# DONE 66日間で習慣を定着 vs Darwin

The clearest difference is in-app purchases: Darwin at none against DONE 66日間で習慣を定着's 3. DONE 66日間で習慣を定着's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. DONE 66日間で習慣を定着 sells 3 in-app purchases, starting at $11.99 per month. Darwin asks for nothing beyond the download.

## The numbers

| Metric | DONE 66日間で習慣を定着 | Darwin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Size | 49 MB | 95 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Tatsuya Kawauchi](https://appshunter.io/developer/1716320513) | [Ryohei Horiuchi](https://appshunter.io/developer/1892078310) |

## What reviewers say

### DONE 66日間で習慣を定着

[App page](https://appshunter.io/ios/app/done-66/id6757388554)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Montly | $11.99 | per month |
| Yearly Unlimited | $39.99 | per year |
| Unlimited Parmanent | $59.99 | one-time |


### Darwin

[App page](https://appshunter.io/ios/app/darwin-team-detox-evolved/id6761920482)

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

**In-app purchases:** none


## Frequently asked questions

### Is DONE 66日間で習慣を定着 free?

DONE 66日間で習慣を定着 is free to download, with in-app purchases available.

### Is Darwin free?

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

### Do DONE 66日間で習慣を定着 or Darwin have ads?

Darwin shows ads; DONE 66日間で習慣を定着 does not.

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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.*