# LangCat vs TapLex

The clearest difference is rating: TapLex at 5.0 against LangCat's 3.7. LangCat's advantage is update cadence (every 2 days vs every 8 days) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. LangCat sells 1 one-off in-app purchase and TapLex sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

TapLex holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

LangCat ships an update every 2 days, TapLex every 8 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LangCat | TapLex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/langcat/id6740651240/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/taplexai-assisted-epub-reader/id6759231609/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 8 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 1 MB | 35 MB |
| Requires iOS | 18.0 | **17** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [UNI HQ LLC](https://appshunter.io/developer/1790962011) | [伟 胡](https://appshunter.io/developer/1809730195) |

## What reviewers say

### LangCat

[App page](https://appshunter.io/ios/app/langcat/id6740651240)

Translate any text on your screen instantly by taking a screenshot. The app seamlessly integrates translated text inline, maintaining the original style. Enjoy private, offline translations for social media, travel apps, and comics.

**Highlights:** Instant inline translation via screenshots, Supports 16+ languages, 100% offline and private translation, Preserves original text style, Share translated content easily

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LangCat Plus | $5.99 | one-time |


### TapLex

[App page](https://appshunter.io/ios/app/taplexai-assisted-epub-reader/id6759231609)

This app uses AI to help you understand foreign language books. It provides contextual definitions, breaks down complex sentences, and saves new vocabulary for review. Enjoy a personalized reading experience with adjustable layouts and offline access.

**Highlights:** AI contextual word definitions, Grammatical sentence breakdown, Smart vocabulary builder, EPUB format support, Offline reading, Customizable reading layout, Cross-device sync (Premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TapLex Premium 1 Month | $2.99 | per month |
| TapLex Premium 12 Months | $19.99 | per year |


## Frequently asked questions

### Is LangCat free?

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

### Is TapLex free?

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

### Which has better reviews, LangCat or TapLex?

TapLex is rated higher. LangCat averages 3.7 out of 5 from 3 ratings, while TapLex averages 5.0 from 1 ratings.

### Do LangCat or TapLex have ads?

Neither LangCat nor TapLex shows ads.

### Which is updated more often, LangCat or TapLex?

LangCat ships an update every 2 days, and TapLex every 8 days. Most recently, LangCat was updated on November 4, 2026 and TapLex on October 31, 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.*