# Open vs One Habit

The clearest difference is in-app purchases: Open at none against One Habit's 3. One Habit's advantage is iOS requirement (13.3 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. One Habit sells 3 in-app purchases, starting at $2.99 per month. Open asks for nothing beyond the download.

## The numbers

| Metric | Open | One Habit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 37 MB | 56 MB |
| Requires iOS | 15.1 | **13.3** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Ryan Crabbe](https://appshunter.io/developer/1843293744) | [伟基 陶](https://appshunter.io/developer/1872855313) |

## What reviewers say

### Open

[App page](https://appshunter.io/ios/app/open-habit/id6757945751)

**Features:** macOS Compatibility

**In-app purchases:** none


### One Habit

[App page](https://appshunter.io/ios/app/one-habit-routine-tracker/id6758465304)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $14.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is Open free?

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

### Is One Habit free?

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

### Do Open or One Habit have ads?

Neither Open nor One Habit shows ads.

---

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