Cross Platform App Backend
The best 50 Cross Platform App Backend AI tools - Free & Paid
Explore 50 AI for Cross Platform App Backend
Convex is a TypeScript backend platform that syncs app data in real time across frontend, backend, and database. It offers authentication, cron jobs, AI code generation, modular components, and integrates with React, Next.js, Remix, Vue, and Svelte, a developer portal.
Freemium
FlutterFlow is a visual development platform that lets users build mobile and web apps quickly with drag‑and‑drop UI components, a visual logic editor, and native integrations with Firebase, Supabase, and REST APIs. It supports testing and code export for deployment.
Free
OnSpace.AI is a no-code AI app builder for creating cross-platform mobile apps with photorealistic designs and real-time previews. It offers backend integration, GitHub exports, and monetization via Stripe, all through an intuitive interface.
Freemium
- $20/mo
AI App Builder turns plain‑language app ideas into functional web prototypes. Drop screenshots, iterate design and code in real time, then deploy instantly. Built‑in templates cover portfolios, e‑commerce, and events, with export, hosting, and version‑control integration.
Freemium
ClawCloud Run is a cloud-native platform that simplifies application development and management with a visual canvas, enabling low-code deployment and multi-database support. It offers template stores, automated environments, and a unified interface for seamless testing and production workflows.
Free trial
AppFlowy unifies projects, wikis, and team collaboration across devices, offering AI assistants for writing, Q&A, and database insights. It runs local models for privacy, supports custom views, cross‑platform use, Zapier integration, open‑source plugins, and self‑hosting.
Free
Dashwave is a cloud-based platform for mobile app development that streamlines the process with one-click workspaces, collaborative emulators, and accelerated builds. It offers pre-built templates and an ROI calculator while prioritizing user privacy and security.
Free trial
CodeConductor is a no‑code AI platform that turns plain‑English prompts into complete web and mobile apps, automatically generating front‑end, back‑end, APIs, databases, and authentication with built‑in security, CI/CD, and cloud deployment options.
Freemium
MarsX is an open‑source web IDE that blends AI, NoCode, and full‑stack coding. It supplies a micro‑app library for marketplaces, social networks, NFTs, streaming, and photo sharing, enabling rapid app assembly with minimal code, Git control, and GDPR‑compliant data ownership.
Freemium
Emergent is a platform for building full-stack web and mobile applications with AI features, enabling rapid development with a user-friendly interface, customizable templates, and support for various programming languages, suitable for both small and enterprise-level projects.
Subscription
AppForceStudio is an AI‑driven platform that lets users design, build, and deploy iOS, Android, and web apps through a canvas with drag‑and‑drop and real‑time code generation. It supports real‑time collaboration, design‑system consistency, and instant deployment for developers, designers, and agenci
Freemium
Dyad is an open-source AI app builder that enables local development with popular AI models via API integration. It supports existing IDEs and includes Supabase for authentication and database management, enhancing privacy and real-time feedback.
Freemium
Coddy.Tech offers free interactive coding lessons across many languages and AI prompt engineering, featuring an in‑browser editor, streak tracking, achievements, AI debugging, a community leaderboard, and certificates for LinkedIn. It runs on iOS, Android, and web.
Free
Line0 automates backend development by generating production-ready services from natural-language descriptions, offering an in-browser editor with feature-specific chats, two-way GitHub sync, live API client with hot-reload and database preview, and built-in testing workflows.
Freemium
Superapp generates production-ready native Swift iPhone apps from plain-English descriptions, using AI to design screens, assemble Swift code, and guide App Store publishing—enabling non-developers to build prototypes, MVPs, and native App Store releases without manual coding.
Subscription
- $25/mo
Open SaaS is an open-source framework for building scalable applications with React and Node.js, offering features like pre-configured authentication, payment integrations, TypeScript support, an admin dashboard, and easy deployment without vendor lock-in.
Free
Firebase Studio is a comprehensive AI workspace for developing backends, front ends, and mobile apps. It offers app prototyping, coding assistance, and deployment tools, and integrates seamlessly with version control platforms like GitHub and GitLab.
Freemium
OpenCode.ai is an open-source AI coding agent that runs directly in your terminal, IDE, or desktop. It connects to 75+ LLM providers, supports offline use, and enables multi-session collaboration for code review and debugging.
Free
Softgen transforms natural‑language specs into Next.js apps, integrating Supabase, Vercel, and GitHub for database, deployment, and version control. It supports multiple AI models and one‑click payment, email, and analytics services, while preserving code ownership and standard workflows.
Paid
AskCodi accelerates backend and frontend development by generating REST/GraphQL APIs, UI components, and production‑ready agents. It offers an AI gateway, IDE/CLI integration, and a marketplace for ready‑to‑run templates, cutting boilerplate and speeding prototyping.
