# 嘀铃爱科学 vs 悦膳卡SHY

The clearest difference is iOS requirement: 嘀铃爱科学 at 10.0 against 悦膳卡SHY's 15.0. On price, update cadence, ads and in-app purchases 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, 悦膳卡SHY every 2 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 嘀铃爱科学 | 悦膳卡SHY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 712 MB | 27 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Shanghai FMI Technology Co., Ltd.](https://appshunter.io/developer/626634108) | [Allware Technologies Pty Ltd](https://appshunter.io/developer/1212174773) |

## What reviewers say

### 嘀铃爱科学

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 悦膳卡SHY

[App page](https://appshunter.io/ios/app/shy/id1456550121)

**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 悦膳卡SHY free?

悦膳卡SHY is free to download, with no in-app purchases.

### Do 嘀铃爱科学 or 悦膳卡SHY have ads?

Neither 嘀铃爱科学 nor 悦膳卡SHY shows ads.

### Which is updated more often, 嘀铃爱科学 or 悦膳卡SHY?

嘀铃爱科学 ships an update every 3 months, and 悦膳卡SHY every 2 months. Most recently, 嘀铃爱科学 was updated on October 2, 2026 and 悦膳卡SHY on October 3, 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.*