# FlyQ+ EFB vs Density Altitude +

The clearest difference is price: FlyQ+ EFB at Free against Density Altitude +'s $3.99. FlyQ+ EFB also leads on update cadence (every 2 months vs every 4 months). Density Altitude +'s advantage is rating (4.8 vs 4.1) and in-app purchases (none vs 15). On ratings volume, ads, chart position and device support there is nothing between them.

FlyQ+ EFB is free to download; Density Altitude + costs $3.99 up front. FlyQ+ EFB sells 15 one-off in-app purchases. Density Altitude + asks for nothing beyond the download.

Density Altitude + holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 892 and 1K respectively. Written reviews point the same way: 72% of FlyQ+ EFB's written reviews are positive against 88% of Density Altitude +'s.

FlyQ+ EFB ships an update every 2 months, Density Altitude + every 4 months. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | FlyQ+ EFB | Density Altitude + |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.1 (892 ratings)](https://appshunter.io/ios/app/flyq-plus-efb/id915571252/reviews) | **[4.8 (1K ratings)](https://appshunter.io/ios/app/density-altitude-plus/id994402197/reviews)** |
| Number of ratings | 892 | **1K** |
| Positive reviews | 71.6% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | #184 | **#139** |
| Size | 494 MB | 4 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seattle Avionics, Inc.](https://appshunter.io/developer/488201923) | [Rate Of Climb Industries](https://appshunter.io/developer/528748185) |

## What reviewers say

### FlyQ+ EFB

[App page](https://appshunter.io/ios/app/flyq-plus-efb/id915571252)

**Currently charting:** #184 Top Grossing · Navigation (US App Store)

This aviation app simplifies flying with integrated features like a glide ring, graphical weather, and a detailed global map. It offers advanced weather analysis, augmented reality situational awareness, and wireless data transfer to certified avionics. Track flights, analyze performance, and receive GPS anomaly detection for enhanced safety.

**Highlights:** Global Digital Map with adjustable detail, 4D Predictive Weather analysis, Augmented Reality (AR) situational awareness, Wireless data transfer to certified avionics, Visual Logbook and Post Flight Playback, NaviGuard GPS anomaly detection

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| US IFR 1 month upgrade | $8.99 | one-time |
| US IFR 2 month upgrade | $17.99 | one-time |
| US IFR 3 month upgrade | $24.99 | one-time |
| US IFR 4 month upgrade | $34.99 | one-time |
| US IFR 5 month upgrade | $44.99 | one-time |
| US IFR 6 month upgrade | $49.99 | one-time |
| US IFR 7 month upgrade | $59.99 | one-time |
| US IFR 8 month upgrade | $69.99 | one-time |
| US IFR 9 month upgrade | $79.99 | one-time |
| US IFR 10 month upgrade | $89.99 | one-time |
| US IFR 11 month upgrade | $99.99 | one-time |
| US VFR 12 month subscription | $99.99 | one-time |
| US IFR 12 month upgrade | $109.99 | one-time |
| US IFR 13 month upgrade | $109.99 | one-time |
| US VFR and IFR 12 month subscription | $199.99 | one-time |


### Density Altitude +

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

**Currently charting:** #139 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


## Frequently asked questions

### Is FlyQ+ EFB free?

FlyQ+ EFB is free to download, with in-app purchases available.

### Is Density Altitude + free?

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

### Which has better reviews, FlyQ+ EFB or Density Altitude +?

Density Altitude + is rated higher. FlyQ+ EFB averages 4.1 out of 5 from 892 ratings, while Density Altitude + averages 4.8 from 1K ratings.

### Do FlyQ+ EFB or Density Altitude + have ads?

Neither FlyQ+ EFB nor Density Altitude + shows ads.

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

FlyQ+ EFB ships an update every 2 months, and Density Altitude + every 4 months. Most recently, FlyQ+ EFB was updated on September 21, 2026 and Density Altitude + on September 24, 2026.

### Which is more popular, FlyQ+ EFB or Density Altitude +?

FlyQ+ EFB currently peaks at #184 in the App Store charts, and Density Altitude + at #139. 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.*