# First05 vs chek

The clearest difference is in-app purchases: First05 at none against chek's 1. First05 also leads on update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. chek sells 1 one-off in-app purchase. First05 asks for nothing beyond the download.

First05 ships an update every 2 days, chek every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | First05 | chek |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 4 MB | 55 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rapro](https://appshunter.io/developer/6772112879) | [Tomash Sugint](https://appshunter.io/developer/1896504334) |

## What reviewers say

### First05

[App page](https://appshunter.io/ios/app/first05/id6772112877)

**In-app purchases:** none


### chek

[App page](https://appshunter.io/ios/app/chek-habit-tracker-daily-log/id6808731565)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| chek Pro: Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is First05 free?

First05 is free to download, with no in-app purchases.

### Is chek free?

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

### Do First05 or chek have ads?

Neither First05 nor chek shows ads.

### Which is updated more often, First05 or chek?

First05 ships an update every 2 days, and chek every 2 weeks. Most recently, First05 was updated on October 31, 2026 and chek 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.*