# PTN CENTER vs Kiddee

The clearest difference is update cadence: PTN CENTER at every 7 months against Kiddee's every 14 months. Kiddee's advantage is iOS requirement (13.0 vs 16.0). 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.

PTN CENTER ships an update every 7 months, Kiddee every 14 months. The most recent releases landed on October 3, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | PTN CENTER | Kiddee |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 14 months |
| Size | 94 MB | 34 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [PTN PHARMA CENTER COMPANY LIMITED](https://appshunter.io/developer/1199485397) | [MEDENSY COMPANY LIMITED](https://appshunter.io/developer/1495527679) |

## What reviewers say

### PTN CENTER

[App page](https://appshunter.io/ios/app/ptn-center/id1527630291)

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

**In-app purchases:** none


### Kiddee

[App page](https://appshunter.io/ios/app/kiddee/id6453696575)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PTN CENTER free?

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

### Is Kiddee free?

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

### Do PTN CENTER or Kiddee have ads?

Neither PTN CENTER nor Kiddee shows ads.

### Which is updated more often, PTN CENTER or Kiddee?

PTN CENTER ships an update every 7 months, and Kiddee every 14 months. Most recently, PTN CENTER was updated on October 3, 2026 and Kiddee on September 17, 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.*