# CoTime时伴 vs Dife

The clearest difference is in-app purchases: Dife at none against CoTime时伴's 6. CoTime时伴's advantage is update cadence (weekly vs every 2 months) and iOS requirement (13.0 vs 15.1). On price, 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. Dife asks for nothing beyond the download.

CoTime时伴 ships an update weekly, Dife every 2 months. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CoTime时伴 | Dife |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 22 MB | 92 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Co-study Information Technology (Shanghai) Co., Ltd](https://appshunter.io/developer/1489845277) | [SEUNG HO LEE](https://appshunter.io/developer/1747646073) |

## 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 |


### Dife

[App page](https://appshunter.io/ios/app/dife/id6670191789)

**Features:** macOS Compatibility

**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 Dife free?

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

### Do CoTime时伴 or Dife have ads?

Neither CoTime时伴 nor Dife shows ads.

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

CoTime时伴 ships an update weekly, and Dife every 2 months. Most recently, CoTime时伴 was updated on October 4, 2026 and Dife on September 30, 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.*