# Define Ustası vs Eynfel

The clearest difference is in-app purchases: Define Ustası at none against Eynfel's 6. Define Ustası also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.4). Eynfel's advantage is update cadence (every 3 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Eynfel sells 6 one-off in-app purchases. Define Ustası asks for nothing beyond the download.

Define Ustası ships an update every 3 weeks, Eynfel every 3 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Define Ustası | Eynfel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 95 MB | 84 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Erinc Karatas](https://appshunter.io/developer/939272530) | [Caner Unal](https://appshunter.io/developer/6810406460) |

## What reviewers say

### Define Ustası

[App page](https://appshunter.io/ios/app/define-ustas/id6544797578)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eynfel

[App page](https://appshunter.io/ios/app/eynfel-learn-languages/id6810406458)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Credits | $4.99 | one-time |
| 1000 Credits | $9.99 | one-time |
| Premium - 30 Days | $9.99 | one-time |
| 2000 Credits | $19.99 | one-time |
| 5000 Credits | $49.99 | one-time |
| Premium - 365 Days | $99.99 | one-time |


## Frequently asked questions

### Is Define Ustası free?

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

### Is Eynfel free?

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

### Do Define Ustası or Eynfel have ads?

Neither Define Ustası nor Eynfel shows ads.

### Which is updated more often, Define Ustası or Eynfel?

Define Ustası ships an update every 3 weeks, and Eynfel every 3 days. Most recently, Define Ustası was updated on October 7, 2026 and Eynfel on October 9, 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.*