# TimeWave vs TimeSync

The clearest difference is ads: TimeWave at none against TimeSync's shown. TimeSync's advantage is update cadence (every 2 days vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. TimeWave sells 2 one-off in-app purchases and TimeSync sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TimeWave ships an update weekly, TimeSync every 2 days. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | TimeWave | TimeSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (18 ratings)](https://appshunter.io/ios/app/timewave-atomic-watch-sync/id6779167516/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free | — |
| Size | 3 MB | 7 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [毅 何](https://appshunter.io/developer/1477138542) | [YOSHITADA SAITO](https://appshunter.io/developer/6807807036) |

## What reviewers say

### TimeWave

[App page](https://appshunter.io/ios/app/timewave-atomic-watch-sync/id6779167516)

This app simulates radio-controlled clock signals to help your watch synchronize its time when terrestrial signals are unavailable. It offers guides for popular watch brands and checks environmental conditions before transmission.

**Highlights:** Radio-controlled clock signal simulation, Support for multiple international time signals, Environment pre-check and recommendations, Smart output tuning for various audio paths, Local time mode for overseas watches, Watch-specific synchronization guides, Live signal visualization and sync history

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $0.99 | one-time |
| Lifetime Membership | $3.99 | one-time |


### TimeSync

[App page](https://appshunter.io/ios/app/timesync-ntp-clock/id6807807034)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 | $0.49 | one-time |


## Frequently asked questions

### Is TimeWave free?

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

### Is TimeSync free?

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

### Do TimeWave or TimeSync have ads?

TimeSync shows ads; TimeWave does not.

### Which is updated more often, TimeWave or TimeSync?

TimeWave ships an update weekly, and TimeSync every 2 days. Most recently, TimeWave was updated on October 8, 2026 and TimeSync on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*