# MemoSoon vs Cal Master Pro

The clearest difference is in-app purchases: MemoSoon at none against Cal Master Pro's 2. Cal Master Pro's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.1). On price and device support there is nothing between them.

Both are free to download. Cal Master Pro sells 2 in-app purchases, starting at $0.99 per month. MemoSoon asks for nothing beyond the download.

## The numbers

| Metric | MemoSoon | Cal Master Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Size | 8 MB | 40 MB |
| Requires iOS | 18.1 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Tomohiro Fujimura](https://appshunter.io/developer/1744808379) | [Zhihao Yang](https://appshunter.io/developer/1466209376) |

## What reviewers say

### MemoSoon

[App page](https://appshunter.io/ios/app/memosoon-0/id6744027313)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cal Master Pro

[App page](https://appshunter.io/ios/app/cal-master-pro-calendar/id6770595605)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cal Master Pro Monthly | $0.99 | per month |
| Cal Master Pro Annual | $9.99 | per year |


## Frequently asked questions

### Is MemoSoon free?

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

### Is Cal Master Pro free?

Cal Master Pro is free to download, with in-app purchases available.

### Do MemoSoon or Cal Master Pro have ads?

MemoSoon shows ads; Cal Master Pro does not.

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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.*