# ERVA ALTIN vs Sudem

The clearest difference is iOS requirement: ERVA ALTIN at 13.0 against Sudem's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ERVA ALTIN ships an update every 4 days, Sudem every 2 days. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ERVA ALTIN | Sudem |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 23 MB | 47 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [AIFA GLOBAL](https://appshunter.io/developer/1613485107) | [Ayse Kozanoglu](https://appshunter.io/developer/6773061682) |

## What reviewers say

### ERVA ALTIN

[App page](https://appshunter.io/ios/app/erva-altin/id6714465155)

**In-app purchases:** none


### Sudem

[App page](https://appshunter.io/ios/app/sudem/id6784295395)

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

**In-app purchases:** none


## Frequently asked questions

### Is ERVA ALTIN free?

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

### Is Sudem free?

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

### Do ERVA ALTIN or Sudem have ads?

Neither ERVA ALTIN nor Sudem shows ads.

### Which is updated more often, ERVA ALTIN or Sudem?

ERVA ALTIN ships an update every 4 days, and Sudem every 2 days. Most recently, ERVA ALTIN was updated on October 25, 2026 and Sudem on October 15, 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.*