# Quantum Messages vs 手动双面打印

The clearest difference is in-app purchases: 手动双面打印 at none against Quantum Messages's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Quantum Messages sells 1 one-off in-app purchase. 手动双面打印 asks for nothing beyond the download.

## The numbers

| Metric | Quantum Messages | 手动双面打印 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/id6760401072/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 2 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [嘉胜 陈](https://appshunter.io/developer/1508884749) | [国林 庄](https://appshunter.io/developer/1881572016) |

## What reviewers say

### Quantum Messages

[App page](https://appshunter.io/ios/app/quantum-messages/id6747940707)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | one-time |


### 手动双面打印

[App page](https://appshunter.io/ios/app/id6760401072)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quantum Messages free?

Quantum Messages is free to download, with in-app purchases available.

### Is 手动双面打印 free?

手动双面打印 is free to download, with no in-app purchases.

### Do Quantum Messages or 手动双面打印 have ads?

Neither Quantum Messages nor 手动双面打印 shows ads.

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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.*