# iHorology vs Chronographer

The clearest difference is rating: iHorology at 4.4 against Chronographer's 3.4. iHorology also leads on iOS requirement (12.0 vs 18.6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iHorology holds the better App Store score, 4.4 against 3.4. Both are backed by a comparable volume of ratings — 5 and 5 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | iHorology | Chronographer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/ihorology/id1633242134/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/chronographer/id6448242917/reviews) |
| Number of ratings | 5 | 5 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 35 MB | 3 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kaizen Writer](https://appshunter.io/developer/1633242376) | [Robert France](https://appshunter.io/developer/1684138105) |

## What reviewers say

### iHorology

[App page](https://appshunter.io/ios/app/ihorology/id1633242134)

This app simulates the functions of a mechanical watch on your phone or tablet. It offers a wide range of features found in real-world timepieces, including chronographs, calendars, and chiming functions. Experience the complexity of mechanical watches with customizable options.

**Highlights:** Chronograph functions (split, flyback, monopusher), Perpetual and annual calendars, Minute repeaters and chiming features, Customizable bezel options, GMT, alarm, and moonphase complications, Power reserve simulation

**In-app purchases:** none


### 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 iHorology free?

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

### Is Chronographer free?

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

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

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

### Do iHorology or Chronographer have ads?

Neither iHorology nor Chronographer shows ads.

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

iHorology ships an update every 2 months, and Chronographer every 2 months. Most recently, iHorology was updated on October 24, 2026 and Chronographer on November 3, 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.*