# OB vs Sobriety Timer

The clearest difference is review sentiment: Sobriety Timer at 89% against OB's 50%. Sobriety Timer also leads on update cadence (every 5 days vs every 2 weeks). OB's advantage is ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. OB sells 1 in-app purchase, starting at $2.99 per month and Sobriety Timer sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OB ships an update every 2 weeks, Sobriety Timer every 5 days. The most recent releases landed on September 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | OB | Sobriety Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **88.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 78 MB | 61 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [KBOY, LLC.](https://appshunter.io/developer/1121544040) | [Koshi Mihara](https://appshunter.io/developer/1562673331) |

## What reviewers say

### OB

[App page](https://appshunter.io/ios/app/ob-1/id1666271955)

Track your progress in sobriety or no-fap challenges with this dedicated application. It offers tools to help you stay committed to your goals and maintain your abstinence.

**Highlights:** Abstinence tracking, Sobriety support, No-fap challenge tools, Progress monitoring, Commitment tools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OB-1 PRO | $2.99 | per month |


### Sobriety Timer

[App page](https://appshunter.io/ios/app/sobriety-timer-quit-drinking/id6467548636)

This app helps you track your progress in staying sober with a live timer, daily journaling, and a supportive community. Visualize your achievements, log urges, and connect with others to build lasting habits and overcome temptations.

**Highlights:** Live sobriety timer, Daily journaling and calendar, Community support board, Track drinks avoided and money saved, Urge logging (Premium), Progress visualization and rewards

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| １週間プラン | $0.99 | per 7 days |
| 月額プラン | $2.99 | per month |
| 年額プラン | $19.99 | per year |


## Frequently asked questions

### Is OB free?

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

### Is Sobriety Timer free?

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

### Do OB or Sobriety Timer have ads?

Sobriety Timer shows ads; OB does not.

### Which is updated more often, OB or Sobriety Timer?

OB ships an update every 2 weeks, and Sobriety Timer every 5 days. Most recently, OB was updated on September 9, 2026 and Sobriety Timer on September 12, 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.*