Drillstring Toolbox vs Additel Land
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!
Additel Land
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1.Supported devices Additel685 2.Communication iPad connects to device via Bluetooth 3.Supported functions include: Read real-time data such as pressure value and ambient temperature Read the remaining power, data records, lock screen and other states Provides a wealth of quick operations, including switching pressure units, pressure zeroing, segmentation, start/stop data recording, lock screen, backlight, and more. Provides the function of downloading the internal data records of the instrument, and the downloaded data can be viewed at any time, and supports exporting PDF or Excel files to share with other applications.
Screenshots
Verdict
The clearest difference is update cadence: Additel Land at every 6 weeks against Drillstring Toolbox's every 39 months. Drillstring Toolbox's advantage is device support (3 vs 1). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Drillstring Toolbox ships an update every 39 months, Additel Land every 6 weeks. The most recent releases landed on September 5, 2026 and September 14, 2026 respectively.
| Parameter | Drillstring Toolbox | Additel Land |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 39 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Bureau Veritas North America, Inc. | Additel Corp. |
In-app purchases
Drillstring Toolbox
No in-app purchases
Additel Land
No in-app purchases
