# IAAF ONLINE vs Dert

The clearest difference is in-app purchases: Dert at none against IAAF ONLINE's 5. IAAF ONLINE's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. IAAF ONLINE sells 5 in-app purchases, starting at $27.00 per month. Dert asks for nothing beyond the download.

IAAF ONLINE ships an update every 8 days, Dert fortnightly. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | IAAF ONLINE | Dert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Fortnightly |
| Size | 43 MB | 83 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [DEMOS ULUSLARARASI FUARCILIK ANONIM SIRKETI](https://appshunter.io/developer/1811568136) | [Sule Duman](https://appshunter.io/developer/1817854767) |

## What reviewers say

### IAAF ONLINE

[App page](https://appshunter.io/ios/app/iaaf-online/id6745260847)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $27.00 | per month |
| Premium | $121.99 | per 6 months |
| Advanced | $200.00 | per year |
| Gallery Premium | $394.99 | per 6 months |
| Gallery Advanced | $579.00 | per year |


### Dert

[App page](https://appshunter.io/ios/app/dert/id6746682915)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IAAF ONLINE free?

IAAF ONLINE is free to download, with in-app purchases available.

### Is Dert free?

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

### Do IAAF ONLINE or Dert have ads?

Dert shows ads; IAAF ONLINE does not.

### Which is updated more often, IAAF ONLINE or Dert?

IAAF ONLINE ships an update every 8 days, and Dert fortnightly. Most recently, IAAF ONLINE was updated on October 25, 2026 and Dert 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.*