# ARK4UTH vs eTax CD

The clearest difference is update cadence: ARK4UTH at every 4 weeks against eTax CD's every 4 months. ARK4UTH also leads on iOS requirement (13.0 vs 15.1). On price, ads, 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.

ARK4UTH ships an update every 4 weeks, eTax CD every 4 months. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ARK4UTH | eTax CD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Size | 31 MB | 41 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Arksoft](https://appshunter.io/developer/1492981286) | [Christian Rusipa](https://appshunter.io/developer/1767149113) |

## What reviewers say

### ARK4UTH

[App page](https://appshunter.io/ios/app/ark4uth/id6648787305)

**Features:** macOS Compatibility

**In-app purchases:** none


### eTax CD

[App page](https://appshunter.io/ios/app/etax-cd/id6755712562)

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

**In-app purchases:** none


## Frequently asked questions

### Is ARK4UTH free?

ARK4UTH is free to download, with no in-app purchases.

### Is eTax CD free?

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

### Do ARK4UTH or eTax CD have ads?

Neither ARK4UTH nor eTax CD shows ads.

### Which is updated more often, ARK4UTH or eTax CD?

ARK4UTH ships an update every 4 weeks, and eTax CD every 4 months. Most recently, ARK4UTH was updated on September 11, 2026 and eTax CD on September 10, 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.*