# Chrono flip timer vs 共此时

The clearest difference is in-app purchases: Chrono flip timer at none against 共此时's 2. Chrono flip timer also leads on device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 共此时 sells 2 in-app purchases, starting at $0.99 per year. Chrono flip timer asks for nothing beyond the download.

## The numbers

| Metric | Chrono flip timer | 共此时 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Size | 6 MB | 22 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [书玉 简](https://appshunter.io/developer/6776672398) | [龙飞 庄](https://appshunter.io/developer/1691085569) |

## What reviewers say

### Chrono flip timer

[App page](https://appshunter.io/ios/app/chrono-flip-timer/id6776980910)

**Features:** Vision Pro support

**In-app purchases:** none


### 共此时

[App page](https://appshunter.io/ios/app/id6787655662)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 年度会员 | $0.99 | per year |
| 永久会员 | $2.99 | one-time |


## Frequently asked questions

### Is Chrono flip timer free?

Chrono flip timer is free to download, with no in-app purchases.

### Is 共此时 free?

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

### Do Chrono flip timer or 共此时 have ads?

Neither Chrono flip timer nor 共此时 shows ads.

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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.*