# MutLab vs Sober January

The clearest difference is in-app purchases: MutLab at none against Sober January's 3. MutLab also leads on update cadence (every 2 months vs every 11 months) and iOS requirement (13.0 vs 15). On price, ads and device support there is nothing between them.

Both are free to download. Sober January sells 3 one-off in-app purchases. MutLab asks for nothing beyond the download.

MutLab ships an update every 2 months, Sober January every 11 months. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | MutLab | Sober January |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (576 ratings)](https://appshunter.io/ios/app/sober-january-dry-day-tracker/id1660642475/reviews)** |
| Number of ratings | — | **576** |
| Positive reviews | — | 69.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | — | Free with in-app purchases |
| Size | 60 MB | 23 MB |
| Requires iOS | **13.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mutlab](https://appshunter.io/developer/1363984051) | [Clarity Applications](https://appshunter.io/developer/1646120472) |

## What reviewers say

### MutLab

[App page](https://appshunter.io/ios/app/mutlab/id1576343740)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sober January

[App page](https://appshunter.io/ios/app/sober-january-dry-day-tracker/id1660642475)

Embark on an alcohol-free challenge to start the new year. This app acts as your personal coach, offering daily motivation, reminders, and highlighting the benefits of a dry month. Track your progress and celebrate your streaks throughout the challenge.

**Highlights:** Alcohol-free challenge, Daily motivation, Helpful reminders, Benefit highlights, Progress tracking, Statistics and streaks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 👍 Free to use
- 👍 Encouraging and motivating
- 👍 Helps with wellbeing and sleep
- 👍 Satisfying daily check-offs

**What reviewers complain about**

- 😐 Dull and not very encouraging
- 😐 Boring with little motivation
- 🐛 Content sometimes cut off mid-sentence

**Reported bugs**

- 🐛 Text cut off mid-sentence

**Requested features**

- 💡 All-year-round version of the app
- 💡 More ways to view progress (e.g., graphs, stats)


## Frequently asked questions

### Is MutLab free?

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

### Is Sober January free?

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

### Do MutLab or Sober January have ads?

Neither MutLab nor Sober January shows ads.

### Which is updated more often, MutLab or Sober January?

MutLab ships an update every 2 months, and Sober January every 11 months. Most recently, MutLab was updated on September 21, 2026 and Sober January on September 13, 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.*