# WordMasking Lite vs Red Sheet

The clearest difference is rating: WordMasking Lite at 4.8 against Red Sheet's 4.2. Red Sheet's advantage is update cadence (every 3 days vs fortnightly). On price, review sentiment, ratings volume and ads there is nothing between them.

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

WordMasking Lite holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews complicate that: 72% of WordMasking Lite's written reviews are positive against 78% of Red Sheet's, so the app with the better star average is not the one people write more warmly about.

WordMasking Lite ships an update fortnightly, Red Sheet every 3 days. Both last shipped on October 20, 2026.

## The numbers

| Metric | WordMasking Lite | Red Sheet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/wordmasking-lite/id1490696822/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/red-sheet-pdf-study-app/id1580506756/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | 72.2% of reviews | **77.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 193 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Akira Takahashi](https://appshunter.io/developer/391327047) | [Foodmenu.world Inc.](https://appshunter.io/developer/1438351063) |

## What reviewers say

### WordMasking Lite

[App page](https://appshunter.io/ios/app/wordmasking-lite/id1490696822)

This app helps you memorize words and sentences by masking them with drawing lines. It supports various file imports, including images and PDFs, and offers features like automatic adjustment and batch masking. Results are recorded and editable, with support for both iPhone and iPad.

**Highlights:** Masking words/sentences with drawing lines, Image and PDF file import, Color-coded masking line based on accuracy, Automatic adjustment for PDF masking, Batch masking via search function, Result recording and editing, Folder-based book management

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove advertisements | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is WordMasking Lite free?

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

### Is Red Sheet free?

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

### Which has better reviews, WordMasking Lite or Red Sheet?

WordMasking Lite is rated higher. WordMasking Lite averages 4.8 out of 5 from 6 ratings, while Red Sheet averages 4.2 from 5 ratings.

### Do WordMasking Lite or Red Sheet have ads?

Both WordMasking Lite and Red Sheet show ads.

### Which is updated more often, WordMasking Lite or Red Sheet?

WordMasking Lite ships an update fortnightly, and Red Sheet every 3 days. Most recently, WordMasking Lite was updated on October 20, 2026 and Red Sheet on October 20, 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.*