Olivia Smith

      We have worked with M TECHUB LLC as our B2B software development partner on multiple client projects. Their team has supported us with mobile app development, web applications, backend development, and custom software solutions. They are reliable, responsive, and flexible with changing project requirements. M TECHUB LLC has been a valuable development partner, and we highly recommend them for B2B software development and technical outsourcing.

    • Victor Lue-Yat
      Victor Lue-Yat CEO at DocuGreen
      5.0 ★

      Software Development Review from Victor Lue-Yat

      We have been working with M TECHUB since 2023 on software and application development projects, and they have become a valued technology partner to our company. Their team has consistently demonstrated strong technical capabilities, responsiveness, and a genuine commitment to delivering quality work. They communicate well, are receptive to feedback, and work collaboratively with us to solve challenges and continuously improve our applications. What I appreciate most is their reliability and willingness to work through complex requirements rather than simply completing assigned tasks. Over the years, we have developed a strong working relationship and considerable trust in their team. Based on our experience since 2023, I am very comfortable recommending M TECHUB to companies looking for a dependable software development partner.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.8 4.8 (8)

  • AgileTech

    HIGH QUALITY SOFTWARE COMPANY IN VIETNAM

    With over 10 years of expertise, AgileTech Vietnam stands at the forefront of delivering innovative technology solutions across a wide range of industries. Our team of 300+ skilled developers has completed more than 1,000 successful projects, ranging from dynamic startups to large-scale enterprises...

    Top Services:

    • Web Development
    • WordPress Website Design
    • UI/UX Design
    • eCommerce Development
    • Web Design
    • Show more
    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    50 Projects Listed

    AgileTech Services

    • Web Development
    • WordPress Website Design
    • UI/UX Design
    • eCommerce Development
    • Web Design
    • Software Development
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Clingme
    • Luxstay
    • Lian
    • Ferosh
    • Alosong
    • Stardary
    • Tizo
    • Jupviec
    Data sourced from the agency's DesignRush profile

    AgileTech Reviews & Testimonials

    • Noah Petraitis
      Noah Petraitis Project Manager at National Technologies (NTI)
      5.0 ★

      Mobile App Development Review from Noah Petraitis

      AgileTech excelled in supporting our project from initial mock-ups through to the final delivery on the App Store, incorporating data analytics that we could easily share with our customers. The scope of work included mock-up creation, UI/UX design, interactive prototyping, app development, rigorous testing, and setting up a secure production environment on AWS, culminating in the apps release on both iOS and Android platforms.

    • Selva Jayaraman
      Selva Jayaraman Owner at Business Integra Inc
      5.0 ★

      Software Development Review from Selva Jayaraman

      Working with AgileTech has been an amazing experience, especially when it comes to creating a personalized e-learning program for our IT services business. We were pleasantly surprised by how adaptable and scalable the platform developed by the AgileTech Team was. Their proficiency with user-friendly course administration and community participation technologies enabled us to provide a thorough instructional resource catered to our customers' particular requirements. The platform has greatly improved our operational efficiency, and we are amazed by its capacity to manage heavy traffic with ease and offer comprehensive reporting and analytics. The platform remained successful and user-friendly because of the team's dedication to continuous support and their quick response to criticism. For any organization looking to create innovative and reliable digital solutions, we wholeheartedly recommend AgileTech as a partner.

    • Preci Capiral
      Preci Capiral Owner at TechnoSphere, Inc.
      5.0 ★

      Software Development Review from Preci Capiral

      AgileTech provided a superb Learning Management System (LMS) that creatively and precisely addressed the intricate needs of our organization. Within a scalable, completely customizable platform, the LMS made it possible to create comprehensive courses, administer student tests, engage the community, and obtain real-time data insights. AgileTech's modular and agile approach made sure that every component, from the user-friendly course builder to the sophisticated analytics and communication tools, was customized to meet our demands despite the difficulties of developing such a feature-rich system. In order to guarantee perfect scalability and zero downtime, even with high user concurrency, AgileTech used a potent tech stack that included PHP, React, and AWS. Their post-launch assistance, which included frequent training sessions and upgrades, gave our staff the means to fully use the LMS's potential. This project was a testament to AgileTech's technical skill, rapid deployment, and dedication, making them an outstanding choice for educational technology development.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.8 4.8 (6)
    4.7 4.7 (20)