Freemium
- $20/mo
CodeAI turns plain‑English app concepts into editable code for frameworks like Next.js, auto‑generating components, routing, and deployment scripts. It integrates with GitHub and offers one‑click hosting on Vercel, Netlify, and Supabase, plus a template library.
Freemium
- $12/mo
CanopyCode delivers end‑to‑end software development, cloud migration, and IT consulting for mid‑size enterprises, building full‑stack web and mobile applications with modern frameworks, deploying on AWS/Azure, ensuring GDPR compliance, secure coding, and green IT practices.
Freemium
Lovable is an AI-powered tool that transforms ideas into functional applications without coding, acting as a superhuman full-stack engineer.
Freemium
Replit is a collaborative browser-based IDE with AI-powered tools for software development, real-time multiplayer editing and deployment, templates and tutorials, and hosting and monetization options.
Subscription
OpenRouter gives one API key to access 300+ models from 60+ providers, SDK‑compatible, with visual routing, automated fall‑back, edge hosting, data‑policy controls, and agentic tools for building efficient autonomous workflows.
Freemium
Claude Code Boilerplate delivers production‑ready templates for multiple frameworks, pre‑configured server setups, custom linting/testing hooks, automated GitHub Actions, and a prompt library, streamlining API scaffolding, database migrations, and deployment workflows.
Paid
Dynobase is a cross‑platform GUI for AWS DynamoDB that uses existing CLI profiles. It lets you view/edit JSON items, build queries with auto‑selection and PartiQL, run JS on results, generate SDK code, and import/export CSV/JSON, supporting offline use.
Free trial
AINIRO Magic Cloud is an open‑source low‑code platform that turns plain‑English commands into full‑stack apps, APIs, and AI agents. It auto‑generates backend logic, UI, database schemas, and secure authentication, running locally via Docker or self‑hosted.
Paid
Digital Software Labs delivers end‑to‑end development for mobile, web, and enterprise apps, including native, cross‑platform, AI‑powered solutions and cloud architecture. It offers team augmentation, API engineering, industry‑specific modules, and a structured pipeline from discovery to maintenance.
Freemium
Floot is a no-code platform enabling entrepreneurs to create web applications without coding skills. It integrates project management, hosting, and database management, offering features like quick hosting, personalized support, and full code ownership for seamless app development.
Free trial
Lingvanex delivers on‑premise machine translation and speech‑to‑text for over 100 languages, with APIs, SDKs, desktop and mobile apps, enabling secure, offline multilingual content processing, summarization, and data anonymization for business intelligence and compliance.
Freemium
Bravo Studio integrates seamlessly with Figma for efficient app prototyping, offering APIs, add-ons, and real-time iteration. Create mobile apps with lifelike features like haptic feedback and streamline development with stress-free publishing.
Free trial
- $20
Full Stack AI is an AI‑driven CLI that generates fully configured Next.js applications from a text prompt, automatically adding TypeScript, Tailwind, Prisma/PostgreSQL, tRPC, authentication, Stripe, and Resend. Run with `npx fsai gen` and deploy locally or to your host.
Freemium
Rapidnative is an AI-driven code generator for mobile apps using React Native and Expo. It enables users to create visual prototypes from plain English prompts, producing production-ready code while facilitating team collaboration and real-time modifications.
Free trial
ShipAppFast bundles core Swift modules—social login, StoreKit 2 payments, paywalls, onboarding, analytics, AI chat, A/B testing—plus a GameKit/SpriteKit layer. It cuts boilerplate, speeds development, and lets teams focus on core features.
Paid
SmythOS is an open‑source Agent Operating System that manages the AI agent lifecycle—from design to production—via visual studio, SDK, CLI, and secure sandboxed runtime. It supports multi‑platform deployment, orchestration, and enterprise‑grade security.
Free
- $3.25/mo
Remotebase connects businesses with pre‑vetted software developers worldwide. It collects project requirements, matches with verified candidates, and facilitates direct interviews, supporting rapid scaling for roles like Python, JavaScript, React, Flutter, DevOps, and UI design.
Freemium
StartKit.AI delivers a ready‑to‑deploy AI SaaS boilerplate with built‑in authentication, payment, and email, auto‑switching among OpenAI, Anthropic, Groq, and Llama, a React demo featuring chat, PDF query, image, knowledge base, and custom models, plus vector DB and RAG support.
Paid
SaaS Boilerplates offers a curated directory of 120+ SaaS starter kits organized by technology stack and feature set, allowing developers to quickly find templates for subscription billing, multi‑tenant setups, authentication, and Stripe integration.
Free