# Rough Diamond Calculator vs vSWC

The clearest difference is in-app purchases: vSWC at none against Rough Diamond Calculator's 3. vSWC also leads on update cadence (every 4 weeks vs every 38 months) and iOS requirement (11.0 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. vSWC asks for nothing beyond the download.

Rough Diamond Calculator ships an update every 38 months, vSWC every 4 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Rough Diamond Calculator | vSWC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 4 weeks** |
| Size | 51 MB | 7 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gorasiya Vishal Nanjibhai](https://appshunter.io/developer/1287086933) | [Gigaboyz.com](https://appshunter.io/developer/1141349514) |

## 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 |


### vSWC

[App page](https://appshunter.io/ios/app/vswc/id1590466266)

**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 vSWC free?

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

### Do Rough Diamond Calculator or vSWC have ads?

Neither Rough Diamond Calculator nor vSWC shows ads.

### Which is updated more often, Rough Diamond Calculator or vSWC?

Rough Diamond Calculator ships an update every 38 months, and vSWC every 4 weeks. Most recently, Rough Diamond Calculator was updated on October 26, 2026 and vSWC on October 27, 2026.

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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.*