# MyCenterton vs Grabook!

The clearest difference is in-app purchases: MyCenterton at none against Grabook!'s 2. MyCenterton also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Grabook! sells 2 in-app purchases, starting at $1.99 per year. MyCenterton asks for nothing beyond the download.

MyCenterton ships an update every 6 weeks, Grabook! every 2 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | MyCenterton | Grabook! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 126 MB | 103 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GOGov, Inc.](https://appshunter.io/developer/351223719) | [迪 兰](https://appshunter.io/developer/6779031188) |

## What reviewers say

### MyCenterton

[App page](https://appshunter.io/ios/app/mycenterton/id6771509069)

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

**In-app purchases:** none


### Grabook!

[App page](https://appshunter.io/ios/app/grabook/id6780227523)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grabook Pro Annual | $1.99 | per year |
| Grabook Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is MyCenterton free?

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

### Is Grabook! free?

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

### Do MyCenterton or Grabook! have ads?

Neither MyCenterton nor Grabook! shows ads.

### Which is updated more often, MyCenterton or Grabook!?

MyCenterton ships an update every 6 weeks, and Grabook! every 2 months. Most recently, MyCenterton was updated on October 31, 2026 and Grabook! on October 31, 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.*