# 曼顿电博士 vs 念嘉科技

The clearest difference is update cadence: 念嘉科技 at every 9 days against 曼顿电博士's every 2 months. 曼顿电博士's advantage is iOS requirement (9.0 vs 12.0). 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.

曼顿电博士 ships an update every 2 months, 念嘉科技 every 9 days. The most recent releases landed on September 27, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 曼顿电博士 | 念嘉科技 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 22 MB | 21 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mantunsci](https://appshunter.io/developer/1061501764) | [Shenzhen Nianjia Technology Co., Ltd](https://appshunter.io/developer/1560971790) |

## What reviewers say

### 曼顿电博士

[App page](https://appshunter.io/ios/app/id1061501765)

**Features:** macOS Compatibility

**In-app purchases:** none


### 念嘉科技

[App page](https://appshunter.io/ios/app/id6470180997)

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

**In-app purchases:** none


## Frequently asked questions

### Is 曼顿电博士 free?

曼顿电博士 is free to download, with no in-app purchases.

### Is 念嘉科技 free?

念嘉科技 is free to download, with no in-app purchases.

### Do 曼顿电博士 or 念嘉科技 have ads?

Neither 曼顿电博士 nor 念嘉科技 shows ads.

### Which is updated more often, 曼顿电博士 or 念嘉科技?

曼顿电博士 ships an update every 2 months, and 念嘉科技 every 9 days. Most recently, 曼顿电博士 was updated on September 27, 2026 and 念嘉科技 on October 8, 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.*