Pintrac vs GTP API Gravity Calculator2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pintrac
This app provides a tracking service for family members and pets, offering peace of mind through location monitoring and health activity reports. It aims to ensure everyone is cared for and protected, allowing users to feel safe and free to explore.
- Family tracking
- Pet tracking
- Location monitoring
- Health activity reports
- Safety and protection features
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PinTrac gives you complete freedom to explore your world. With our innovative range of products and services, we ensure that you and your family are cared for and protected. When you’re protected you feel safe. And when you’re safe, you are free to get out there, knowing that PinTrac will take care of you. With different tracking device for all of your family including your pet we’re dedicated to making sure everyone is protected and safe. Now you can be more close to your family, with PinTrac you can now monitor the health of your pet by using one of the feature called Activity Report
GTP API Gravity Calculator2
This application calculates the corrected API gravity at 60°F for jet, gasoline, and diesel fuels. It also determines the total weight of the fuel. It's a digital replacement for physical slide calculators.
- Corrected API gravity calculation
- Total fuel weight calculation
- Supports jet, gasoline, and diesel fuels
- Digital version of slide calculators
- Developed in 2025
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The GTP API Gravity Calculator v2 (Developed 2025) 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 review sentiment: GTP API Gravity Calculator2 at 100% against Pintrac's 0%. GTP API Gravity Calculator2 also leads on rating (4.0 vs 3.1) and chart position (#193 vs unranked). Pintrac's advantage is price (Free vs $9.99) and update cadence (every 2 weeks vs every 2 months). 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
Pintrac is free to download; GTP API Gravity Calculator2 costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GTP API Gravity Calculator2 holds the better App Store score, 4.0 against 3.1. That said, the two scores are not equally well evidenced: Pintrac has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Pintrac's written reviews are positive against 100% of GTP API Gravity Calculator2's.
Pintrac ships an update every 2 weeks, GTP API Gravity Calculator2 every 2 months. The most recent releases landed on July 5, 2026 and September 8, 2026 respectively.
| Parameter | Pintrac | GTP API Gravity Calculator2 |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 3.1 (15 ratings) | 4.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 15 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Best chart rank | — | #193 — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.3 — better | 12.0 |
| Further details — not scored | ||
| Size | 79 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Franklin Wireless Corp. | Gammon Technical Products |
Customer experience
Pintrac
GTP API Gravity Calculator2
In-app purchases
Pintrac
No in-app purchases
GTP API Gravity Calculator2
No in-app purchases
Questions
Is Pintrac free?
Is GTP API Gravity Calculator2 free?
Which has better reviews, Pintrac or GTP API Gravity Calculator2?
Do Pintrac or GTP API Gravity Calculator2 have ads?
Which is updated more often, Pintrac or GTP API Gravity Calculator2?
Other comparisons
