CPC Utility vs DrillOut Calcs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CPC Utility
This utility app provides instant contact with well control services for emergencies. It also includes helpful calculators and lookup tables for casing, flange, coiled tubing, and nitrogen volume.
- 24/7 Well Control callout
- Casing information lookup
- Flange data
- Coiled tubing calculator
- Nitrogen volume calculator
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CPC Utility is the quickest way to get in touch with CUDD Well Control Services in the event of a well control incident, providing a 24 hr phone response with a live engineer at the click of a button. In addition to Well Control callout, the app also provides several useful calculators and lookup tables. * Casing Info - Sizes and Ratings * Flange Info - Bore Size, Gasket, Hole Pattern... * Coiled Tubing Calculator * Nitrogen Volume Calculator - Get SCF / BBL at specified temperature and pressure
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.
- Post-frac plug drill-out calculations
- Flow balance verification
- Annular velocity calculation
- Sweep efficiency assessment
- Surface return timing
- Real-time data verification
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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
Verdict
The clearest difference is update cadence: DrillOut Calcs at every 3 weeks against CPC Utility's every 12 months. CPC Utility's advantage is iOS requirement (13.0 vs 18.5). On price, rating, review sentiment and ratings volume 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
Both are free to download. 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 CPC Utility against 5.0 for DrillOut Calcs. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
CPC Utility ships an update every 12 months, DrillOut Calcs every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | CPC Utility | DrillOut Calcs |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 12 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 27 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Thru Tubing Solutions Inc. | Cody Martin |
Customer experience
CPC Utility
DrillOut Calcs
In-app purchases
CPC Utility
No in-app purchases
DrillOut Calcs
No in-app purchases







