# Red Sheet vs The Letter Trace

The clearest difference is review sentiment: Red Sheet at 78% against The Letter Trace's 26%. Red Sheet also leads on update cadence (every 3 days vs every 2 months) and rating (4.2 vs 4.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Red Sheet sells 7 in-app purchases, starting at $2.99 per month and The Letter Trace sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Red Sheet holds the better App Store score, 4.2 against 4.0. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews point the same way: 78% of Red Sheet's written reviews are positive against 26% of The Letter Trace's.

Red Sheet ships an update every 3 days, The Letter Trace every 2 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Red Sheet | The Letter Trace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/red-sheet-pdf-study-app/id1580506756/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/the-letter-trace/id6503187351/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | **77.8% of reviews** | 26.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 193 MB | 55 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Foodmenu.world Inc.](https://appshunter.io/developer/1438351063) | [Vida Apps Incorporated](https://appshunter.io/developer/1580682451) |

## 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 |


### The Letter Trace

[App page](https://appshunter.io/ios/app/the-letter-trace/id6503187351)

Practice neat handwriting by tracing glowing letters on your phone screen. Choose fonts, adjust spacing, and even customize colors. Ideal for improving penmanship on cards, letters, and gift envelopes.

**Highlights:** Trace glowing letters on paper, Adjustable letter and line spacing, Wide range of font styles, Customizable background and text colors, Left-handed mode, Vertical and horizontal writing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan - 1 Month | $2.99 | per month |
| Premium Plan - 1 Year | $24.99 | per year |


## Frequently asked questions

### Is Red Sheet free?

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

### Is The Letter Trace free?

The Letter Trace is free to download, with in-app purchases available.

### Which has better reviews, Red Sheet or The Letter Trace?

Red Sheet is rated higher. Red Sheet averages 4.2 out of 5 from 5 ratings, while The Letter Trace averages 4.0 from 4 ratings.

### Do Red Sheet or The Letter Trace have ads?

Both Red Sheet and The Letter Trace show ads.

### Which is updated more often, Red Sheet or The Letter Trace?

Red Sheet ships an update every 3 days, and The Letter Trace every 2 months. Most recently, Red Sheet was updated on November 7, 2026 and The Letter Trace on November 8, 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.*