# Cat Lang Translator vs First Rush Viewer

The clearest difference is ads: First Rush Viewer at none against Cat Lang Translator's shown. Cat Lang Translator's advantage is iOS requirement (15.8.3 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Cat Lang Translator | First Rush Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/first-rush-viewer/id6765779820/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | — | Free |
| Size | 36 MB | 3 MB |
| Requires iOS | **15.8.3** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [진규 한](https://appshunter.io/developer/1895596688) |

## What reviewers say

### Cat Lang Translator

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

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

**In-app purchases:** none


### First Rush Viewer

[App page](https://appshunter.io/ios/app/first-rush-viewer/id6765779820)

This free companion app allows directors, DPs, and crew to view live camera streams from a macOS application on the same network. Monitor up to four camera feeds with stream health feedback and screen recording protection.

**Highlights:** Live camera stream monitoring, Multi-camera support (up to 4), Stream health feedback, Bonjour network discovery, QR code pairing, View-only operation

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

**In-app purchases:** none


## Frequently asked questions

### Is Cat Lang Translator free?

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

### Is First Rush Viewer free?

First Rush Viewer is free to download, with no in-app purchases.

### Do Cat Lang Translator or First Rush Viewer have ads?

Cat Lang Translator shows ads; First Rush Viewer does not.

### Which is updated more often, Cat Lang Translator or First Rush Viewer?

Cat Lang Translator ships an update fortnightly, and First Rush Viewer fortnightly. Most recently, Cat Lang Translator was updated on November 12, 2026 and First Rush Viewer on November 9, 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.*