# Do it! vs Zeta Two

The clearest difference is update cadence: Do it! at every 3 days against Zeta Two's monthly. 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.

Do it! ships an update every 3 days, Zeta Two monthly. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Do it! | Zeta Two |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Size | 36 MB | 5 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Khoma](https://appshunter.io/developer/1679634233) | [JEREMY OLUOCH MBARARIA](https://appshunter.io/developer/1886222028) |

## What reviewers say

### Do it!

[App page](https://appshunter.io/ios/app/do-it-get-things-done/id6740178037)

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

**In-app purchases:** none


### Zeta Two

[App page](https://appshunter.io/ios/app/zeta-two-mental-math/id6762595364)

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

**In-app purchases:** none


## Frequently asked questions

### Is Do it! free?

Do it! is free to download, with no in-app purchases.

### Is Zeta Two free?

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

### Do Do it! or Zeta Two have ads?

Neither Do it! nor Zeta Two shows ads.

### Which is updated more often, Do it! or Zeta Two?

Do it! ships an update every 3 days, and Zeta Two monthly. Most recently, Do it! was updated on October 20, 2026 and Zeta Two on October 6, 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.*