# POTEcho vs EVK

The clearest difference is update cadence: EVK at every 3 days against POTEcho's every 2 weeks. POTEcho's advantage is iOS requirement (13.0 vs 15.0). 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.

POTEcho ships an update every 2 weeks, EVK every 3 days. The most recent releases landed on October 27, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | POTEcho | EVK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 96 MB | 72 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CoreTechs Solutions Informatikai Szolgaltato es Tanacsado Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1663244451) | [EVK Szakkollégium](https://appshunter.io/developer/1882463835) |

## What reviewers say

### POTEcho

[App page](https://appshunter.io/ios/app/potecho/id1663244449)

**Features:** macOS Compatibility

**In-app purchases:** none


### EVK

[App page](https://appshunter.io/ios/app/evk/id6760043012)

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

**In-app purchases:** none


## Frequently asked questions

### Is POTEcho free?

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

### Is EVK free?

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

### Do POTEcho or EVK have ads?

Neither POTEcho nor EVK shows ads.

### Which is updated more often, POTEcho or EVK?

POTEcho ships an update every 2 weeks, and EVK every 3 days. Most recently, POTEcho was updated on October 27, 2026 and EVK 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.*