  • RichestSoft

    Enterprise Grade App & Web Development Services

    At RichestSoft, we don't just build apps; we create seamless digital experiences that automate businesses. As a leading Mobile App and Web Development Company, we partner with visionary companies to bring their ideas to life, blending their vision with our cutting-edge technical expertise to spark future...

    Top Services:

    • eCommerce Development
    • Web Development
    • Mobile App Development
    • Software Development
    • Blockchain
    • Show more
    Location
    San Jose, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed

    RichestSoft Services

    • eCommerce Development
    • Web Development
    • Mobile App Development
    • Software Development
    • Blockchain
    • AI Development
    • VR/AR
    • Software Testing
    • Wearables
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • JIB ROADSIDE ASSISTANCE
    • Rod Foster
    • Germany-Chat.com
    • Pools Magnic App
    • MeowChowNow
    • Silvia Berlain
    • Glitter Dating App
    • JCA Food App
    • Gift3R
    Data sourced from the agency's DesignRush profile

    RichestSoft Reviews & Testimonials

    • Lathan Ashton
      Lathan Ashton IT Systems Architect at Partners in Performance International
      5.0 ★

      Web Development Review from Lathan Ashton

      RichestSoft was tasked with taking our existing templates, upgrading them to the latest version of our CMS, and deploying them to a staging environment. They also updated the designs for all subsections of the site. The site is fairly generic, consisting of static pages with links from the homepage to product descriptions, case studies, and more. Our team can easily log into the CMS and update case studies without needing a web developer, which has been a huge advantage. Our primary concern was the seamless conversion of our old templates, and RichestSoft handled this flawlessly. They even suggested ideas like making the site multilingual, though we only needed an English version, so it wasn’t necessary in our case.

    • Robbie Hart
      Robbie Hart Founder at C4 Belts
      5.0 ★

      Web Development Review from Robbie Hart

      The website now has a more modern and appealing feel, and we've noticed an increase in the number of visitors since working with RichestSoft. They effectively leverage their technologies, and their communication and timeliness have been satisfactory throughout the project. Our business is centered around land development and industrial projects, supported by a team of IT professionals that manage the technology driving our operations. Our mission is to provide quality and satisfaction by utilizing our knowledge, experience, and ambition to meet and exceed our clients' expectations.

    • James Shehan
      James Shehan IT Director at InventRight
      5.0 ★

      Web Development Review from James Shehan

      RichestSoft consistently delivered on a complex and demanding project, handling all tasks with efficiency. Whenever any bugs or issues surfaced on the site, they promptly resolved them. While there have been occasional communication challenges, none of these have affected the high-quality and cost-effective service they provide.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.9 4.9 (18)
    3.8 3.8 (151)

  • Ptolemay

    IT Solutions for Promising Businesses

    We are a full-cycle IT development company that designs and creates perfect solutions based in the US with HQ in Walnut, California. Our experience in diverse marketplaces allows us to offer high-level service to our clients with a clear understanding of their need for flexibility, speed, and agility...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • UI/UX Design
    • Web Development
    • Show more
    Location
    Walnut, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed

    Ptolemay Services

    • Mobile App Development
    • Software Development
    • AI Development
    • UI/UX Design
    • Web Development
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Samsung
    • Knauf
    • Tilda RetailCRM
    • Coca-Cola
    • Roonyx INC
    • Sola
    • Technaxis
    • Arsidian LLC
    • Cumulative Business Solutions LLC
    • Tegen LLC
    Data sourced from the agency's DesignRush profile

    Ptolemay Reviews & Testimonials

    • Vladimir Drogan
      Vladimir Drogan ceo at roonyx
      5.0 ★

      Mobile App Development Review from Vladimir Drogan

      They are the top app developers Ive ever worked with I'm most impressed with Ptolemay's ability to properly plan the process, manage their work, and communicate early about what it will take. They're clearly experienced, understand what's needed, and are truthful and honest about it. With Ptolemay, I don't have to worry about the ongoing process since all updates are easy to access.

