# CQ Key vs Checkbox Pro

The clearest difference is iOS requirement: CQ Key at 9.0 against Checkbox Pro's 13.0. 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.

## The numbers

| Metric | CQ Key | Checkbox Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 1 MB | 12 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CyberQuote (H.K.) Limited](https://appshunter.io/developer/675524089) | [ACIS PROFESSIONAL CENTER COMPANY LIMITED](https://appshunter.io/developer/1732257873) |

## What reviewers say

### CQ Key

[App page](https://appshunter.io/ios/app/cq-key/id1351218197)

**In-app purchases:** none


### Checkbox Pro

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

**In-app purchases:** none


## Frequently asked questions

### Is CQ Key free?

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

### Is Checkbox Pro free?

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

### Do CQ Key or Checkbox Pro have ads?

Neither CQ Key nor Checkbox Pro 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.*
