# Cat Voice Library vs Cat Lang Translator

The clearest difference is in-app purchases: Cat Lang Translator at none against Cat Voice Library's 4. Cat Voice Library's advantage is ads (none vs shown) and update cadence (every 4 days vs fortnightly). On price and device support there is nothing between them.

Both are free to download. Cat Voice Library sells 2 one-off in-app purchases. Cat Lang Translator asks for nothing beyond the download.

Cat Voice Library ships an update every 4 days, Cat Lang Translator fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Cat Voice Library | Cat Lang Translator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/cat-voice-library/id6741472565/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 36 MB |
| Requires iOS | **12.0** | 15.8.3 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Rutang Internet Technology Co., Ltd.](https://appshunter.io/developer/1198120052) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Cat Voice Library

[App page](https://appshunter.io/ios/app/cat-voice-library/id6741472565)

This utility app simulates various cat vocalizations to interact with felines. It includes a knowledge base on cat communication and can be used to test a cat's reaction to different sounds. Engage with your pets or attract strays with a variety of meows.

**Highlights:** Cat sound simulation, Attract stray cats, Soothe stressed pets, Cat reaction testing, Cat raising knowledge base, Variety of cat vocalizations

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| unlock all voices | $0.99 | one-time |
| Donate One Dollar for Cat Food | $0.99 | one-time |


### Cat Lang Translator

[App page](https://appshunter.io/ios/app/cat-lang-translator/id6748277516)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cat Voice Library free?

Cat Voice Library is free to download, with in-app purchases available.

### Is Cat Lang Translator free?

Cat Lang Translator is free to download, with no in-app purchases.

### Do Cat Voice Library or Cat Lang Translator have ads?

Cat Lang Translator shows ads; Cat Voice Library does not.

### Which is updated more often, Cat Voice Library or Cat Lang Translator?

Cat Voice Library ships an update every 4 days, and Cat Lang Translator fortnightly. Most recently, Cat Voice Library was updated on November 4, 2026 and Cat Lang Translator on October 30, 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.*