Drillstring Toolbox vs CentraDesign Lite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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!
CentraDesign Lite
This utility app calculates casing standoff and clearance for oil and gas wells. It considers various factors like pipe sizes, inclination, buoyancy, and side force. Users can visualize casing deflection in 2D and 3D.
- Bow spring and rigid centralizer database
- Centralizer and casing database
- Calculates casing standoff and clearance
- Considers buoyancy and side force
- 2D and 3D casing deflection view
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CentraDesign Lite is condense version of CentraDesign, our centralizer placement software. CentraDesign Lite includes bow spring and rigid centralizer and provides centralizer and casing database. This app calculates one span of casing standoff and clearance, using any combination of hole, pipe sizes and inclination angle. It also takes buoyance and side fore effect into consideration. The output results include the standoff and clearance at centralizer and mid span. Users are also able to view the casing deflection in 2D and 3D view.
Screenshots
Verdict
The clearest difference is rating: CentraDesign Lite at 5.0 against Drillstring Toolbox's 3.3. CentraDesign Lite also leads on iOS requirement (8.0 vs 14.0). Drillstring Toolbox's advantage is ratings volume (3 vs 1). On price, update cadence, ads and in-app purchases 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.
CentraDesign Lite holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
Drillstring Toolbox ships an update every 39 months, CentraDesign Lite every 21 months. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.
| Parameter | Drillstring Toolbox | CentraDesign Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 39 months | Every 21 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Bureau Veritas North America, Inc. | Pegasus Vertex, Inc. |
Customer experience
Drillstring Toolbox
CentraDesign Lite
In-app purchases
Drillstring Toolbox
No in-app purchases
CentraDesign Lite
No in-app purchases
Questions
Is Drillstring Toolbox free?
Is CentraDesign Lite free?
Which has better reviews, Drillstring Toolbox or CentraDesign Lite?
Do Drillstring Toolbox or CentraDesign Lite have ads?
Which is updated more often, Drillstring Toolbox or CentraDesign Lite?
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