# MemoryPlanet vs AI Study Sheet

The clearest difference is in-app purchases: MemoryPlanet at none against AI Study Sheet's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AI Study Sheet sells 1 one-off in-app purchase. MemoryPlanet asks for nothing beyond the download.

MemoryPlanet ships an update every 2 days, AI Study Sheet every 4 days. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | MemoryPlanet | AI Study Sheet |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 9 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [业顷 蓝](https://appshunter.io/developer/6773348134) | [Masaki Iino](https://appshunter.io/developer/6778272211) |

## What reviewers say

### MemoryPlanet

[App page](https://appshunter.io/ios/app/memoryplanet-flashcards/id6773370158)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### AI Study Sheet

[App page](https://appshunter.io/ios/app/ai-study-sheet-flashcards/id6782023263)

Transform your study materials into interactive flashcards without retyping. This app uses AI to hide key terms in photos and PDFs, helping you memorize information for exams and courses. It offers customizable study modes and personalized review recommendations.

**Highlights:** AI-powered term masking, Import from photos and PDFs, Customizable study modes, Personalized review recommendations, Organize with folders and search, Share editable study materials, On-device AI processing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Saves | $4.99 | one-time |


## Frequently asked questions

### Is MemoryPlanet free?

MemoryPlanet is free to download, with no in-app purchases.

### Is AI Study Sheet free?

AI Study Sheet is free to download, with in-app purchases available.

### Do MemoryPlanet or AI Study Sheet have ads?

Neither MemoryPlanet nor AI Study Sheet shows ads.

### Which is updated more often, MemoryPlanet or AI Study Sheet?

MemoryPlanet ships an update every 2 days, and AI Study Sheet every 4 days. Most recently, MemoryPlanet was updated on October 31, 2026 and AI Study Sheet on November 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*