Comparison

OnSpace AI vs App Memo

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

App Memo

Features
Read full description

Turn a rough sketch into a clean AI wireframe in seconds. Capture app ideas, plan every screen, write the spec, and brainstorm with on-device AI — AppMemo holds every step from spark to technical specification in one place. Stop losing brilliant ideas. AppMemo helps you organize every detail from the initial spark to a complete technical specification. KEY FEATURES • AI-Powered Chat — Brainstorm with AI to refine your ideas, get feature suggestions, and explore new directions • On-Device AI — Faster, more private brainstorming powered by on-device models • Sketch → AI Mockup — Turn hand-drawn sketches into real screen wireframes with AI • Screen Planning — Define app screens and auto-generate wireframe previews to visualize your concept • Technical Requirements — Create detailed TRD documents in Markdown to plan your development • AI Icon Generator — Generate professional app icon concepts powered by AI • File Management — Keep all attachments related to an idea organized in one place • Floating Action Menu — Launch AI chat, add screens, or generate icons from anywhere in the editor • Share Extension — Save ideas directly from any app by sharing text • Home Widget — Quick access to projects and quick memo widget right from your Home Screen • Siri Shortcuts — Launch quick memo and new ideas from Spotlight • Smart Organization — Search, filter, sort, and switch between grid and list views with an Apple Notes-like experience • Backup & Sync — iCloud sync keeps your ideas across devices, plus ZIP export/restore for full backups HOW IT WORKS 1. Capture your app idea with a name and description 2. Chat with AI to brainstorm features and refine your concept 3. Sketch screens by hand and let AI turn them into wireframes 4. Plan screens, generate wireframes, and build your technical spec 5. Export everything when you're ready to start building Whether you're a solo developer with side project ideas or a product team brainstorming the next big thing, AppMemo turns scattered thoughts into structured, actionable plans. Download AppMemo today and never lose an app idea again.

Screenshots

OnSpace AI4 screens
App Memo3 screens

Verdict

The call

The clearest difference is in-app purchases: App Memo at none against OnSpace AI's 10. OnSpace AI's advantage is update cadence (every 2 days vs every 9 days) and chart position (#15 vs unranked). On price, ads and device support 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. App Memo asks for nothing beyond the download.

UpkeepUpdate frequency

OnSpace AI ships an update every 2 days, App Memo every 9 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 7 level
OnSpace AI versus App Memo: the parameters behind the verdict, then further details
ParameterOnSpace AIApp Memo
PriceFreeFree
Rating3.2 (31 ratings) — better—
Positive reviews37.5% of reviews—
Number of ratings31 — better—
Update frequencyEvery 2 days — betterEvery 9 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#15 — better—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better26.0
Further details — not scored
Size238 MB17 MB
Age rating4+4+
DeveloperSoulZ AI Inc.heewook shin

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
None

App Memo

No in-app purchases

Questions

Is OnSpace AI free?
OnSpace AI is free to download, with in-app purchases available.
Is App Memo free?
App Memo is free to download, with no in-app purchases.
Do OnSpace AI or App Memo have ads?
Neither OnSpace AI nor App Memo shows ads.
Which is updated more often, OnSpace AI or App Memo?
OnSpace AI ships an update every 2 days, and App Memo every 9 days. Most recently, OnSpace AI was updated on November 8, 2026 and App Memo on November 5, 2026.

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