# idag vs 23Brain

The clearest difference is iOS requirement: 23Brain at 13.0 against idag's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. idag sells 3 in-app purchases, starting at $2.99 per 7 days and 23Brain sells 4 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

idag ships an update every 5 days, 23Brain every 8 days. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | idag | 23Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 days |
| Size | 48 MB | 76 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [mansour mahamat](https://appshunter.io/developer/1729020249) | [Felix Seip](https://appshunter.io/developer/1819359578) |

## What reviewers say

### idag

[App page](https://appshunter.io/ios/app/idag-focus-and-task-manager/id6737172470)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium weekly | $2.99 | per 7 days |
| Premium Month | $4.99 | per month |
| Premium Year | $39.99 | per year |


### 23Brain

[App page](https://appshunter.io/ios/app/23brain/id6748966833)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Monthly) | $12.99 | per month |
| Ultra (Monthly) | $24.99 | per month |
| Pro (Yearly) | $99.99 | per year |
| Ultra (Yearly) | $249.99 | per year |


## Frequently asked questions

### Is idag free?

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

### Is 23Brain free?

23Brain is free to download, with in-app purchases available.

### Do idag or 23Brain have ads?

Neither idag nor 23Brain shows ads.

### Which is updated more often, idag or 23Brain?

idag ships an update every 5 days, and 23Brain every 8 days. Most recently, idag was updated on September 21, 2026 and 23Brain on September 22, 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.*