# Density Altitude + vs FlightReady E6B

The clearest difference is price: Density Altitude + at $3.99 against FlightReady E6B's $7.99. Density Altitude + also leads on iOS requirement (13.0 vs 18.6). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

Density Altitude + costs $3.99 and FlightReady E6B $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Density Altitude + against 4.7 for FlightReady E6B. Both are backed by a comparable volume of ratings — 1K and 1.1K respectively. Written reviews are what separate them: 88% of Density Altitude +'s written reviews are positive against 85% of FlightReady E6B's.

Density Altitude + ships an update every 4 months, FlightReady E6B every 3 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Density Altitude + | FlightReady E6B |
| --- | --- | --- |
| Price | **$3.99** | $7.99 |
| Rating | **[4.8 (1K ratings)](https://appshunter.io/ios/app/density-altitude-plus/id994402197/reviews)** | [4.7 (1.1K ratings)](https://appshunter.io/ios/app/flightready-e6b/id999497481/reviews) |
| Number of ratings | 1K | **1.1K** |
| Positive reviews | **87.5% of reviews** | 85.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free** | Paid |
| Best chart rank | **#80** | #117 |
| Size | 4 MB | 9 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rate Of Climb Industries](https://appshunter.io/developer/528748185) | [Aeroapps Technology](https://appshunter.io/developer/923860276) |

## What reviewers say

### Density Altitude +

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

**Currently charting:** #80 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


### FlightReady E6B

[App page](https://appshunter.io/ios/app/flightready-e6b/id999497481)

**Currently charting:** #117 Top Paid · Navigation (US App Store)

This aviation utility provides over 100 functions, conversions, and utilities for pilots. It offers accurate calculations for flight planning, performance, navigation, and aerodynamics, surpassing other E6B apps with its comprehensive and precise scientific formulas.

**Highlights:** Over 100 aviation functions, Accurate scientific formulas, Flight planning calculations, Performance metrics, Navigation tools, Extensive unit conversions, Weight & Balance calculations

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient calculations
- 💡 Useful features for pilots
- 👍 Intuitive interface
- 👍 Saves time during flight planning

**What reviewers complain about**

- 🐛 Pressure conversion issues
- 🐛 App crashes
- 🐛 Calculation problems
- 🐛 Lack of seconds in time measurements

**Reported bugs**

- Fuel computation functions crashing
- New extra functions not working

**Requested features**

- Add wind correction angle calculation
- Include seconds in time measurements
- Provide user manual or instructions


## Frequently asked questions

### Is Density Altitude + free?

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

### Is FlightReady E6B free?

FlightReady E6B costs $7.99, with no in-app purchases.

### Which has better reviews, Density Altitude + or FlightReady E6B?

Density Altitude + is rated higher. Density Altitude + averages 4.8 out of 5 from 1K ratings, while FlightReady E6B averages 4.7 from 1.1K ratings.

### Do Density Altitude + or FlightReady E6B have ads?

Neither Density Altitude + nor FlightReady E6B shows ads.

### Which is updated more often, Density Altitude + or FlightReady E6B?

Density Altitude + ships an update every 4 months, and FlightReady E6B every 3 months. Most recently, Density Altitude + was updated on September 24, 2026 and FlightReady E6B on September 22, 2026.

### Which is more popular, Density Altitude + or FlightReady E6B?

Density Altitude + currently peaks at #80 in the App Store charts, and FlightReady E6B at #117. Chart position reflects recent download velocity rather than total install base.

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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.*