# AutoDens vs WindCheck

The clearest difference is update cadence: WindCheck at every 6 days against AutoDens's every 15 months. AutoDens's advantage is iOS requirement (7.1 vs 15.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. AutoDens sells 1 one-off in-app purchase and WindCheck sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for AutoDens against 4.9 for WindCheck. Both are backed by a comparable volume of ratings — 184 and 164 respectively. Written reviews are what separate them: 89% of AutoDens's written reviews are positive against 94% of WindCheck's.

AutoDens ships an update every 15 months, WindCheck every 6 days. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | AutoDens | WindCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (184 ratings)](https://appshunter.io/ios/app/autodens/id560993349/reviews) | **[4.9 (164 ratings)](https://appshunter.io/ios/app/windcheck/id892063425/reviews)** |
| Number of ratings | **184** | 164 |
| Positive reviews | 89.5% of reviews | **93.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 160 MB |
| Requires iOS | **7.1** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Optobyte AG](https://appshunter.io/developer/359670371) | [LycheeApps Inc.](https://appshunter.io/developer/1491686290) |

## What reviewers say

### AutoDens

[App page](https://appshunter.io/ios/app/autodens/id560993349)

This app automatically calculates air density, relative humidity, and air pressure using real-time internet data. It provides essential meteorological information for engines and aircraft, including location, temperature, and dewpoint.

**Highlights:** Automatic, airport, and manual modes, Real-time location and weather data, METAR data from nearest airports, Calculates density altitude and pressure altitude, Supports custom units, Extensive airport database

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 🚀 Fast and efficient calculations
- 👍 Easy to use interface
- ✅ Accurate and reliable
- 💡 Useful for flight preparation
- 👍 Great for pilots

**What reviewers complain about**

- 🐛 Outdated information
- 🐛 Inconsistent pressure altitude readings
- 🐛 Zeros elevation automatically
- 🐛 Ads cannot be removed despite purchase
- 🐛 Automatic pressure incorrect

**Reported bugs**

- Outdated identifier (K00V instead of KFLY)
- Inconsistent Pressure Altitude readings on different phones
- App zeros elevation every time
- Ads not removed after purchase
- Automatic pressure incorrect in automatic mode

**Requested features**

- Include a cloud base calculator
- Make app Android compatible
- Output deviation to international standard atmosphere
- Allow setting favorite airports
- Show calculation formulas


### WindCheck

[App page](https://appshunter.io/ios/app/windcheck/id892063425)

This application provides pilots with essential flight planning and navigation tools. It offers global weather data, airport information, and real-time traffic updates. Access runway diagrams, procedure charts, and a smart compass for enhanced situational awareness.

**Highlights:** Global METARs and TAFs, TFRs and NOTAMs, 3D Bird's Eye runway view, Airport diagrams and charts, VFR/IFR sectionals (US), Live ADS-B traffic, Offline airport data

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| U.S. Pilot (monthly) | $4.99 | per month |
| U.S. Pilot (annual) | $49.99 | per year |


## Frequently asked questions

### Is AutoDens free?

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

### Is WindCheck free?

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

### Which has better reviews, AutoDens or WindCheck?

WindCheck is rated higher. AutoDens averages 4.8 out of 5 from 184 ratings, while WindCheck averages 4.9 from 164 ratings.

### Do AutoDens or WindCheck have ads?

Neither AutoDens nor WindCheck shows ads.

### Which is updated more often, AutoDens or WindCheck?

AutoDens ships an update every 15 months, and WindCheck every 6 days. Most recently, AutoDens was updated on September 26, 2026 and WindCheck on September 23, 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.*