# Watch Tracker vs Twelve O'clock

The clearest difference is price: Twelve O'clock at Free against Watch Tracker's $4.99. Twelve O'clock also leads on update cadence (every 3 weeks vs every 6 months) and device support (3 vs 1). Watch Tracker's advantage is in-app purchases (none vs 1) and rating (4.7 vs 4.4). On review sentiment and ads there is nothing between them.

Twelve O'clock is free to download; Watch Tracker costs $4.99 up front. Twelve O'clock sells 1 one-off in-app purchase. Watch Tracker asks for nothing beyond the download.

Watch Tracker holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 322 and 82 respectively. Written reviews split almost evenly too, at 91% and 91% positive.

Watch Tracker ships an update every 6 months, Twelve O'clock every 3 weeks. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Watch Tracker | Twelve O'clock |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (322 ratings)](https://appshunter.io/ios/app/watch-tracker/id610666926/reviews)** | [4.4 (82 ratings)](https://appshunter.io/ios/app/twelve-oclock/id1570977980/reviews) |
| Number of ratings | **322** | 82 |
| Positive reviews | **91.2% of reviews** | 91.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#200** | — |
| Size | 1 MB | 46 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tom Kerrigan](https://appshunter.io/developer/295445504) | [Hieu Pham](https://appshunter.io/developer/1570977982) |

## What reviewers say

### Watch Tracker

[App page](https://appshunter.io/ios/app/watch-tracker/id610666926)

**Currently charting:** #200 Top Paid · Utilities (US App Store)

Easily track your wristwatch's accuracy against an atomic clock. This app measures and records time differences, displaying detailed graphs of your watch's performance. It's designed to be more accurate and simpler than traditional methods.

**Highlights:** Tracks wristwatch accuracy, Synchronizes with atomic clock, Measures and records time differences, Displays data graphs, Tracks multiple watches, Exports data to CSV

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate and reliable
- 📊 Useful data and graphs
- 🔍 Helps track watch accuracy
- 💻 Simple and intuitive interface

**What reviewers complain about**

- 🐛 Crashes on some devices
- 🐛 Inconsistent results
- 🤔 Confusing to navigate at first
- 🤔 Lacks detailed instructions

**Reported bugs**

- Crashes when trying to add photos
- Inconsistent time tracking results

**Requested features**

- Add more positional variance options
- Implement cloud sync for data
- Add more customization options
- Improve support for newer iOS versions


### Twelve O'clock

[App page](https://appshunter.io/ios/app/twelve-oclock/id1570977980)

Easily track the accuracy of your mechanical watches over time. Manually log checkpoints to calculate seconds per day and visualize performance with charts. Manage your watch collection with photos and learn more about horology.

**Highlights:** Manage watch collection, Add/edit/remove watches, Include watch photos, Track watch accuracy, Calculate seconds per day, View accuracy charts, Horology content

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Twelve Plus | $1.99 | one-time |

**What reviewers like**

- 👍 Intuitive and simple user interface
- 💰 Excellent value at $0.99 one-time purchase
- 🎯 Accurate watch accuracy tracking
- ⏱️ Flexible checkpoint timing (0, 15, 30, 45 seconds)
- 📊 Clear data visualization and graphs

**What reviewers complain about**

- 🐛 App freezes and crashes frequently
- 💾 Data loss after updates
- ⚠️ Free version severely limited (5 checkpoints only)
- 🔔 Silent mode prevents beeping sounds
- 🎯 Requires learning curve for some users

**Reported bugs**

- App freezes at loading requiring phone restart
- Data deletion after app updates
- Data loss on app crash
- Graph display glitches after checkpoints
- Photo checkpoint feature returns 'old photo not supported' error

**Requested features**

- iCloud/cloud synchronization across devices
- Notifications or reminders for checkpoints
- Current time button on checkpoint screen
- Larger buttons for 15/30/45 second marks
- Power reserve tracking


## Frequently asked questions

### Is Watch Tracker free?

Watch Tracker costs $4.99, with no in-app purchases.

### Is Twelve O'clock free?

Twelve O'clock is free to download, with in-app purchases available.

### Which has better reviews, Watch Tracker or Twelve O'clock?

Watch Tracker is rated higher. Watch Tracker averages 4.7 out of 5 from 322 ratings, while Twelve O'clock averages 4.4 from 82 ratings.

### Do Watch Tracker or Twelve O'clock have ads?

Neither Watch Tracker nor Twelve O'clock shows ads.

### Which is updated more often, Watch Tracker or Twelve O'clock?

Watch Tracker ships an update every 6 months, and Twelve O'clock every 3 weeks. Most recently, Watch Tracker was updated on September 23, 2026 and Twelve O'clock on September 26, 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.*