    • Ekaterina Rebus
      Ekaterina Rebus Marketing Manager at MetaLamp
      4.8 ★

      Mobile App Development Review from Ekaterina Rebus

      They are true experts in mobile app development! The most important thing to us when working with any company is that they take responsibility for the work they do and show a high level of expertise in their field. We have never worked with a company that has demonstrated such dedication to their craft as Ptolemay. They have always shown up prepared and ready to get started on the project at hand, and they have even gone above and beyond in order to produce exceptional products.

    • Анастасия Головенко
      Анастасия Головенко Review from Google
      5.0 ★

      Анастасия Головенко's Review Sourced from Google

      We cooperate with Ptolemay for the last couple of years in terms of outstaffing demands. As we have already worked on more than 6 big projects, they have proven themselves as a reliable partner that provide high quality developers. Despite the difficulty of the position we need, they are always ready to involve their team to help us cover the demand. Even though any cooperation tend to have its own issues and misunderstanding, the Ptolemays’ team has always been open for resolving problems and finding compromise

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.4 4.4 (2)
    5.0 5.0 (10)

  • Signature Creative

    Designing Digital Innovation, Delivering Impact

    Signature Creative is a Los Angeles based digital product and design agency founded in 2004. With a lean, senior-led team, they specialize in transforming brands through a combination of award-winning branding, UX/UI, creative technology, and full-stack development. The firm partners with Fortune 500s...

    Top Services:

    • Branding
    • Graphic Design
    • Social Media Marketing
    • Creative Services
    • Design Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed

    Signature Creative Services

    • Branding
    • Graphic Design
    • Social Media Marketing
    • Creative Services
    • Design Services
    • Print Design
    • UI/UX Design
    • Mobile App Development
    • Digital Marketing
    • Digital Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Ericsson
    • Tavistock
    • MARS
    • Pepsico
    • Sony Pictures
    • Paramount Pictures
    • Lionsgate
    • Munchkin
    • Disney
    • Qualcomm
    Data sourced from the agency's DesignRush profile

    Signature Creative Reviews & Testimonials

    • Will Hobbs
      Will Hobbs Review from Google
      5.0 ★

      Will Hobbs's Review Sourced from Google

      Signature provides a consistently high level of excellence particularly in design but also across a wide range disciplines necessary for brand development and digital presence. Their truly interdisciplinary approach means they can produce wholistic digital experiences from tip to tail fast and efficiently. I have used them frequently for a variety of start up ventures as well as referred many of my clients to them with excellent results. Look no further, you have found your agency.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    5.0 5.0 (6)

  • RipenApps Technologies

    Ripening Ideas Into Apps

    RipenApps Technologies is the leading mobile app development company which is headquartered in USA and successfully running in other locating countries including India, UAE, Germany...

    Top Services:

    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Ontario, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    21 Projects Listed

    RipenApps Technologies Services

    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Web Design
    • UI/UX Design
    • IoT
    • Wearables
    • CRM Consulting
    • ERP Consulting
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • newlight
    • CoffeeKarma
    • ufp
    • poultrify
    • ITR
    • Keeva
    • Menos
    • GoGreen
    • Merci
    Data sourced from the agency's DesignRush profile

    RipenApps Technologies Reviews & Testimonials

    • Saras Bisht
      Saras Bisht Review from Google
      5.0 ★

      Saras Bisht's Review Sourced from Google

      I have been working at RipenApps Technologies for the past two months, and it's been a great experience. The work environment is positive, and the team is really supportive. I'm learning a lot, and the company values innovation and quality. Looking forward to growing here !

