Clock Wave vs Timegrapher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clock Wave
Calibrate your radio-controlled watch or clock using your iPhone or iPad. Simply tap 'Transmit' and place your device near your watch to automatically sync the accurate time.
- Calibrate radio-controlled watches/clocks
- Transmit accurate time automatically
- Supports 5 major global time signal stations
- Manual station selection for compatibility
- Automatic time signal transmission
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Clock Wave allows you calibrate radio controlled watch or clock anytime and anywhere. Just click "Transmit" button, set your watch or clock to manual receive time signal, and place it nearby your iPhone/iPad's speaker, it will be calibrated in a few minutes. Clock Wave features: - Covers 5 major longwave time signal stations all over the world. * USA: WWVB * Japan: JJY * China: BPC * UK: MSF * DE: DCF77 - Automatically transmit the accurate time. * If your radio controlled watch/clock doesn't support station BPC, select station JJY manually to use in China. * If your radio controlled watch/clock doesn't support station MSF, select station DCF77 manually to use in UK. * If your radio controlled watch/clock support only a specified timezone or station, (e.g. Using a radio controlled clock support only JJY station in Australia.), select the watch/clock timezone manually in app settings.
Timegrapher
This application uses your device's microphone to measure the accuracy of mechanical watches. It detects ticking sounds to analyze beat rate, beat error, and amplitude, displaying results in real-time and over time.
- Detect BPH
- Measure Beat rate
- Measure Beat error
- Measure Amplitude
- Set Lift angle
- Real-time sound display
- Accuracy over time display
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What is Timegrapher? Timegrapher measures the accuracy of your mechanical watch. The app uses your device's microphone to detect the ticking of your watch. Features: Detect BPH Measure Beat rate Measure Beat error Measure Amplitude Set Lift angle Display beat noises real time (unlock, impulse and lock sounds) Display accuracy and beat error over time More features will be coming soon.
Screenshots
Verdict
The clearest difference is price: Timegrapher at Free against Clock Wave's $1.99. Clock Wave's advantage is rating (4.7 vs 2.8) and in-app purchases (none vs 1). On ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Timegrapher is free to download; Clock Wave costs $1.99 up front. Timegrapher sells 1 one-off in-app purchase. Clock Wave asks for nothing beyond the download.
Clock Wave holds the better App Store score, 4.7 against 2.8. That said, the two scores are not equally well evidenced: Clock Wave has 248 ratings behind it against 44, so its average is the more settled of the two. Written reviews point the same way: 89% of Clock Wave's written reviews are positive against 55% of Timegrapher's.
Clock Wave ships an update every 2 months, Timegrapher every 8 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.
| Parameter | Clock Wave | Timegrapher |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.7 (248 ratings) — better | 2.8 (44 ratings) |
| Positive reviews | 89.0% of reviews — better | 55.0% of reviews |
| Number of ratings | 248 — better | 44 |
| Update frequency | Every 2 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | #32 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | 震 任 | Attila Lelko |
Customer experience
Clock Wave
Timegrapher
User reviews
Clock Wave
From 248 App Store ratingsWhat we love
- 🚀 Works as advertised
- 👍 Easy to use
- 🚀 Syncs watches quickly
- 💡 Clever solution for remote areas
- 👍 Reliable and consistent
Room to improve
- 🐛 Doesn't work for some watches
- 🐛 Inconsistent performance
- 🐛 Occasional crashes or failures
Timegrapher
From 44 App Store ratingsWhat we love
- 👍 Works great for some
- 🎯 Accurate for some users
- 💰 Good value for money (paid features)
- 💡 Useful for watch regulation
- 🎧 Works better with external mic
Room to improve
- 😞 Doesn't work for many
- 💸 Requires payment for full functionality
- ❓ Scam accusations
- 📱 Inconsistent readings
- 🚫 No readings at all
Bugs and requests
Clock Wave
Reported bugs
2 issues- Incompatibility with certain iOS versions
- Incorrect time zone adjustments
Requested features
3 requests- Ability to transmit signal automatically
- Support for more watch brands/models
- Improved volume/signal strength control
Timegrapher
Reported bugs
9 issues- Does not detect ticking
- Does not work at all
- Requires payment to function
- Inaccurate readings
- Unskippable pop-ups
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- App magnetizes watch
- Does not work after paying for premium
- Amplitude reported as 360
- Inconsistent measurements
Requested features
5 requests- Add dark mode
- Keep screen on during use
- Ability to save data per watch
- Improve visual design
- Lower price for Pro version
In-app purchases
Clock Wave
No in-app purchases
Timegrapher
- Unlock full$5.99
