# Tab ToDo vs Dattii

The clearest difference is ads: Dattii at none against Tab ToDo's shown. Dattii also leads on update cadence (every 4 days vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Tab ToDo sells 1 in-app purchase, starting at $1.49 per year and Dattii sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Tab ToDo ships an update every 4 months, Dattii every 4 days. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Tab ToDo | Dattii |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 30 MB | 73 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Haruya Nakamura](https://appshunter.io/developer/1482524589) | [SZU-YUAN CHI](https://appshunter.io/developer/1829424256) |

## What reviewers say

### Tab ToDo

[App page](https://appshunter.io/ios/app/tab-todo/id1519566137)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tab To Do Premium | $1.49 | per year |


### Dattii

[App page](https://appshunter.io/ios/app/dattii/id6749231487)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kindly a cup of coffee | $0.99 | one-time |
| A cup of coffee | $1.99 | one-time |


## Frequently asked questions

### Is Tab ToDo free?

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

### Is Dattii free?

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

### Do Tab ToDo or Dattii have ads?

Tab ToDo shows ads; Dattii does not.

### Which is updated more often, Tab ToDo or Dattii?

Tab ToDo ships an update every 4 months, and Dattii every 4 days. Most recently, Tab ToDo was updated on October 20, 2026 and Dattii on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*