# Checkbox Pro vs ปลาปลอดภัย  by Open Science

The clearest difference is iOS requirement: Checkbox Pro at 13.0 against ปลาปลอดภัย  by Open Science's 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.

## The numbers

| Metric | Checkbox Pro | ปลาปลอดภัย  by Open Science |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Size | 12 MB | 55 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [ACIS PROFESSIONAL CENTER COMPANY LIMITED](https://appshunter.io/developer/1732257873) | [ELECTRONIC SHELL COMPANY LIMITED](https://appshunter.io/developer/1458635825) |

## What reviewers say

### Checkbox Pro

[App page](https://appshunter.io/ios/app/checkbox-pro/id6478220739)

**In-app purchases:** none


### ปลาปลอดภัย  by Open Science

[App page](https://appshunter.io/ios/app/by-open-science/id6756695828)

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

**In-app purchases:** none


## Frequently asked questions

### Is Checkbox Pro free?

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

### Is ปลาปลอดภัย  by Open Science free?

ปลาปลอดภัย  by Open Science is free to download, with no in-app purchases.

### Do Checkbox Pro or ปลาปลอดภัย  by Open Science have ads?

Neither Checkbox Pro nor ปลาปลอดภัย  by Open Science shows ads.

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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.*