# Define Ustası vs NeoNatologyApp

The clearest difference is update cadence: Define Ustası at every 3 weeks against NeoNatologyApp's every 6 weeks. Define Ustası also leads on iOS requirement (10.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Define Ustası ships an update every 3 weeks, NeoNatologyApp every 6 weeks. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Define Ustası | NeoNatologyApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 95 MB | 22 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Erinc Karatas](https://appshunter.io/developer/939272530) | [ismail cagri acikgoz](https://appshunter.io/developer/1895754333) |

## What reviewers say

### Define Ustası

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

**Features:** macOS Compatibility

**In-app purchases:** none


### NeoNatologyApp

[App page](https://appshunter.io/ios/app/neonatologyapp/id6764411684)

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

**In-app purchases:** none


## Frequently asked questions

### Is Define Ustası free?

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

### Is NeoNatologyApp free?

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

### Do Define Ustası or NeoNatologyApp have ads?

Neither Define Ustası nor NeoNatologyApp shows ads.

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

Define Ustası ships an update every 3 weeks, and NeoNatologyApp every 6 weeks. Most recently, Define Ustası was updated on October 7, 2026 and NeoNatologyApp on September 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.*