# Doo vs Dattii

The clearest difference is price: Dattii at Free against Doo's $4.99. Dattii also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (15.6 vs 17.6). Doo's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Dattii is free to download; Doo costs $4.99 up front. Dattii sells 2 one-off in-app purchases. Doo asks for nothing beyond the download.

Doo ships an update every 2 weeks, Dattii every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Doo | Dattii |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.4 (39 ratings)](https://appshunter.io/ios/app/doo-get-things-done/id1515371154/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 55.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Paid | — |
| Size | 17 MB | 73 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ciarlo Software, LLC](https://appshunter.io/developer/1066322955) | [SZU-YUAN CHI](https://appshunter.io/developer/1829424256) |

## What reviewers say

### Doo

[App page](https://appshunter.io/ios/app/doo-get-things-done/id1515371154)

This app helps you overcome procrastination by breaking down tasks into manageable digital cards. Its unique card-based interface and focus on one task at a time promote productivity and habit building. It offers various task types, scheduling options, and cross-device syncing.

**Highlights:** Card-based task interface, Customizable task groups, Open-ended, calendar, and location-based tasks, Share extension for creating tasks from other apps, Customizable task scheduling and alerts, iCloud sync across devices, Task collaboration

**Features:** Siri integration

**In-app purchases:** none


### 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 Doo free?

Doo costs $4.99, with no in-app purchases.

### Is Dattii free?

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

### Do Doo or Dattii have ads?

Neither Doo nor Dattii shows ads.

### Which is updated more often, Doo or Dattii?

Doo ships an update every 2 weeks, and Dattii every 4 days. Most recently, Doo was updated on October 24, 2026 and Dattii on October 25, 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.*