# Quick Conversion Units vs Driller's Method Simulator

The clearest difference is price: Quick Conversion Units at $4.99 against Driller's Method Simulator's $19.99. Driller's Method Simulator's advantage is update cadence (every 4 months vs every 44 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Quick Conversion Units costs $4.99 and Driller's Method Simulator $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Quick Conversion Units ships an update every 44 months, Driller's Method Simulator every 4 months. The most recent releases landed on June 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Quick Conversion Units | Driller's Method Simulator |
| --- | --- | --- |
| Price | **$4.99** | $19.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quick-conversion-units/id1159050734/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 4 months** |
| Monetization | Paid | — |
| Size | 32 MB | 19 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [bader alshammari](https://appshunter.io/developer/858126240) | [Carlos Moura](https://appshunter.io/developer/407501202) |

## What reviewers say

### Quick Conversion Units

[App page](https://appshunter.io/ios/app/quick-conversion-units/id1159050734)

This app offers a streamlined conversion experience for oilfield professionals. It provides over 1000 conversion types across 19 categories, all accessible on a single screen for maximum efficiency and accuracy.

**Highlights:** Single-screen conversions, 19 conversion categories, 1000+ conversion types, Oilfield specific units, Increases productivity, Enhances accuracy

**Features:** macOS Compatibility

**In-app purchases:** none


### Driller's Method Simulator

[App page](https://appshunter.io/ios/app/drillers-method-simulator/id1443040170)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Quick Conversion Units free?

Quick Conversion Units costs $4.99, with no in-app purchases.

### Is Driller's Method Simulator free?

Driller's Method Simulator costs $19.99, with no in-app purchases.

### Do Quick Conversion Units or Driller's Method Simulator have ads?

Neither Quick Conversion Units nor Driller's Method Simulator shows ads.

### Which is updated more often, Quick Conversion Units or Driller's Method Simulator?

Quick Conversion Units ships an update every 44 months, and Driller's Method Simulator every 4 months. Most recently, Quick Conversion Units was updated on June 25, 2026 and Driller's Method Simulator on September 17, 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.*