# Time Calibrator vs Clock Wave

The clearest difference is review sentiment: Clock Wave at 89% against Time Calibrator's 33%. Clock Wave also leads on rating (4.7 vs 2.7) and ratings volume (248 vs 3). Time Calibrator's advantage is price (Free vs $1.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Time Calibrator is free to download; Clock Wave costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Clock Wave holds the better App Store score, 4.7 against 2.7. That said, the two scores are not equally well evidenced: Clock Wave has 248 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 33% of Time Calibrator's written reviews are positive against 89% of Clock Wave's.

Time Calibrator ships an update every 8 months, Clock Wave every 2 months. The most recent releases landed on September 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Time Calibrator | Clock Wave |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/time-calibrator/id786988278/reviews) | **[4.7 (248 ratings)](https://appshunter.io/ios/app/clock-wave/id1073576068/reviews)** |
| Number of ratings | 3 | **248** |
| Positive reviews | 33.3% of reviews | **89.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free | Free |
| Best chart rank | — | **#59** |
| Size | 8 MB | 2 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atomtime Suisse S.A.](https://appshunter.io/developer/786988281) | [震 任](https://appshunter.io/developer/1073576067) |

## What reviewers say

### Time Calibrator

[App page](https://appshunter.io/ios/app/time-calibrator/id786988278)

This utility app provides precise local time and date information by connecting to an atomic clock server in Switzerland. It utilizes quantum technology to transmit this data at the speed of light directly to compatible i-Atomic watches.

**Highlights:** Accurate global time and date, Connects to Swiss atomic clock server, Quantum technology data transmission, Direct communication to i-Atomic watches, Light signal synchronization

**Features:** macOS Compatibility

**In-app purchases:** none


### Clock Wave

[App page](https://appshunter.io/ios/app/clock-wave/id1073576068)

**Currently charting:** #59 Top Paid · Utilities (US App Store)

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.

**Highlights:** 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

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Works as advertised
- 👍 Easy to use
- 🚀 Syncs watches quickly
- 💡 Clever solution for remote areas
- 👍 Reliable and consistent

**What reviewers complain about**

- 🐛 Doesn't work for some watches
- 🐛 Inconsistent performance
- 🐛 Occasional crashes or failures

**Reported bugs**

- Incompatibility with certain iOS versions
- Incorrect time zone adjustments

**Requested features**

- Ability to transmit signal automatically
- Support for more watch brands/models
- Improved volume/signal strength control


## Frequently asked questions

### Is Time Calibrator free?

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

### Is Clock Wave free?

Clock Wave costs $1.99, with no in-app purchases.

### Which has better reviews, Time Calibrator or Clock Wave?

Clock Wave is rated higher. Time Calibrator averages 2.7 out of 5 from 3 ratings, while Clock Wave averages 4.7 from 248 ratings.

### Do Time Calibrator or Clock Wave have ads?

Neither Time Calibrator nor Clock Wave shows ads.

### Which is updated more often, Time Calibrator or Clock Wave?

Time Calibrator ships an update every 8 months, and Clock Wave every 2 months. Most recently, Time Calibrator was updated on September 21, 2026 and Clock Wave on October 16, 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.*