Oilfield LWD Calculation vs Workstrings
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Oilfield LWD Calculation
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LWD Calculation is a powerful and easy-to-use oilfield calculator designed specifically for the needs of Directional Drilling and MWD/LWD professionals. Whether you're on the rig or in the office, this app provides accurate, field-ready tools to support efficient decision-making and real-time calculations. Included Calculators: • ROP Calculator – Calculate rate of penetration based on time and depth. • Record Rate Calculator – Track peak drilling performance. • Data Density Calculator – Evaluate logging quality per measured depth. • Dogleg Severity + Minimum Curvature – Compute DLS and well path geometry with high precision. …and more tools are being added to support your downhole operations. Key Features: • Supports feet/meters unit toggle • Fast, accurate, and field-tested formulas • Clean interface built for real-world use • Works offline – no signal required
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
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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 LWD Calculation's $1.99. Workstrings also leads on update cadence (every 8 days vs every 38 months) and iOS requirement (13.0 vs 16.6). 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 LWD Calculation costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Oilfield LWD Calculation 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 LWD Calculation | Workstrings |
|---|---|---|
| Price | $1.99 | 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 | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 135 MB |
| Age rating | 4+ | 4+ |
| Developer | zhandos uakanov | SESI Holdings, Inc. |
In-app purchases
Oilfield LWD Calculation
No in-app purchases
Workstrings
No in-app purchases
