# Simple OneTap Timer vs TimeSync

The clearest difference is in-app purchases: Simple OneTap Timer at none against TimeSync's 1. Simple OneTap Timer also leads on ads (none vs shown). TimeSync's advantage is iOS requirement (16.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. TimeSync sells 1 one-off in-app purchase. Simple OneTap Timer asks for nothing beyond the download.

Simple OneTap Timer ships an update every 3 days, TimeSync every 2 days. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Simple OneTap Timer | TimeSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | **Every 2 days** |
| Size | 28 MB | 7 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Natsumi Tabuchi](https://appshunter.io/developer/1844260980) | [YOSHITADA SAITO](https://appshunter.io/developer/6807807036) |

## What reviewers say

### Simple OneTap Timer

[App page](https://appshunter.io/ios/app/simple-onetap-timer/id6753733002)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Simple OneTap Timer free?

Simple OneTap Timer is free to download, with no in-app purchases.

### Is TimeSync free?

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

### Do Simple OneTap Timer or TimeSync have ads?

TimeSync shows ads; Simple OneTap Timer does not.

### Which is updated more often, Simple OneTap Timer or TimeSync?

Simple OneTap Timer ships an update every 3 days, and TimeSync every 2 days. Most recently, Simple OneTap Timer was updated on October 28, 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.*