Tubing Stretch Calculator vs Drillstring Toolbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tubing Stretch Calculator
This utility app helps oil field professionals calculate the required tubing stretch for a desired tension. Simply input tension, depth, and tubing size to get accurate results. Supports both metric and standard units.
- Calculate tubing stretch
- Input desired tension
- Input depth
- Input tubing size
- Metric and standard support
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Made specifically for oil field applications. Easily figure out amount of stretch needed to leave tubing string in a desired tension. Just enter desired tension, depth, and tubing size and you're set! Support for metric and standard.
Drillstring Toolbox
This utility app calculates drill-stem load capacities based on API connections and sizes. It also provides makeup torque and tensile capacity, as well as tensile and torsion capacities for drill pipe tubes.
- Drill-stem load capacity calculation
- API connection selection
- Makeup torque calculation
- Tensile capacity calculation
- Drill pipe tube capacities
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Drillstring Toolbox is a free calculator from Standard DS-1 that gives you the drill-stem load capacities you need! You can choose an API connection (along with the size you're interested in) to find its recommended makeup torque and tensile capacity. Tap the "Tube" tab to find the tensile and torsion capacities for drill pipe tubes as well!
Screenshots
Verdict
The clearest difference is rating: Tubing Stretch Calculator at 4.5 against Drillstring Toolbox's 3.3. Tubing Stretch Calculator also leads on update cadence (every 2 months vs every 39 months) and iOS requirement (12.0 vs 14.0). On price, review sentiment, ratings volume and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Tubing Stretch Calculator holds the better App Store score, 4.5 against 3.3. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Tubing Stretch Calculator ships an update every 2 months, Drillstring Toolbox every 39 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Tubing Stretch Calculator | Drillstring Toolbox |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | 3.3 (3 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 | 3 — better |
| Update frequency | Every 2 months — better | Every 39 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ash Point Ltd. | Bureau Veritas North America, Inc. |
Customer experience
Tubing Stretch Calculator
Drillstring Toolbox
In-app purchases
Tubing Stretch Calculator
No in-app purchases
Drillstring Toolbox
No in-app purchases
Questions
Is Tubing Stretch Calculator free?
Is Drillstring Toolbox free?
Which has better reviews, Tubing Stretch Calculator or Drillstring Toolbox?
Do Tubing Stretch Calculator or Drillstring Toolbox have ads?
Which is updated more often, Tubing Stretch Calculator or Drillstring Toolbox?
Other comparisons