    • AVINASH RANA
      AVINASH RANA Review from Google
      5.0 ★

      AVINASH RANA's Review Sourced from Google

      Working at RipenApps Technologies has been an enriching experience. The company fosters a collaborative work environment, encourages innovation, and provides ample opportunities for professional growth. The leadership team is supportive, and the work culture promotes learning and development. Colleagues are talented and always ready to help, making it a great place to build a rewarding career. Proud to be a part of this dynamic organization!

    • Pavan Pathak
      Pavan Pathak Review from Google
      5.0 ★

      Pavan Pathak's Review Sourced from Google

      RipenApps is the best platform to transform your ideas into digital solutions. and It also cares about its employees. I have been working with RipenApps for almost 9 months now and I have learned many new things in development and IT as well as beyond development. My experience at RipenApps as an employee, as a person, has been great. many thanks to RipenApps for everything I have experienced so far.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.6 4.6 (193)

  • Horus

    Top Global Mobile Development Studio

    We are Horus Studio, a Global Mobile Development Studio passionate about creating cutting-edge apps using .NET MAUI, Flutter and Uno Platform...

    Top Services:

    • Mobile App Development
    • Software Development
    • IoT
    • UI/UX Design
    • Product Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed

    Horus Services

    • Mobile App Development
    • Software Development
    • IoT
    • UI/UX Design
    • Product Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Swedlock
    • Farmashop
    • Innomind
    • Uno Platform
    • PowerPlus
    • Sweatworks
    • VBC Finders
    • 365 ID
    • UxDivers
    • MyPass
    Data sourced from the agency's DesignRush profile
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  • Pretty Great

    A Growth Partner Built for Vcs and Their Portfolio

    Pretty Great® is an integrated creative studio designed and run like a talent management company. We search the world for the best creative talent, and we connect them with brands...

    Top Services:

    • Branding
    • Creative Services
    • Product Design
    • Web Design
    • Video Production
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

    Pretty Great Services

    • Branding
    • Creative Services
    • Product Design
    • Web Design
    • Video Production
    • Mobile App Development
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Connect Ventures
    • Long Harbour
    • Nike
    Data sourced from the agency's DesignRush profile
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  • devAtelier

    Southern Californias Mobile App experts since 2009

    We are San Diego's mobile-native and mobile-first consultancy. We specialize in Swift for iOS, Flutter for iOS/Android, and React for Web. We have led projects for Fortune 500 companies and startups. If you're looking for an easy-to-talk-to and experienced partner to build your app, call devAtelier!...

    Top Services:

    • Mobile App Development
    • Software Development
    • IoT
    • Web Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $10,000 - $25,000

    devAtelier Services

    • Mobile App Development
    • Software Development
    • IoT
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Citrix
    • Enthrall Sports
    • Clarvue
    • Look2Learn
    Data sourced from the agency's DesignRush profile
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  • H.R Software Solutions Pvt. Ltd.

    Innovate, Code, Elevate Transforming Ideas into Reality.

    H.R. Software Solutions Pvt. Ltd. is a leading IT company offering cutting-edge software development, web solutions, and digital marketing services. We specialize in ERP, CRM, mobile app development, and AI-driven solutions for businesses of all sizes. With a customer-centric approach, we deliver innovative...

    Top Services:

    • Software Development
    • Web Development
    • Digital Marketing
    • Mobile App Development
    • Show more
    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000

    H.R Software Solutions Pvt. Ltd. Services

    • Software Development
    • Web Development
    • Digital Marketing
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Maddares
    • Riyadh Rehab
    • Taaheel
    • Salec
    • Enriched Academy
    • IOCL
    • Indian Railway
    • EDCIL
    • Noida Authority
    • BLK Hospital
    Data sourced from the agency's DesignRush profile
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