# Watch Tuner Timegrapher vs Sheet Editor

The clearest difference is price: Sheet Editor at Free against Watch Tuner Timegrapher's $1.99. Watch Tuner Timegrapher's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Sheet Editor is free to download; Watch Tuner Timegrapher costs $1.99 up front. Sheet Editor sells 1 one-off in-app purchase. Watch Tuner Timegrapher asks for nothing beyond the download.

## The numbers

| Metric | Watch Tuner Timegrapher | Sheet Editor |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.8 (80 ratings)](https://appshunter.io/ios/app/watch-tuner-timegrapher/id991367080/reviews)** | — |
| Number of ratings | **80** | — |
| Positive reviews | 68.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 2 MB | 33 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bartlomiej Swiatek](https://appshunter.io/developer/943509577) | [Thuy Binh Ngo](https://appshunter.io/developer/1458517858) |

## What reviewers say

### Watch Tuner Timegrapher

[App page](https://appshunter.io/ios/app/watch-tuner-timegrapher/id991367080)

This application analyzes the performance of mechanical watches by using your device's microphone to record ticking sounds. It generates a frequency diagram and provides measurements for rate, beat error, amplitude, and beats per hour.

**Highlights:** Frequency diagram display, Measures rate accuracy, Measures beat error, Measures amplitude, Measures beats per hour (BPH), Uses device microphone

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💰 Affordable alternative to expensive professional timegraphers
- 📊 Accurate measurements when used correctly with proper microphone setup
- 🎯 Precise beat error and amplitude detection capabilities
- ⚙️ Highly adjustable settings for different watch movements
- 📈 Clear, easy-to-read graphical display of results

**What reviewers complain about**

- 🎤 Highly dependent on microphone quality and placement
- 🔇 Requires completely silent environment to function properly
- ⚠️ Inconsistent readings across different devices and setups
- 😤 Steep learning curve with many trial-and-error adjustments needed
- 🚫 Fails to detect watch ticks in noisy environments

**Reported bugs**

- App crashes on certain iOS versions (iPhone X with iOS 14.6)
- Incompatible with older devices (iPod Touch 6, iOS 8.4)
- Blank white screen on some devices
- Quality reporting inconsistency between live reading and saved history
- Cannot store more than 16 history files (save button grays out)

**Requested features**

- Audio monitoring function to optimize microphone placement before measuring
- Audible ticking sound output (like professional models)
- Extended beat rate range to include mechanical clocks
- Only request microphone permissions when actually measuring
- History feature to save and track measurements over time


### Sheet Editor

[App page](https://appshunter.io/ios/app/sheet-editor-reader-and-writer/id6806212331)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sheet Reader Pro | $0.99 | one-time |


## Frequently asked questions

### Is Watch Tuner Timegrapher free?

Watch Tuner Timegrapher costs $1.99, with no in-app purchases.

### Is Sheet Editor free?

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

### Do Watch Tuner Timegrapher or Sheet Editor have ads?

Neither Watch Tuner Timegrapher nor Sheet Editor shows ads.

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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.*