# Otto vs Sober

The clearest difference is in-app purchases: Sober at none against Otto's 2. Otto's advantage is iOS requirement (18.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Otto sells 2 in-app purchases, starting at $9.99 per month. Sober asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Otto | Sober |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 22 MB | 23 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Sharepeace, LLC](https://appshunter.io/developer/1463151538) | [Jim Haakman](https://appshunter.io/developer/1826831913) |

## What reviewers say

### Otto

[App page](https://appshunter.io/ios/app/otto-drink-less/id6794453588)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro monthly | $9.99 | per month |
| Pro yearly | $79.99 | per year |


### Sober

[App page](https://appshunter.io/ios/app/sober-simple-sobriety-tracker/id6800007886)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Otto free?

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

### Is Sober free?

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

### Do Otto or Sober have ads?

Neither Otto nor Sober shows ads.

### Which is updated more often, Otto or Sober?

Otto ships an update every 3 months, and Sober every 3 months. Most recently, Otto was updated on November 6, 2026 and Sober on November 6, 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.*