# Cobuilder App vs ChkBox

The clearest difference is update cadence: ChkBox at weekly against Cobuilder App's every 3 months. 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.

Cobuilder App ships an update every 3 months, ChkBox weekly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Cobuilder App | ChkBox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 27 MB | 45 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [coBuilder AS](https://appshunter.io/developer/571202443) | [Infotech AS](https://appshunter.io/developer/534510732) |

## What reviewers say

### Cobuilder App

[App page](https://appshunter.io/ios/app/cobuilder-app/id571202440)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChkBox

[App page](https://appshunter.io/ios/app/chkbox/id1091516913)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cobuilder App free?

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

### Is ChkBox free?

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

### Do Cobuilder App or ChkBox have ads?

Neither Cobuilder App nor ChkBox shows ads.

### Which is updated more often, Cobuilder App or ChkBox?

Cobuilder App ships an update every 3 months, and ChkBox weekly. Most recently, Cobuilder App was updated on October 4, 2026 and ChkBox on October 12, 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.*