# Smart Watch Notes Pro vs Quantum Messages

The clearest difference is price: Quantum Messages at Free against Smart Watch Notes Pro's $2.99. Smart Watch Notes Pro's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Quantum Messages is free to download; Smart Watch Notes Pro costs $2.99 up front. Quantum Messages sells 1 one-off in-app purchase. Smart Watch Notes Pro asks for nothing beyond the download.

## The numbers

| Metric | Smart Watch Notes Pro | Quantum Messages |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 3 MB | 2 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Riches](https://appshunter.io/developer/1464887687) | [嘉胜 陈](https://appshunter.io/developer/1508884749) |

## What reviewers say

### Smart Watch Notes Pro

[App page](https://appshunter.io/ios/app/smart-watch-notes-pro/id6742542265)

**Features:** Apple Watch app

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Smart Watch Notes Pro free?

Smart Watch Notes Pro costs $2.99, with no in-app purchases.

### Is Quantum Messages free?

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

### Do Smart Watch Notes Pro or Quantum Messages have ads?

Neither Smart Watch Notes Pro nor Quantum Messages 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.*