# ADÜ OBiS vs Obigenc

The clearest difference is update cadence: Obigenc at every 2 weeks against ADÜ OBiS's every 21 months. Obigenc also leads on device support. ADÜ OBiS's advantage is iOS requirement (12.2 vs 15.0). On price 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.

ADÜ OBiS ships an update every 21 months, Obigenc every 2 weeks. The most recent releases landed on October 1, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ADÜ OBiS | Obigenc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Size | 178 MB | 56 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AYDIN ADNAN MENDERES UNIVERSITESI](https://appshunter.io/developer/1746896141) | [TÜRK EĞİTİM VAKFI](https://appshunter.io/developer/1463925239) |

## What reviewers say

### ADÜ OBiS

[App page](https://appshunter.io/ios/app/adu-obis/id6502826480)

**In-app purchases:** none


### Obigenc

[App page](https://appshunter.io/ios/app/obigenc/id6575386702)

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

**In-app purchases:** none


## Frequently asked questions

### Is ADÜ OBiS free?

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

### Is Obigenc free?

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

### Which is updated more often, ADÜ OBiS or Obigenc?

ADÜ OBiS ships an update every 21 months, and Obigenc every 2 weeks. Most recently, ADÜ OBiS was updated on October 1, 2026 and Obigenc on October 13, 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.*