Ton Miles Calculator vs Drillstring Toolbox Premium
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Ton Miles Calculator
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The Ton Miles Calculator is an essential, precision mobile tool designed specifically to manage and maximize the service life of wire rope used in rig suspension systems (drilling lines) during well-drilling operations. This application provides the useful tools for use of Wire Rope (Drilling Line) for Oil Field Service and in the drilling engineering schools. API Recommended Practice 9B: Developed strictly in accordance with API RP 9B standards, incorporating official engineering formulas for accurate ton-mile evaluation. Key Capabilities: - Complete Operational Coverage: Calculate ton-miles for Tripping, Drilling, Coring, Setting Casing, Setting Liner, and Running Riser. - Integrated API RP 9B Formulas: Built-in visual formula reference for full transparency on calculations. - Ton Miles Control Log: Track cumulative ton-miles to slip & cut-off thresholds in real time. - Industry Co-Development: Created in partnership with top field experts for professionals, engineers, students, and academics. - Native iOS & iPadOS: Built optimized for iPhone & iPad with iCloud Drive file syncing support. Calculations and formulas for: - Round Trip - Halt Trip - Short Trip - Drilling (options for kelly or top drive, with reaming or not) - Coring - Setting Casing (also with landing String on subsea operations) - Setting Liner - Running Riser (on subsea operations) Save calculations with historical of the all parameters per register. Please, visit the support url to download the "User Guide". Our Mission Developed alongside industry experts using established spreadsheets, this app provides an accessible, cost-effective tool for drilling engineers, toolpushers, drillers, technicians, students, and instructors. It is designed as a practical field utility and learning companion, not a replacement for full-scale commercial engineering software. Feedback & Community We continuously improve our tools. Feel free to share feedback, report bugs, suggest translation refinements, or share this app with your colleagues. Thanks DISCLAIMER: These tools and materials are provided "as is" and "as available," without warranties of any kind, express or implied. You are solely responsible for verifying the accuracy and appropriateness of any calculations or data generated by this application prior to use. Any reliance on or use of these tools is strictly at your own risk. In no event shall the developer be liable for any direct, indirect, incidental, or consequential damages resulting from the use or inability to use this application.
Drillstring Toolbox Premium
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The DS-1 team has created this Drillstring Toolbox Premium! It's an advance calculator that does everything the free Drillstring toolbox does and more! With it you can find: - API-recommended makeup torques for drill-stem connections with whatever sizes you want to plug in. - The "T4" (maximum tensile capacity) torque for those connections, too. - Adjusted makeup torques when you want to optimize away from the standard numbers. - Tensile and torsion capacities for standard, thick-walled, and custom drill pipe tubes. - A combined load curve for whatever combination you come up with, which you can email to your colleagues. - Recommended makeup torques for many popular proprietary connections.
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Verdict
The clearest difference is price: Ton Miles Calculator at $19.99 against Drillstring Toolbox Premium's $24.99. Ton Miles Calculator also leads on chart position (#193 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Ton Miles Calculator costs $19.99 and Drillstring Toolbox Premium $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Ton Miles Calculator ships an update every 14 months, Drillstring Toolbox Premium every 24 months. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.
| Parameter | Ton Miles Calculator | Drillstring Toolbox Premium |
|---|---|---|
| Price | $19.99 โ better | $24.99 |
| Update frequency | Every 14 months โ better | Every 24 months |
| Ads | No | No |
| In-app purchases | No | No |
| Best chart rank | #193 โ better | โ |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 14.0 โ better |
| Further details โ not scored | ||
| Size | 9 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlos Moura | Bureau Veritas North America, Inc. |
In-app purchases
Ton Miles Calculator
No in-app purchases
Drillstring Toolbox Premium
No in-app purchases
Questions
Is Ton Miles Calculator free?
Is Drillstring Toolbox Premium free?
Do Ton Miles Calculator or Drillstring Toolbox Premium have ads?
Which is updated more often, Ton Miles Calculator or Drillstring Toolbox Premium?
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