# 暗記シート＋ vs Red Sheet Camera

The clearest difference is in-app purchases: 暗記シート＋ at none against Red Sheet Camera's 1. 暗記シート＋ also leads on iOS requirement (13.0 vs 17.0). Red Sheet Camera's advantage is update cadence (every 6 days vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Red Sheet Camera sells 1 one-off in-app purchase. 暗記シート＋ asks for nothing beyond the download.

暗記シート＋ ships an update every 9 months, Red Sheet Camera every 6 days. The most recent releases landed on August 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | 暗記シート＋ | Red Sheet Camera |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 6 days** |
| Size | 32 MB | 16 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mirai Kuriyama](https://appshunter.io/developer/878843623) | [RAINBOW TREE LLC](https://appshunter.io/developer/1619997282) |

## What reviewers say

### 暗記シート＋

[App page](https://appshunter.io/ios/app/id1636262628)

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

**In-app purchases:** none


### 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 暗記シート＋ free?

暗記シート＋ is free to download, with no in-app purchases.

### Is Red Sheet Camera free?

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

### Do 暗記シート＋ or Red Sheet Camera have ads?

Both 暗記シート＋ and Red Sheet Camera show ads.

### Which is updated more often, 暗記シート＋ or Red Sheet Camera?

暗記シート＋ ships an update every 9 months, and Red Sheet Camera every 6 days. Most recently, 暗記シート＋ was updated on August 23, 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.*