# Dayanışma ODTÜ'lüler vs Alpsys

The clearest difference is iOS requirement: Dayanışma ODTÜ'lüler at 13.0 against Alpsys's 15.6. 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.

Dayanışma ODTÜ'lüler ships an update every 6 weeks, Alpsys every 5 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Dayanışma ODTÜ'lüler | Alpsys |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 85 MB | 78 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [ApplyCoder GmbH](https://appshunter.io/developer/1820510519) | [ApplyCoder GmbH](https://appshunter.io/developer/1820510519) |

## What reviewers say

### Dayanışma ODTÜ'lüler

[App page](https://appshunter.io/ios/app/dayansma-odtululer/id6464329599)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alpsys

[App page](https://appshunter.io/ios/app/alpsys/id6741896798)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dayanışma ODTÜ'lüler free?

Dayanışma ODTÜ'lüler is free to download, with no in-app purchases.

### Is Alpsys free?

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

### Do Dayanışma ODTÜ'lüler or Alpsys have ads?

Neither Dayanışma ODTÜ'lüler nor Alpsys shows ads.

### Which is updated more often, Dayanışma ODTÜ'lüler or Alpsys?

Dayanışma ODTÜ'lüler ships an update every 6 weeks, and Alpsys every 5 weeks. Most recently, Dayanışma ODTÜ'lüler was updated on November 3, 2026 and Alpsys on October 30, 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.*