Comparison

Ton Miles Calculator vs Workover Assistant

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ton Miles Calculator

Features
Read full description

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.

About

Workover Assistant

This utility app assists oil and gas field personnel with essential calculations for well workovers. It provides tools for hydrostatic pressure, internal capacity, and other critical functions, serving as a convenient resource for rig site or office use.

Highlights
  • Hydrostatic pressure calculations
  • Internal capacity calculations
  • Oil and gas well workover tools
  • Rig site and office utility
  • Accurate field calculations
Features
Read full description

Workover Assistant is designed to help field personnel perform quick, accurate calculations related to oil and gas well workovers. It includes tools for hydrostatic pressure, internal capacity, and other common workover functions—making it a handy companion for the rig site or office.

Screenshots

Ton Miles Calculator4 screens
Workover Assistant4 screens

Verdict

The call

The clearest difference is price: Workover Assistant at Free against Ton Miles Calculator's $19.99. Ton Miles Calculator's advantage is update cadence (every 14 months vs every 58 months). On ads, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Workover Assistant is free to download; Ton Miles Calculator costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Ton Miles Calculator ships an update every 14 months, Workover Assistant every 58 months. The most recent releases landed on October 29, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 7 level
Ton Miles Calculator versus Workover Assistant: the parameters behind the verdict, then further details
ParameterTon Miles CalculatorWorkover Assistant
Price$19.99Free — better
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 14 months — betterEvery 58 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.6
Further details — not scored
Size9 MB3 MB
Age rating4+4+
DeveloperCarlos MouraKelly Gayneaux

In-app purchases

None

Ton Miles Calculator

No in-app purchases

None

Workover Assistant

No in-app purchases

Questions

Is Ton Miles Calculator free?
Ton Miles Calculator costs $19.99, with no in-app purchases.
Is Workover Assistant free?
Workover Assistant is free to download, with no in-app purchases.
Do Ton Miles Calculator or Workover Assistant have ads?
Neither Ton Miles Calculator nor Workover Assistant shows ads.
Which is updated more often, Ton Miles Calculator or Workover Assistant?
Ton Miles Calculator ships an update every 14 months, and Workover Assistant every 58 months. Most recently, Ton Miles Calculator was updated on October 29, 2026 and Workover Assistant on October 20, 2026.

Other comparisons