API Pipe Properties vs Gammon API Gravity Calculator
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!
Gammon API Gravity Calculator
Calculate corrected API gravity for jet, gasoline, and diesel fuels at 60°F. This digital tool also determines the total weight of the fuel, replicating the functionality of physical slide calculators.
- Corrected API gravity calculation
- Fuel weight calculation
- Supports jet, gasoline, and diesel fuels
- Digital slide calculator replacement
- Accurate at 60°F
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The GTP API Gravity Calculator from Gammon Technical Products, Inc. provides users the ability to determine corrected API at 60 Deg F for jet, gasoline, and diesel fuels. The calculator is a digital version of our GTP-3012-1A and GTP-2727EF slide calculators and it also is capable of calculating the total weight of the fuel.
Screenshots
Verdict
The clearest difference is price: API Pipe Properties at $1.99 against Gammon API Gravity Calculator's $9.99. Gammon API Gravity Calculator's advantage is chart position (#40 vs unranked) and iOS requirement (8.0 vs 18.0). On ads, in-app purchases and device support 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
API Pipe Properties costs $1.99 and Gammon API Gravity Calculator $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | API Pipe Properties | Gammon API Gravity Calculator |
|---|---|---|
| Price | $1.99 — better | $9.99 |
| Rating | — | 3.6 (10 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 10 — better |
| Update frequency | Every 39 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #40 — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | zhandos uakanov | Gammon Technical Products |
In-app purchases
API Pipe Properties
No in-app purchases
Gammon API Gravity Calculator
No in-app purchases
Questions
Is API Pipe Properties free?
Is Gammon API Gravity Calculator free?
Do API Pipe Properties or Gammon API Gravity Calculator have ads?
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