# Drive Powered by N2 Plus vs GTP API Gravity Calculator2

The clearest difference is price: Drive Powered by N2 Plus at Free against GTP API Gravity Calculator2's $9.99. Drive Powered by N2 Plus also leads on rating (5.0 vs 4.0) and update cadence (monthly vs every 2 months). GTP API Gravity Calculator2's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.6). On review sentiment, in-app purchases and device support there is nothing between them.

Drive Powered by N2 Plus 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.

Drive Powered by N2 Plus holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Drive Powered by N2 Plus ships an update monthly, GTP API Gravity Calculator2 every 2 months. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Drive Powered by N2 Plus | GTP API Gravity Calculator2 |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/drive-powered-by-n2-plus/id1673338058/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/gtp-api-gravity-calculator2/id6742924006/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Ad-supported** | Paid |
| Size | 27 MB | 9 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [N2 Plus, LLC](https://appshunter.io/developer/1673338060) | [Gammon Technical Products](https://appshunter.io/developer/1163782116) |

## What reviewers say

### Drive Powered by N2 Plus

[App page](https://appshunter.io/ios/app/drive-powered-by-n2-plus/id1673338058)

This app enhances communication between automotive dealerships and their clients. It sends alerts for specials, maintenance, and recalls, and provides reporting on client interactions to improve dealership operations and customer retention.

**Highlights:** Client communication enhancement, Dealership operations improvement, Sales, finance, and service integration, Automated client alerts, Real-time reporting and analytics, Customer retention tools

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### GTP API Gravity Calculator2

[App page](https://appshunter.io/ios/app/gtp-api-gravity-calculator2/id6742924006)

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.

**Highlights:** Corrected API gravity calculation, Total fuel weight calculation, Supports jet, gasoline, and diesel fuels, Digital version of slide calculators, Developed in 2025

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Drive Powered by N2 Plus free?

Drive Powered by N2 Plus is free to download, with no in-app purchases.

### Is GTP API Gravity Calculator2 free?

GTP API Gravity Calculator2 costs $9.99, with no in-app purchases.

### Which has better reviews, Drive Powered by N2 Plus or GTP API Gravity Calculator2?

Drive Powered by N2 Plus is rated higher. Drive Powered by N2 Plus averages 5.0 out of 5 from 3 ratings, while GTP API Gravity Calculator2 averages 4.0 from 1 ratings.

### Do Drive Powered by N2 Plus or GTP API Gravity Calculator2 have ads?

Drive Powered by N2 Plus shows ads; GTP API Gravity Calculator2 does not.

### Which is updated more often, Drive Powered by N2 Plus or GTP API Gravity Calculator2?

Drive Powered by N2 Plus ships an update monthly, and GTP API Gravity Calculator2 every 2 months. Most recently, Drive Powered by N2 Plus was updated on October 12, 2026 and GTP API Gravity Calculator2 on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*