# UBIS vs ADÜ OBiS

The clearest difference is update cadence: UBIS at every 2 months against ADÜ OBiS's every 21 months. UBIS also leads on device support and iOS requirement (8.0 vs 12.2). 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.

UBIS ships an update every 2 months, ADÜ OBiS every 21 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | UBIS | ADÜ OBiS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 2 months** | Every 21 months |
| Size | 20 MB | 178 MB |
| Requires iOS | **8.0** | 12.2 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Istanbul Aydin University](https://appshunter.io/developer/428917902) | [AYDIN ADNAN MENDERES UNIVERSITESI](https://appshunter.io/developer/1746896141) |

## What reviewers say

### UBIS

[App page](https://appshunter.io/ios/app/ubis/id428917899)

**Features:** macOS Compatibility

**In-app purchases:** none


### ADÜ OBiS

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

**In-app purchases:** none


## Frequently asked questions

### Is UBIS free?

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

### Is ADÜ OBiS free?

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

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

UBIS ships an update every 2 months, and ADÜ OBiS every 21 months. Most recently, UBIS was updated on October 4, 2026 and ADÜ OBiS on October 1, 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.*