# AI Study Sheet vs Red Sheet Camera

The clearest difference is ads: AI Study Sheet at none against Red Sheet Camera's shown. On price, update cadence, 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 Red Sheet Camera sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI Study Sheet ships an update every 3 days, Red Sheet Camera every 6 days. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | AI Study Sheet | Red Sheet Camera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 6 days |
| Size | 5 MB | 16 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Masaki Iino](https://appshunter.io/developer/6778272211) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### AI Study Sheet

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

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

**In-app purchases (1)**

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


### Red Sheet Camera

[App page](https://appshunter.io/ios/app/red-sheet-camera-study-notes/id6790114724)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を削除 | $2.99 | one-time |


## Frequently asked questions

### Is AI Study Sheet free?

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

### Is Red Sheet Camera free?

Red Sheet Camera is free to download, with in-app purchases available.

### Do AI Study Sheet or Red Sheet Camera have ads?

Red Sheet Camera shows ads; AI Study Sheet does not.

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

AI Study Sheet ships an update every 3 days, and Red Sheet Camera every 6 days. Most recently, AI Study Sheet was updated on September 28, 2026 and Red Sheet Camera on September 18, 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.*