# ZEN CAT vs TSA

The clearest difference is ads: TSA at none against ZEN CAT's shown. ZEN CAT's advantage is iOS requirement (13.0 vs 15.0). 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 every 2 months. The most recent releases landed on September 10, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | ZEN CAT | TSA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Size | 160 MB | 98 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Zen SA Industria Metalurgica](https://appshunter.io/developer/1458783498) | [TSA](https://appshunter.io/developer/1538431806) |

## What reviewers say

### ZEN CAT

[App page](https://appshunter.io/ios/app/zen-cat/id1292627092)

**Features:** macOS Compatibility

**In-app purchases:** none


### TSA

[App page](https://appshunter.io/ios/app/tsa/id1538431624)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZEN CAT free?

ZEN CAT is free to download, with no in-app purchases.

### Is TSA free?

TSA is free to download, with no in-app purchases.

### Do ZEN CAT or TSA have ads?

ZEN CAT shows ads; TSA does not.

### Which is updated more often, ZEN CAT or TSA?

ZEN CAT ships an update every 2 months, and TSA every 2 months. Most recently, ZEN CAT was updated on September 10, 2026 and TSA on July 17, 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.*