# Red Sheet vs RedSheetCamera

The clearest difference is review sentiment: Red Sheet at 80% against RedSheetCamera's 43%. Red Sheet also leads on update cadence (every 3 days vs every 15 months) and device support (4 vs 1). RedSheetCamera's advantage is ads (none vs shown). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. Red Sheet sells 7 in-app purchases, starting at $2.99 per month and RedSheetCamera sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Red Sheet ships an update every 3 days, RedSheetCamera every 15 months. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Red Sheet | RedSheetCamera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/red-sheet-pdf-study-app/id1580506756/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **80.0% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 15 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 193 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Foodmenu.world Inc.](https://appshunter.io/developer/1438351063) | [taishin miyamoto](https://appshunter.io/developer/1570395608) |

## What reviewers say

### Red Sheet

[App page](https://appshunter.io/ios/app/red-sheet-pdf-study-app/id1580506756)

Create and study flashcards from your PDFs, notes, and images. This app lets you hide and reveal text to transform study materials into interactive flashcards for faster memorization. Supports various import options and flexible study tools.

**Highlights:** Create flashcards from PDFs, Import from note apps and cloud storage, Hide and reveal text for study, Create flashcards from photos and images, Vocabulary and word list flashcards, One-tap show/hide for quick review

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Special plan | $2.99 | per month |
| Monthly Super Saver Plan | $2.99 | per month |
| Monthly Value Plan | $3.99 | per month |
| Basic Plan | $5.99 | per month |
| 3 Month Plan - V 3.1.5 needed | $9.99 | per 3 months |
| Half year plan (Sale) | $17.99 | per 6 months |
| Half year plan - V2.9.0 needed | $22.99 | per 6 months |


### RedSheetCamera

[App page](https://appshunter.io/ios/app/redsheetcamera/id6451382182)

This study support app uses your camera to hide key information in your notes or textbooks. It then facilitates active recall practice to strengthen retention for exams, language learning, and certifications.

**Highlights:** Camera-based review of learning material, Adjustable information visibility, Uninterrupted study flow with simple controls, Supports consistent daily review, Active recall practice

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RedSheetCamera - Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Red Sheet free?

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

### Is RedSheetCamera free?

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

### Do Red Sheet or RedSheetCamera have ads?

Red Sheet shows ads; RedSheetCamera does not.

### Which is updated more often, Red Sheet or RedSheetCamera?

Red Sheet ships an update every 3 days, and RedSheetCamera every 15 months. Most recently, Red Sheet was updated on September 22, 2026 and RedSheetCamera on September 10, 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.*