# Duosida vs 八方来電

The clearest difference is device support: 八方来電 at 2 against Duosida's —. Duosida's advantage is iOS requirement (11.0 vs 13.0). On price 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.

## The numbers

| Metric | Duosida | 八方来電 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 10 days |
| Size | 80 MB | 32 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [TTech Global Service Limited](https://appshunter.io/developer/1602455949) | [Ming Fei TANG](https://appshunter.io/developer/1885429318) |

## What reviewers say

### Duosida

[App page](https://appshunter.io/ios/app/duosida/id6450500858)

**In-app purchases:** none


### 八方来電

[App page](https://appshunter.io/ios/app/id6760633259)

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

**In-app purchases:** none


## Frequently asked questions

### Is Duosida free?

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

### Is 八方来電 free?

八方来電 is free to download, with no in-app purchases.

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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.*