# Watch Tracker vs Phono Calibre

The clearest difference is price: Phono Calibre at $2.99 against Watch Tracker's $4.99. Phono Calibre also leads on iOS requirement (18.6 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Watch Tracker costs $4.99 and Phono Calibre $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Watch Tracker | Phono Calibre |
| --- | --- | --- |
| Price | $4.99 | **$2.99** |
| Rating | **[4.7 (324 ratings)](https://appshunter.io/ios/app/watch-tracker/id610666926/reviews)** | — |
| Number of ratings | **324** | — |
| Positive reviews | 91.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Paid | — |
| Size | 1 MB | 9 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tom Kerrigan](https://appshunter.io/developer/295445504) | [MaaDoTaa](https://appshunter.io/developer/488542017) |

## What reviewers say

### Watch Tracker

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

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


### Phono Calibre

[App page](https://appshunter.io/ios/app/phono-calibre-set-up-utility/id6783587444)

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

**In-app purchases:** none


## Frequently asked questions

### Is Watch Tracker free?

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

### Is Phono Calibre free?

Phono Calibre costs $2.99, with no in-app purchases.

### Do Watch Tracker or Phono Calibre have ads?

Neither Watch Tracker nor Phono Calibre shows ads.

---

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