Comparison

OnSpace AI vs AI App Builder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OnSpace AI

Build powerful AI-driven mobile applications in minutes without any coding. Describe your app idea, and the platform handles UI, logic, data, and deployment for iOS and Web.

Highlights
  • No coding required
  • AI-powered app generation
  • Native UI/UX
  • Cross-platform development (iOS)
  • User authentication
  • Secure backend endpoint
  • App store distribution
Features
Read full description

OnSpace AI – Build powerful AI apps in minutes. No coding needed. Turn your ideas into powerful AI apps in minutes—no coding needed! OnSpace AI’s free, no-code platform lets you create custom AI applications effortlessly. Just describe your vision, and our agentic AI handles the rest—UI, logic, data, and deployment across iOS and Web. Why OnSpace AI - Zero Coding Required – Anyone can build - Fast & Easy – From idea to app in minutes - AI-Powered – Smart automation does the work - Fully Customizable – Tailor apps to your needs - Cross-platform native UX – Smooth on iOS Key Capabilities - Native UI/UX – Polished, responsive interfaces - Cross-platform Development – iOS support - User Authentication – Email/OTP/social login - Secure Backend Endpoint – API key–protected (e.g., Claude) - App Store Distribution – Publish to Apple App Store - Custom Domain Publishing – Publish to your own domain (Developing) Powered by Spaces (Alpha) – Instant Serverless Backend Spaces is OnSpace’s built-in backend that gives you a production-ready stack with zero setup: - Instant setup and zero maintenance - Managed PostgreSQL with Row Level Security and real-time sync - File Storage for images and documents with automatic optimization - Edge Functions for custom business logic and secure APIs - Visual Dashboard for data operations, user management, and monitoring - Familiar APIs/SDKs (Supabase-like) with full TypeScript support Get started Download now and start creating AI apps for free! Support and Policies For help Email: contact@onspace.ai Privacy Policy: https://auth.onspace.ai/privacy-policy Terms of Use: https://auth.onspace.ai/terms-of-use

About

AI App Builder

Effortlessly design Flutter app interfaces by describing your vision. This AI-powered tool generates app screens instantly, allowing for visual customization and real-time previews. Export production-ready code without any coding.

Highlights
  • Generate app UI with AI
  • Visual drag-and-drop editor
  • Real-time preview
  • Pre-made templates
  • API integration
  • Export Flutter code
Features
Read full description

Build real Flutter apps in minutes by describing what you want. Turn your ideas into fully designed app screens using AI. No coding, no setup, no delays. Just type your idea and watch it come to life instantly. FlutterPilot makes app creation fast and effortless. Start from a prompt or template, customize everything with a simple drag-and-drop editor, and preview your app in real time. When you are ready, export clean production-ready Flutter code. Whether you are building your first app or speeding up your workflow, FlutterPilot helps you go from idea to UI to code faster than ever. Why FlutterPilot? Generate app UI instantly with AI Edit visually with an intuitive drag-and-drop builder See every change live with real-time preview Start faster with ready-made templates Integrate APIs without complexity Export full Flutter code ready for production Build from anywhere using phone or desktop Stop spending hours on UI. Build, test, and ship faster with FlutterPilot.

Screenshots

OnSpace AI4 screens
AI App Builder4 screens

Verdict

The call

The clearest difference is rating: AI App Builder at 4.1 against OnSpace AI's 3.2. OnSpace AI's advantage is ads (none vs shown) and update cadence (every 2 days vs every 9 days). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OnSpace AI sells 10 in-app purchases, starting at $19.99 per month and AI App Builder sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

AI App Builder holds the better App Store score, 4.1 against 3.2. Both are backed by a comparable volume of ratings — 30 and 16 respectively. Written reviews point the same way: 38% of OnSpace AI's written reviews are positive against 40% of AI App Builder's.

UpkeepUpdate frequency

OnSpace AI ships an update every 2 days, AI App Builder every 9 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 7 level
OnSpace AI versus AI App Builder: the parameters behind the verdict, then further details
ParameterOnSpace AIAI App Builder
PriceFreeFree
Rating3.2 (30 ratings)4.1 (16 ratings) — better
Positive reviews37.5% of reviews40.0% of reviews — better
Number of ratings30 — better16
Update frequencyEvery 2 days — betterEvery 9 days
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#23 — better#101
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size238 MB114 MB
Age rating4+4+
DeveloperSoulZ AI Inc.Abrar Malekji

Customer experience

OnSpace AI

All ratings27 ratings
Positive59.3%
Neutral0.0%
Negative40.7%
Written reviews24 reviews
Positive37.5%
Neutral0.0%
Negative62.5%

AI App Builder

All ratings16 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

In-app purchases

10 purchases

OnSpace AI

Subscriptions6
  • OnSpace Monthly Access$19.991 Month
  • OnSpace Monthly Access3 Days trial$24.991 Month
  • OnSpace Monthly Access$24.991 Month
Show 3 more
  • OnSpace Monthly Access$49.991 Month
  • OnSpace Annual Access$204.991 Year
  • OnSpace Annual Access$509.991 Year
One-time4
  • 6000 Credits$19.99
  • 12000 Credits$35.99
  • 24000 Credits$71.99
Show 1 more
  • 30000 Credits$99.99
3 purchases

AI App Builder

One-time3
  • 50 Credits$2.79
  • 150 Credits$6.39
  • 500 Credits$14.90

Questions

Is OnSpace AI free?
OnSpace AI is free to download, with in-app purchases available.
Is AI App Builder free?
AI App Builder is free to download, with in-app purchases available.
Which has better reviews, OnSpace AI or AI App Builder?
AI App Builder is rated higher. OnSpace AI averages 3.2 out of 5 from 30 ratings, while AI App Builder averages 4.1 from 16 ratings.
Do OnSpace AI or AI App Builder have ads?
AI App Builder shows ads; OnSpace AI does not.
Which is updated more often, OnSpace AI or AI App Builder?
OnSpace AI ships an update every 2 days, and AI App Builder every 9 days. Most recently, OnSpace AI was updated on November 5, 2026 and AI App Builder on October 31, 2026.
Which is more popular, OnSpace AI or AI App Builder?
OnSpace AI currently peaks at #23 in the App Store charts, and AI App Builder at #101. Chart position reflects recent download velocity rather than total install base.

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