# FocusCheck vs Dayhack

The clearest difference is update cadence: Dayhack at every 4 days against FocusCheck's monthly. Dayhack also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. FocusCheck sells 1 one-off in-app purchase and Dayhack sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

FocusCheck ships an update monthly, Dayhack every 4 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FocusCheck | Dayhack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 10 MB | 53 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [Martin Condet](https://appshunter.io/developer/1696467493) | [Victor Laybats](https://appshunter.io/developer/6781441777) |

## What reviewers say

### FocusCheck

[App page](https://appshunter.io/ios/app/focuscheck-adhd-and-focus-test/id6762002529)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FocusCheck Premium | $5.49 | one-time |


### Dayhack

[App page](https://appshunter.io/ios/app/dayhack-biohacking-journal/id6815590327)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Takehold Plus monthly | $4.99 | per month |
| Takehold Plus yearly | $29.99 | per year |
| Takehold Plus | $59.99 | one-time |


## Frequently asked questions

### Is FocusCheck free?

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

### Is Dayhack free?

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

### Do FocusCheck or Dayhack have ads?

Neither FocusCheck nor Dayhack shows ads.

### Which is updated more often, FocusCheck or Dayhack?

FocusCheck ships an update monthly, and Dayhack every 4 days. Most recently, FocusCheck was updated on November 6, 2026 and Dayhack 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.*