OilField Hydrostatic Pressure. vs Workstrings
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OilField Hydrostatic Pressure.
Read full descriptionHide full description
Welcome to the OilField Hydrostatic Pressure Pro app, meticulously crafted for oilfield specialists, drillers, and mud engineers seeking precise hydrostatic pressure calculations. Easily navigate through the intuitive tabs at the bottom to access the specific information you require. Our application is built using the latest API (American Petroleum Institute) data, ensuring accuracy and reliability. Here's what you can expect: - Fluid weight (mud weight) input in pounds per gallon (ppg) alongside True Vertical Depth (TVD) in feet. - Mud weight input in ppg with TVD in meters. - Mud weight input in pounds per cubic foot (lb/ft³) with TVD in feet. - A convenient MD to TVD calculator. Simply input your fluid weight and TVD, and the app will swiftly provide hydrostatic pressure readings in both pounds per square inch (psi) and kilopascals (kPa). Rest assured, our calculations are verified by professionals in reputable oilfield services companies. Plus, rigorous testing has been conducted across various oilfields, including those in the US, Canada, UAE, and Oman. For any inquiries or corrections, feel free to reach out to us at info@oilfieldengineer.com. Prioritize safety with our quick calculations for safe operations. Work Safe!
Workstrings
Access and share detailed product specifications for a wide range of tubular goods and specialized joints. Easily search, view, and download spec sheets for items like drill pipe, landing string, and drill collars.
- Search product specifications
- View detailed spec sheets
- Download specification documents
- Share product information
- Browse tubular goods
- Access Worktech Joints specs
Read full descriptionHide full description
The Workstrings International Spec Sheet finder allows you to search for, view, download, and share specifications for a variety of Workstrings' products including Drill Pipe, Landing String, Heavy Weight Drill Pipe, Drill Collars, Tubing, Completion and Intervention Tubulars, and Worktech Joints
Screenshots
Verdict
The clearest difference is price: Workstrings at Free against OilField Hydrostatic Pressure.'s $0.99. Workstrings also leads on update cadence (every 8 days vs every 38 months) and iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support 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
Workstrings is free to download; OilField Hydrostatic Pressure. costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
OilField Hydrostatic Pressure. ships an update every 38 months, Workstrings every 8 days. The most recent releases landed on September 21, 2026 and June 10, 2026 respectively.
| Parameter | OilField Hydrostatic Pressure. | Workstrings |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (14 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 14 — better |
| Update frequency | Every 38 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 135 MB |
| Age rating | 4+ | 4+ |
| Developer | zhandos uakanov | SESI Holdings, Inc. |
In-app purchases
OilField Hydrostatic Pressure.
No in-app purchases
Workstrings
No in-app purchases
