# CM vs RigMaster

The clearest difference is in-app purchases: CM at none against RigMaster's 4. CM also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. RigMaster sells 4 in-app purchases, starting at $0.99 per 7 days. CM asks for nothing beyond the download.

## The numbers

| Metric | CM | RigMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 11 days |
| Size | 9 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AMI Global](https://appshunter.io/developer/1290651515) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### CM

[App page](https://appshunter.io/ios/app/cm-connect/id1588615799)

**Features:** macOS Compatibility

**In-app purchases:** none


### RigMaster

[App page](https://appshunter.io/ios/app/rigmaster-rigging-calculator/id6789944360)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| RigMaster Pro Monthly | $2.99 | per month |
| Pro Yearly | $19.99 | per year |
| RigMaster Pro | $39.99 | one-time |


## Frequently asked questions

### Is CM free?

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

### Is RigMaster free?

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

### Do CM or RigMaster have ads?

RigMaster shows ads; CM 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.*