# 嘀铃爱科学 vs cozi可遇

The clearest difference is update cadence: cozi可遇 at monthly against 嘀铃爱科学's every 3 months. 嘀铃爱科学's advantage is iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

嘀铃爱科学 ships an update every 3 months, cozi可遇 monthly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 嘀铃爱科学 | cozi可遇 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 712 MB | 69 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai FMI Technology Co., Ltd.](https://appshunter.io/developer/626634108) | [Shanghai Ling He Sheng Ming Enterprise Management Limited](https://appshunter.io/developer/1736950790) |

## What reviewers say

### 嘀铃爱科学

[App page](https://appshunter.io/ios/app/id1052128124)

**Features:** macOS Compatibility

**In-app purchases:** none


### cozi可遇

[App page](https://appshunter.io/ios/app/cozi/id6479700053)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 嘀铃爱科学 free?

嘀铃爱科学 is free to download, with no in-app purchases.

### Is cozi可遇 free?

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

### Do 嘀铃爱科学 or cozi可遇 have ads?

Neither 嘀铃爱科学 nor cozi可遇 shows ads.

### Which is updated more often, 嘀铃爱科学 or cozi可遇?

嘀铃爱科学 ships an update every 3 months, and cozi可遇 monthly. Most recently, 嘀铃爱科学 was updated on October 19, 2026 and cozi可遇 on October 24, 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.*