# Timegrapher X vs T Express

The clearest difference is price: T Express at Free against Timegrapher X's $29.99. T Express also leads on in-app purchases (none vs 1) and device support (3 vs 1). On update cadence and ads there is nothing between them.

T Express is free to download; Timegrapher X costs $29.99 up front. Timegrapher X sells 1 one-off in-app purchase. T Express asks for nothing beyond the download.

Timegrapher X ships an update every 2 months, T Express every 5 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Timegrapher X | T Express |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | **[4.2 (23 ratings)](https://appshunter.io/ios/app/timegrapher-x/id1516161361/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 19 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [Lan Nguyen](https://appshunter.io/developer/1602733136) |

## What reviewers say

### Timegrapher X

[App page](https://appshunter.io/ios/app/timegrapher-x/id1516161361)

This app analyzes the ticking sound of mechanical watches to measure accuracy, beat error, and amplitude. It offers real-time waveform and detailed diagram displays, as well as long-term data logging for in-depth analysis. Pro features include PDF reports, CSV export, and extended testing durations.

**Highlights:** Mechanical watch sound analysis, Measures accuracy, beat error, amplitude, Real-time waveform display, Detailed diagram display, Long-term data logger, Save and share PDF reports (Pro), Export data as CSV (Pro)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timegrapher X Pro | $29.99 | one-time |


### T Express

[App page](https://appshunter.io/ios/app/t-express/id1602733134)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Timegrapher X free?

Timegrapher X costs $29.99, and also offers in-app purchases.

### Is T Express free?

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

### Do Timegrapher X or T Express have ads?

Neither Timegrapher X nor T Express shows ads.

### Which is updated more often, Timegrapher X or T Express?

Timegrapher X ships an update every 2 months, and T Express every 5 weeks. Most recently, Timegrapher X was updated on October 29, 2026 and T Express on October 27, 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.*