# Patch Utilities vs DrillOut Calcs

The clearest difference is price: DrillOut Calcs at Free against Patch Utilities's $1.99. Patch Utilities's advantage is iOS requirement (16.6 vs 18.5). On rating, ratings volume, update cadence and ads there is nothing between them.

DrillOut Calcs is free to download; Patch Utilities costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Patch Utilities against 5.0 for DrillOut Calcs. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Patch Utilities ships an update fortnightly, DrillOut Calcs every 3 weeks. The most recent releases landed on September 17, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Patch Utilities | DrillOut Calcs |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/patch-utilities/id6504952483/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/drillout-calcs/id6754534235/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Size | 27 MB | 3 MB |
| Requires iOS | **16.6** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shawn Revels](https://appshunter.io/developer/1429958152) | [Cody Martin](https://appshunter.io/developer/1796736420) |

## What reviewers say

### Patch Utilities

[App page](https://appshunter.io/ios/app/patch-utilities/id6504952483)

This app provides oilfield professionals with a suite of tools for unit conversions, complex calculations, tank tracking, and documentation. It includes a terminology glossary, quiz section, and downloadable JHA sheets to enhance efficiency and safety on-site or in the office.

**Highlights:** Oilfield terminology quiz with leaderboards, Specialized unit conversion tools, Advanced calculators for oilfield operations, Tank water level tracking, Operational notes and documentation, Comprehensive oilfield handbook, Customizable Job Hazard Analysis (JHA) sheets

**In-app purchases:** none


### DrillOut Calcs

[App page](https://appshunter.io/ios/app/drillout-calcs/id6754534235)

This app offers essential calculations for oilfield professionals performing post-frac plug drill-outs. It provides quick and accurate tools to verify flow balance, annular velocity, sweep efficiency, and surface return timing in real time, designed for simplicity and speed.

**Highlights:** Post-frac plug drill-out calculations, Flow balance verification, Annular velocity calculation, Sweep efficiency assessment, Surface return timing, Real-time data verification

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

**In-app purchases:** none


## Frequently asked questions

### Is Patch Utilities free?

Patch Utilities costs $1.99, with no in-app purchases.

### Is DrillOut Calcs free?

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

### Which has better reviews, Patch Utilities or DrillOut Calcs?

Patch Utilities and DrillOut Calcs are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Patch Utilities or DrillOut Calcs have ads?

Neither Patch Utilities nor DrillOut Calcs shows ads.

### Which is updated more often, Patch Utilities or DrillOut Calcs?

Patch Utilities ships an update fortnightly, and DrillOut Calcs every 3 weeks. Most recently, Patch Utilities was updated on September 17, 2026 and DrillOut Calcs on September 29, 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.*