# Calc&Memo vs RigKit Pro

The clearest difference is in-app purchases: Calc&Memo at none against RigKit Pro's 4. Calc&Memo also leads on iOS requirement (13.4 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. RigKit Pro sells 4 in-app purchases, starting at $9.99 per month. Calc&Memo asks for nothing beyond the download.

## The numbers

| Metric | Calc&Memo | RigKit Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 5 MB | 1 MB |
| Requires iOS | **13.4** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Foodmenu.world Inc.](https://appshunter.io/developer/1438351063) | [贺 周](https://appshunter.io/developer/1815397078) |

## What reviewers say

### Calc&Memo

[App page](https://appshunter.io/ios/app/calc-and-memo/id1513713848)

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

**In-app purchases:** none


### RigKit Pro

[App page](https://appshunter.io/ios/app/rigkit-pro/id6766076333)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RigKit Pro | $9.99 | per month |
| RigKit Pro+Payment | $19.99 | per month |
| RigKit Pro Annual | $79.99 | per year |
| RigKit Pro+Payment Annual | $149.99 | per year |


## Frequently asked questions

### Is Calc&Memo free?

Calc&Memo is free to download, with no in-app purchases.

### Is RigKit Pro free?

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

### Do Calc&Memo or RigKit Pro have ads?

Neither Calc&Memo nor RigKit Pro 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.*