Best Free App Builder Tools: No-Code Solutions for Mobile & Web Apps

• iOS & Android: Build native mobile apps using React Native
• Web: Deploy responsive web apps
• Desktop: Output desktop-compatible apps

• Single codebase for all platforms
• Unified visual editor for deployment
• No platform-specific adjustments needed

• Composer Pro: Responsive layouts with precise UI and style control

• Advanced logic editor: Visually define custom logic and workflows

• 500+ customizable pre-built components

• REST API integration
• Deep SAP integration for enterprise use

• Advanced behavior, animations, and designs without writing code

• API integration wizard for external data sources
• Local/cloud data manipulation through dynamic variables and resources

• Strong SAP integration for internal enterprise tools

• No native analytics dashboard
• External tools like Google Analytics can be integrated via API/custom logic

• Covers platform basics, logic, and data handling with examples

• Active discussions, peer-driven support, variable response times

• Tutorials and videos available, limited depth for complex issues

• Steeper for non-technical users
• Better suited for self-learners or those comfortable with documentation

• iOS & Android: Single build compiles natively for both platforms

• Features, layouts, and logic work consistently across devices

• One-click publishing to Apple App Store & Google Play Store (paid plans only)

• Thunkable Live app lets users preview/test apps instantly on devices

• Ideal for small teams and solo builders prioritizing speed, ease, and mobile reach

• Drag-and-drop interface for UI components

• Block-based programming for interactivity and workflows

• Access to GPS, camera, accelerometer, push notifications

• Firebase, Airtable, and Google Sheets for real-time data syncing

• Built-in support for Firebase, Google, and email-based user logins

• Suitable for building polished, interactive apps quickly without full-stack complexity

• Connect to Firebase, Airtable, or Google Sheets for reading/writing data

• Built-in media/file storage

• Use REST API blocks to connect to external services (CRMs, payments, etc.)

• Capture/store user input and profiles via backend integrations

• No native analytics dashboard
• Use Firebase Analytics or Google Analytics for external tracking

• Offers solid backend tools suitable for MVPs and mid-level applications

• Rich with tutorials, step-by-step guides, and help articles

• Active user base sharing tips, templates, and troubleshooting help

• Popular in schools and bootcamps, beginner-friendly learning path

• Easy for simple apps; more complex features (like API logic) require extra learning

• Great for first-time app builders; experimentation needed to scale advanced capabilities

• iOS & Android: Native app compilation with direct publishing to app stores

• Deploy as Progressive Web Apps (PWA) for browser access without app store installation

• One project handles logic and layout for all platforms — no separate versions needed

• Great for teams wanting cross-platform reach without writing code

• Drag-and-drop interface for precise UI layout

• Industry-specific templates (e.g., marketplaces, social networks, bookings) for faster starts

• Visual workflows tied to user inputs and database actions

• Use built-in Adalo database or connect to Airtable, Google Sheets, etc.

• Add conditional logic, filters, and user-specific content through login-based customization

• Ideal for MVPs, startups, and small business apps — though limited compared to full-code or advanced low-code platforms

• Native database stores users, listings, posts, etc.

• Connect to Airtable, Google Sheets, Xano, or any REST API for dynamic content

• Automate tasks like creating, filtering, and updating data in response to user activity

• Upload and manage images and files directly

• No built-in analytics- Use Google Analytics, Segment, or APIs for external event tracking

• Strong backend workflow management without needing your own infrastructure

• Extensive documentation with how-tos, visual walkthroughs, and guides

• Active peer-to-peer support, templates, and discussions

• Browse and repurpose app templates across industries like education, eCommerce, and events

• Very accessible for beginners- Complex workflows (e.g., custom APIs or external databases) may require learning by experimentation or third-party support

• Progressive Web Apps (PWAs)

• Runs on iOS, Android, tablets, and desktops from a single browser-based build

• Not natively supported for App Store or Google Play publishing (requires third-party workarounds)

• Live updates from your connected data source instantly reflect in the app

• Great for internal tools, dashboards, and lightweight operations apps

• Drag-and-drop interface using responsive, pre-built components

• Over 100 templates in categories like CRM, HR, and project management

• App structure is built entirely around a data source, driving both layout and logic

• Perform calculations, conditional logic, or data formatting directly in the data editor

• Trigger workflows, third-party integrations, or in-app behaviors without writing code

• Lacks support for pixel-perfect customization or complex visual effects

• Connects to Google Sheets, Excel, Airtable, or SQL databases

• Includes an internal editor for structuring data if no external source is used

• Upload and manage files (e.g., images, docs) directly in the app

• Data changes update instantly in the app — ideal for live dashboards and collaborative tools

• No built-in analytics dashboards
• External tools (Google Analytics, custom API endpoints) can be integrated

• Beginner-friendly tutorials, videos, and guided onboarding from the Glide dashboard

• Active community sharing templates, fixes, and tips

• Covers layout editing, computed columns, automations, and data setup

• Easy to start (especially for spreadsheet users)
• Advanced features like API calls or complex logic require experimentation

• Excellent for quick internal tools, MVPs, and spreadsheet-powered workflows

• Primarily for Android app development

• Native APKs for Android
• Real-time testing with MIT AI2 Companion app

• Limited/beta support via iOS Companion app
• No official support for publishing to the App Store

• Entirely browser-based — no software installation needed

• Test updates instantly on a mobile device using a QR code

• Drag-and-drop visual layout builder

• Block-based coding (like Scratch): uses color-coded blocks to define app logic

• GPS, sensors, basic UI elements, simple animations, speech-to-text

• Minimal design control and limited interface customization

• Great for education, prototyping, and understanding mobile app logic

• Not ideal for complex interfaces or production-grade apps

• TinyDB for storing data locally on the device

• TinyWebDB and Firebase integration for simple online syncing

• Upload and use basic media like images or audio

• No native analytics tools
• Manual tracking requires extensions or third-party APIs

• Suitable for lightweight data usage and prototyping, not for heavy backend requirements

• Step-by-step tutorials, beginner projects, and educator-focused curriculum

• Active forums with Q&A, project sharing, and troubleshooting

• Designed primarily for educational use and first-time app builders

• Very beginner-friendly, especially for students or non-programmers

• Limited scalability for advanced logic, APIs, or sophisticated UI design

✅

(Basic Projects)

❌

(Needs integration)

✅

(TinyDB)

✅

(REST APIs)

✅

(Firebase, Airtable)

✅

(Airtable, REST)

✅

(Sheets, Airtable)

✅

(Firebase)

✅

(via SAP)

✅

❌

(3rd-Party Only)

❌

❌

(External only)

❌

(via Firebase)

❌

(External only)

❌

(via API)

❌

✅

(via SAP/custom)

✅

❌