# Rough Diamond Calculator vs JAMMIN PRO CONTROL

The clearest difference is in-app purchases: JAMMIN PRO CONTROL at none against Rough Diamond Calculator's 3. JAMMIN PRO CONTROL also leads on iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Rough Diamond Calculator sells 3 in-app purchases, starting at $1.99 per 7 days. JAMMIN PRO CONTROL asks for nothing beyond the download.

## The numbers

| Metric | Rough Diamond Calculator | JAMMIN PRO CONTROL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 38 months | — |
| Size | 51 MB | 42 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gorasiya Vishal Nanjibhai](https://appshunter.io/developer/1287086933) | [GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD.](https://appshunter.io/developer/1637560013) |

## What reviewers say

### Rough Diamond Calculator

[App page](https://appshunter.io/ios/app/rough-diamond-calculator/id1343735836)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Yearly | $9.99 | per year |
| Lifetime | $19.99 | one-time |


### JAMMIN PRO CONTROL

[App page](https://appshunter.io/ios/app/jammin-pro-control/id1628939717)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rough Diamond Calculator free?

Rough Diamond Calculator is free to download, with in-app purchases available.

### Is JAMMIN PRO CONTROL free?

JAMMIN PRO CONTROL is free to download, with no in-app purchases.

### Do Rough Diamond Calculator or JAMMIN PRO CONTROL have ads?

Neither Rough Diamond Calculator nor JAMMIN PRO CONTROL 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.*