Comparison

Patch Utilities vs DrillOut Calcs

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Patch Utilities

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
Read full description

Welcome to Patch Utilities, the ultimate app designed exclusively for oilfield professionals. Whether you’re on-site or in the office, Patch Utilities offers a powerful suite of tools to enhance your efficiency and streamline operations. Key Features: ∙ New Terminology Quiz Section: Test your oilfield knowledge with our Quiz Section with Leaderboards! ∙ Comprehensive Tools: Simplify unit conversions with specialized tools tailored for the oilfield industry. ∙ Advanced Calculators: Perform critical calculations such as flowback, drilling, wireline, frac, and pump operations with precision and ease. ∙ Tank Keeper: Track water levels in tanks effortlessly, ensuring efficient resource management. ∙ Notes and Documentation: Capture and organize operational notes and essential documentation for quick reference. ∙ Oilfield Handbook: Access a comprehensive handbook filled with procedures, best practices, and essential industry knowledge. ∙ Terminology Glossary: Master oilfield terminology with a comprehensive glossary designed for both newcomers and seasoned professionals. ∙ Job Hazard Analysis (JHA) Sheets: Download customizable JHA sheets to enhance safety protocols and compliance. Patch Utilities is your indispensable tool for optimizing oilfield operations. Empowering professionals with robust features and a user-friendly interface, Patch Utilities simplifies complex tasks and supports informed decision-making. Why Patch Utilities? ∙ Efficiency: Enhance productivity with intuitive tools and streamlined workflows. ∙ Accuracy: Ensure precise calculations and informed decision-making. ∙ Knowledge: Access industry insights and best practices to stay ahead. ∙ Safety: Support safety initiatives with integrated JHA sheets and best practices.

About

DrillOut Calcs

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
Read full description

Drill-Out Calculator provides quick, accurate tools for oilfield professionals performing post-frac plug drill-outs. Built for simplicity and speed, it helps verify flow balance, annular velocity, sweep efficiency, and surface return timing in real time.

Screenshots

Patch Utilities4 screens
DrillOut Calcs4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Patch Utilities versus DrillOut Calcs: the parameters behind the verdict, then further details
ParameterPatch UtilitiesDrillOut Calcs
Price$1.99Free — better
Rating5.0 (2 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings22
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better18.5
Further details — not scored
Size27 MB3 MB
Age rating4+4+
DeveloperShawn RevelsCody Martin

Customer experience

Patch Utilities

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

DrillOut Calcs

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Patch Utilities

No in-app purchases

None

DrillOut Calcs

No in-app purchases

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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