# 3things vs Atomic Habits

The clearest difference is in-app purchases: 3things at none against Atomic Habits's 2. Atomic Habits's advantage is device support and iOS requirement (14.0.0 vs 16.0). On price there is nothing between them.

Both are free to download. Atomic Habits sells 2 in-app purchases, starting at $3.99 per 7 days. 3things asks for nothing beyond the download.

## The numbers

| Metric | 3things | Atomic Habits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 4 days |
| Size | 1 MB | 44 MB |
| Requires iOS | 16.0 | **14.0.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trevor Brunton](https://appshunter.io/developer/1685844874) | [ICarta](https://appshunter.io/developer/1505094938) |

## What reviewers say

### 3things

[App page](https://appshunter.io/ios/app/3things/id6448722289)

**In-app purchases:** none


### Atomic Habits

[App page](https://appshunter.io/ios/app/atomic-habits-habit-tracker/id6745477105)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atomic Habits Weekly Unlimited | $3.99 | per 7 days |
| Atomic Habits Annual Unlimited | $24.99 | per year |


## Frequently asked questions

### Is 3things free?

3things is free to download, with no in-app purchases.

### Is Atomic Habits free?

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

---

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