# Rough Diamond Calculator vs DPC Tools

The clearest difference is in-app purchases: DPC Tools at none against Rough Diamond Calculator's 3. DPC Tools also leads on update cadence (every 2 months vs every 38 months). On price, ads, device support and iOS requirement 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. DPC Tools asks for nothing beyond the download.

Rough Diamond Calculator ships an update every 38 months, DPC Tools every 2 months. The most recent releases landed on September 10, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Rough Diamond Calculator | DPC Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (5 ratings)](https://appshunter.io/ios/app/dpc-tools/id1481236443/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 51 MB | 15 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gorasiya Vishal Nanjibhai](https://appshunter.io/developer/1287086933) | [Diamond Plastics Corporation](https://appshunter.io/developer/659014057) |

## 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 |


### DPC Tools

[App page](https://appshunter.io/ios/app/dpc-tools/id1481236443)

This app provides a suite of tools for designing and building projects using PVC pipe. It calculates pipe buoyancy, external load deflection, flow rates, pricing, and truckload capacity. Results can be printed for easy reference.

**Highlights:** Pipe Buoyancy Calculator, External Load Design, Flow Calculator, Pricing Calculator, Representative Locator, Truckload Calculator

**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 DPC Tools free?

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

### Do Rough Diamond Calculator or DPC Tools have ads?

Neither Rough Diamond Calculator nor DPC Tools shows ads.

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

Rough Diamond Calculator ships an update every 38 months, and DPC Tools every 2 months. Most recently, Rough Diamond Calculator was updated on September 10, 2026 and DPC Tools on September 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*