# Grafen vs Dertli

The clearest difference is iOS requirement: Grafen at 13.4 against Dertli's 17.0. 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.

Grafen ships an update monthly, Dertli every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Grafen | Dertli |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Size | 188 MB | 16 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [MERPA BILGI ISLEM LIMITED SIRKETI](https://appshunter.io/developer/1199920818) | [Burak Secer](https://appshunter.io/developer/1876553935) |

## What reviewers say

### Grafen

[App page](https://appshunter.io/ios/app/grafen/id1572798608)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Dertli

[App page](https://appshunter.io/ios/app/dertli/id6759053286)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grafen free?

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

### Is Dertli free?

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

### Do Grafen or Dertli have ads?

Both Grafen and Dertli show ads.

### Which is updated more often, Grafen or Dertli?

Grafen ships an update monthly, and Dertli every 2 months. Most recently, Grafen was updated on October 27, 2026 and Dertli on October 28, 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.*