# ChronoRate vs TimeSync

The clearest difference is ads: ChronoRate at none against TimeSync's shown. TimeSync's advantage is update cadence (every 2 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

ChronoRate ships an update every 3 weeks, TimeSync every 2 days. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | ChronoRate | TimeSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 7 MB | 7 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Chieh Chung Tsou](https://appshunter.io/developer/1884205861) | [YOSHITADA SAITO](https://appshunter.io/developer/6807807036) |

## What reviewers say

### ChronoRate

[App page](https://appshunter.io/ios/app/chronorate/id6760379687)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $7.99 | 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 ChronoRate free?

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

### Is TimeSync free?

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

### Do ChronoRate or TimeSync have ads?

TimeSync shows ads; ChronoRate does not.

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

ChronoRate ships an update every 3 weeks, and TimeSync every 2 days. Most recently, ChronoRate was updated on October 8, 2026 and TimeSync on October 22, 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.*