# Density Altitude + vs RaceTools

The clearest difference is price: RaceTools at Free against Density Altitude +'s $3.99. RaceTools also leads on review sentiment (100% vs 88%). Density Altitude +'s advantage is in-app purchases (none vs 4) and ratings volume (1K vs 86). On rating, update cadence, ads and device support there is nothing between them.

RaceTools is free to download; Density Altitude + costs $3.99 up front. RaceTools sells 4 in-app purchases, starting at $1.99 per month. Density Altitude + asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Density Altitude + against 4.9 for RaceTools. That said, the two scores are not equally well evidenced: Density Altitude + has 1K ratings behind it against 86, so its average is the more settled of the two. Written reviews are what separate them: 88% of Density Altitude +'s written reviews are positive against 100% of RaceTools's.

Density Altitude + ships an update every 4 months, RaceTools every 3 months. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Density Altitude + | RaceTools |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.8 (1K ratings)](https://appshunter.io/ios/app/density-altitude-plus/id994402197/reviews) | **[4.9 (86 ratings)](https://appshunter.io/ios/app/racetools/id1578074779/reviews)** |
| Number of ratings | **1K** | 86 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#140** | — |
| Size | 4 MB | 38 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rate Of Climb Industries](https://appshunter.io/developer/528748185) | [MirzaWorks LLC](https://appshunter.io/developer/1114393038) |

## What reviewers say

### Density Altitude +

[App page](https://appshunter.io/ios/app/density-altitude-plus/id994402197)

**Currently charting:** #140 Top Paid · Navigation (US App Store)

This app calculates density altitude and other atmospheric data using location, GPS, and onboard sensors. It's accurate even without a cellular connection and useful for pilots, racers, and sports enthusiasts.

**Highlights:** Density Altitude calculation, Relative Air Density (RAD), Altimeter setting, Humidity calculations, GPS and barometer integration, Location search, Offline functionality

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app for simplicity and ease of use
- 🔒 No data collected from the app
- 👍 Accurate and consistent
- 👍 Excellent for car racing
- 👍 Provides increased satellite accuracy

**What reviewers complain about**

- 🐛 GPS elevation doesn't always update reliably
- 🔧 Can't manually change location

**Reported bugs**

- GPS elevation doesn't always update reliably
- No way to set altitude

**Requested features**

- Apple Watch Widget
- Barometric pressure
- Relative humidity for current location
- Ability to manually enter values


### RaceTools

[App page](https://appshunter.io/ios/app/racetools/id1578074779)

This app provides a suite of automotive tools for car enthusiasts. It includes calculators for ethanol blends and tire sizes, a tracker for car modifications, and a locator for E85 fuel stations. Optional CarPlay support keeps essential tools accessible on the road.

**Highlights:** Ethanol Calculator for precise fuel blends, E85 station locator, Car build tracker for mods and costs, Tire size comparison tool, Optional CarPlay support

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly CarPlay add-on | $1.99 | per month |
| Monthly Subscription | $4.99 | per month |
| Yearly CarPlay add-on | $19.99 | per year |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Density Altitude + free?

Density Altitude + costs $3.99, with no in-app purchases.

### Is RaceTools free?

RaceTools is free to download, with in-app purchases available.

### Which has better reviews, Density Altitude + or RaceTools?

RaceTools is rated higher. Density Altitude + averages 4.8 out of 5 from 1K ratings, while RaceTools averages 4.9 from 86 ratings.

### Do Density Altitude + or RaceTools have ads?

Neither Density Altitude + nor RaceTools shows ads.

### Which is updated more often, Density Altitude + or RaceTools?

Density Altitude + ships an update every 4 months, and RaceTools every 3 months. Most recently, Density Altitude + was updated on September 24, 2026 and RaceTools on September 15, 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.*