# Clockwork vs Chronographer

The clearest difference is rating: Clockwork at 4.4 against Chronographer's 3.4. Clockwork also leads on update cadence (every 3 weeks vs every 2 months) and ratings volume (24 vs 5). Chronographer's advantage is in-app purchases (none vs 1). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Clockwork sells 1 one-off in-app purchase. Chronographer asks for nothing beyond the download.

Clockwork holds the better App Store score, 4.4 against 3.4. Both are backed by a comparable volume of ratings — 24 and 5 respectively. Written reviews complicate that: 43% of Clockwork's written reviews are positive against 50% of Chronographer's, so the app with the better star average is not the one people write more warmly about.

Clockwork ships an update every 3 weeks, Chronographer every 2 months. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Clockwork | Chronographer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (24 ratings)](https://appshunter.io/ios/app/clockwork-watch-app/id1612061033/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/chronographer/id6448242917/reviews) |
| Number of ratings | **24** | 5 |
| Positive reviews | 42.9% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 242 MB | 3 MB |
| Requires iOS | **16.4** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Appfred AS](https://appshunter.io/developer/1612061035) | [Robert France](https://appshunter.io/developer/1684138105) |

## What reviewers say

### Clockwork

[App page](https://appshunter.io/ios/app/clockwork-watch-app/id1612061033)

This app allows you to measure the accuracy of your watches using your phone's camera. It compares an image of your watch to an atomic clock to calculate its timekeeping offset. Track accuracy over time with graphs and store detailed watch information.

**Highlights:** Measure accuracy using images, Atomic clock synchronization, Accuracy over time graphs, Store detailed watch information, Dark mode support, Digital and analog atomic clock

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clockwork Premium | $5.99 | one-time |


### Chronographer

[App page](https://appshunter.io/ios/app/chronographer/id6448242917)

This app helps you meticulously track the accuracy of your mechanical watches. It records time differences, calculates detailed performance metrics, and visualizes trends with charts and histograms. You can also manage your watch collection, log daily wear, and analyze positional variations.

**Highlights:** Track mechanical watch accuracy, Calculate detailed performance metrics, Visualize accuracy with charts and histograms, Manage watch collection with notes and photos, Log daily watch wear, Analyze positional variation, Export watch data

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

**In-app purchases:** none


## Frequently asked questions

### Is Clockwork free?

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

### Is Chronographer free?

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

### Which has better reviews, Clockwork or Chronographer?

Clockwork is rated higher. Clockwork averages 4.4 out of 5 from 24 ratings, while Chronographer averages 3.4 from 5 ratings.

### Do Clockwork or Chronographer have ads?

Neither Clockwork nor Chronographer shows ads.

### Which is updated more often, Clockwork or Chronographer?

Clockwork ships an update every 3 weeks, and Chronographer every 2 months. Most recently, Clockwork was updated on October 11, 2026 and Chronographer on October 15, 2026.

---

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