# CoTime时伴 vs Sync

The clearest difference is in-app purchases: Sync at none against CoTime时伴's 6. CoTime时伴's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CoTime时伴 sells 6 in-app purchases, starting at $1.99 per month. Sync asks for nothing beyond the download.

CoTime时伴 ships an update weekly, Sync every 8 days. The most recent releases landed on October 4, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CoTime时伴 | Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sync-time-to-connect/id6771613237/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | — | Free |
| Size | 22 MB | 48 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Co-study Information Technology (Shanghai) Co., Ltd](https://appshunter.io/developer/1489845277) | [SilverGrid Technology LLC](https://appshunter.io/developer/1435861993) |

## What reviewers say

### CoTime时伴

[App page](https://appshunter.io/ios/app/cotime/id6475029619)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续订阅包月 | $1.99 | per month |
| 连续订阅包季 | $3.99 | per 3 months |
| 连续订阅包年 | $7.99 | per year |
| 购买会员-3个月 | $5.99 | one-time |
| 购买会员-1年 | $14.99 | one-time |
| 购买会员-3年 | $17.99 | one-time |


### Sync

[App page](https://appshunter.io/ios/app/sync-time-to-connect/id6771613237)

This app turns meaningful clock moments into a simple way to connect with loved ones. Catch a magic minute and send it to someone special, fostering connection without social media pressure. It's a quick ritual to show you're thinking of them.

**Highlights:** Catch meaningful clock moments, Send instant connection pings, Receive and respond to pings, Track shared moments, Invite friends via text, No contact upload required

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

**In-app purchases:** none


## Frequently asked questions

### Is CoTime时伴 free?

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

### Is Sync free?

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

### Do CoTime时伴 or Sync have ads?

Neither CoTime时伴 nor Sync shows ads.

### Which is updated more often, CoTime时伴 or Sync?

CoTime时伴 ships an update weekly, and Sync every 8 days. Most recently, CoTime时伴 was updated on October 4, 2026 and Sync on October 9, 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.*