API Pipe Properties vs Quail Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
API Pipe Properties
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API Pipe Properties is your compact engineering assistant for drilling operations. Access essential specs and calculations based on API pipe grades. Features: • API Pipe Grade Viewer View pipe specs: - Minimum Ultimate Tensile (psi) - Yield Stress (psi) - Minimum Elongation (%) • Tension & Collapse Load Limits Calculate tensile yield, collapse & burst pressure Based on OD, wall thickness, and grade • Drill Collar Sag Calculator Compute sag using Lubinski’s method Input: weight, OD, length, inclination • Pipe Stretch Calculator Estimate axial elongation under load Input: load, pipe specs Built for field engineers. Fast, simple, and reliable. Have a safe hitch!
Quail Tools
Access essential specifications for Tubulars, BOPs, and API Casing offline. View detailed data like tool joint OD, make-up torque, and pressure ratings. Share spec sheets when an internet connection is available.
- Offline access to Tubular and BOP specs
- API Casing General Information table
- Detailed spec sheets for equipment
- Shareable spec sheets (online)
- Save spec sheets to device
- Tool joint OD, ID, torque, tensile
- BOP pressure rating, bonnet type, operating data
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The app allows users to select Tubulars or BOPS to view specs. Users will also have access to our newly added API Casing General Information table. The initial page will allow the user to select between three sections of the app: Tubulars, BOPs, or Casing. Upon selecting "Tubulars" or "BOPs, the user will be presented with a built in table that contains essential information. Therefore, it does not require an internet connection to function! This will allow for constant, unhindered access to tubular and BOP information such as: tool joint OD, tool joint ID, max make up torque, premium tensile, BOP height, BOP weight, BOP pressure rating, BOP bonnet type, BOP operating data, and BOP shear testing videos. Upon selecting the "API Casing - General Information" button, the user will have access to a built in table containing standard API casing information. You can now view essential specs in areas where there is little or no cell phone reception. When selecting "Tubulars" or "BOPs", simply tap the item to view the spec sheet. This retrieves the spec sheet from our website, which can be shared using the button on the top right. (Please note: this function does require an internet connection). From there, the spec sheet can also be saved to your phone, or any handled via another app. We hope you enjoy this app as much as we have. Please feel free to provide feedback via the contact us button in the app.
Screenshots
Verdict
The clearest difference is price: Quail Tools at Free against API Pipe Properties's $1.99. Quail Tools also leads on update cadence (every 5 weeks vs every 39 months) and device support (3 vs 1). On 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
Quail Tools is free to download; API Pipe Properties costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
API Pipe Properties ships an update every 39 months, Quail Tools every 5 weeks. The most recent releases landed on September 4, 2026 and June 1, 2026 respectively.
| Parameter | API Pipe Properties | Quail Tools |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 5.0 (22 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 22 — better |
| Update frequency | Every 39 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | zhandos uakanov | Austin Angelle |
In-app purchases
API Pipe Properties
No in-app purchases
Quail Tools
No in-app purchases
Questions
Is API Pipe Properties free?
Is Quail Tools free?
Do API Pipe Properties or Quail Tools have ads?
Which is updated more often, API Pipe Properties or Quail Tools?
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