# AI Study Sheet vs Peek

The clearest difference is update cadence: AI Study Sheet at every 4 days against Peek's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Study Sheet sells 1 one-off in-app purchase and Peek sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

AI Study Sheet ships an update every 4 days, Peek fortnightly. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | AI Study Sheet | Peek |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 3 MB |
| Requires iOS | **16.0** | 17.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Iino](https://appshunter.io/developer/6778272211) | [美晨 丁](https://appshunter.io/developer/6780413715) |

## What reviewers say

### AI Study Sheet

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

Transform existing study materials into active-recall quizzes with AI. Snap photos or import PDFs, and the app automatically masks key terms for spaced repetition. Review materials with an auto-reveal mode that adapts to your learning behavior.

**Highlights:** Import photos and PDFs, Automatic AI masking of key terms, Review reminders, Auto Study Mode with sequential reveal, Adaptive learning based on study behavior, Organized study material library, Flexible material viewing and editing

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

**In-app purchases (1)**

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


### Peek

[App page](https://appshunter.io/ios/app/peek/id6782969323)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级版（包月） | $0.99 | per month |
| 高级版（包年） | $2.99 | per year |
| 高级版（永久解锁） | $3.99 | one-time |


## Frequently asked questions

### Is AI Study Sheet free?

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

### Is Peek free?

Peek is free to download, with in-app purchases available.

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

Neither AI Study Sheet nor Peek shows ads.

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

AI Study Sheet ships an update every 4 days, and Peek fortnightly. Most recently, AI Study Sheet was updated on October 24, 2026 and Peek on October 9, 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.*