Drilling Hydraulics (Basic) vs Petroleum Field Calculator
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Drilling Hydraulics (Basic)
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Drilling Hydraulics (Basic Calculations) provides an useful tool to students, drillers, technicians, drilling engineers and other professionals of the oil well drilling. Unit System with setting of decimals. Formulas and Calculations: - Capacities and Volumes - Mud Properties and Gradient - Temperature Gradient - Pressure Gradient - Hydrostatic Pressure - Mud Pump Output - Hydraulics on Drill Bit nozzles - Friction Losses (on borehole section) - ECD - Equivalent Circulating Density - Pressure with well closed (Kick/LOT/FIT) Formulas: - The factors/constants are calculated based on different units of measures. iCloud: - Auto saves to restore when to open the app again - Shares the same data on devices with same Apple ID DISCLAIMER: These tools & materials are provided 'as is' without warranties of any kind, express or implied. Please verify the tools provided by this application by yourself before you use them. Ensure you understand the impact of using these tools. Any use you choose to make of these tools & materials is undertaken by you entirely at you own risk.
Petroleum Field Calculator
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Designed for engineers, students, and safety personnel in the upstream oil and gas industry, this easy-to-use app simplifies essential oilfield calculations. Quickly compute key drilling, well control, and production parameters with a streamlined interface. β’ Comprehensive Calculations: Access a wide range of industry-standard formulas, including Hydrostatic Pressure, Mud Weight, and more. β’ Seamless Unit Switching: Instantly convert between imperial and metric (SI) units with built-in conversion factors. β’ Offline Access: No internet? No problem. Perform calculations anywhere, even in remote field locations. β’ Efficient & Reliable: Save time with a self-contained, searchable list of calculationsβno need to reference manuals or desktop software. Whether youβre on-site, in training, or troubleshooting critical operations, this app is your go-to solution for fast, accurate oilfield calculations.
Screenshots
Verdict
The clearest difference is update cadence: Petroleum Field Calculator at every 5 weeks against Drilling Hydraulics (Basic)'s every 14 months. Petroleum Field Calculator also leads on price ($0.99 vs $4.99). Drilling Hydraulics (Basic)'s advantage is iOS requirement (10.3 vs 17.6). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Drilling Hydraulics (Basic) costs $4.99 and Petroleum Field Calculator $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Drilling Hydraulics (Basic) ships an update every 14 months, Petroleum Field Calculator every 5 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.
| Parameter | Drilling Hydraulics (Basic) | Petroleum Field Calculator |
|---|---|---|
| Price | $4.99 | $0.99 β better |
| Update frequency | Every 14 months | Every 5 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 10.3 β better | 17.6 |
| Further details β not scored | ||
| Size | 7 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlos Moura | Paul Femiak |
In-app purchases
Drilling Hydraulics (Basic)
No in-app purchases
Petroleum Field Calculator
No in-app purchases
Questions
Is Drilling Hydraulics (Basic) free?
Is Petroleum Field Calculator free?
Do Drilling Hydraulics (Basic) or Petroleum Field Calculator have ads?
Which is updated more often, Drilling Hydraulics (Basic) or Petroleum Field Calculator?
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