# Timegrapher X vs RelCheck

The clearest difference is price: RelCheck at Free against Timegrapher X's $29.99. RelCheck also leads on in-app purchases (none vs 1). Timegrapher X's advantage is update cadence (every 2 months vs every 8 months) and chart position (#181 vs unranked). On ads, device support and iOS requirement there is nothing between them.

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

Timegrapher X ships an update every 2 months, RelCheck every 8 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Timegrapher X | RelCheck |
| --- | --- | --- |
| 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 8 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#181** | — |
| Size | 7 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [Anne Ferret](https://appshunter.io/developer/1837284288) |

## What reviewers say

### Timegrapher X

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

**Currently charting:** #181 Top Paid · Utilities (US App Store)

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 |


### RelCheck

[App page](https://appshunter.io/ios/app/relcheck/id6755225797)

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

**In-app purchases:** none


## Frequently asked questions

### Is Timegrapher X free?

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

### Is RelCheck free?

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

### Do Timegrapher X or RelCheck have ads?

Neither Timegrapher X nor RelCheck shows ads.

### Which is updated more often, Timegrapher X or RelCheck?

Timegrapher X ships an update every 2 months, and RelCheck every 8 months. Most recently, Timegrapher X was updated on October 24, 2026 and RelCheck on October 24, 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.*