# Xavion vs ParkingDrop

The clearest difference is in-app purchases: ParkingDrop at none against Xavion's 2. Xavion's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Xavion sells 2 in-app purchases, starting at $9.99 per month. ParkingDrop asks for nothing beyond the download.

Xavion ships an update every 4 days, ParkingDrop every 8 days. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Xavion | ParkingDrop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (100 ratings)](https://appshunter.io/ios/app/xavion/id574203838/reviews)** | — |
| Number of ratings | **100** | — |
| Positive reviews | 69.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 8 days |
| Monetization | Free with in-app purchases | — |
| Size | 3.5 GB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [X-Avionics, LLC](https://appshunter.io/developer/574203841) | [Furkan Caliskan](https://appshunter.io/developer/6792057398) |

## What reviewers say

### Xavion

[App page](https://appshunter.io/ios/app/xavion/id574203838)

This app provides critical in-flight guidance for engine failures, calculating safe glide routes to airports. It also offers 3D instrument approaches, tracks aircraft and their wake turbulence, and displays real-time weather data. Additionally, it assists with pre-flight planning, weight and balance calculations, and takeoff performance analysis.

**Highlights:** Engine-out glide path calculation, 3D instrument approaches, ADS-B aircraft and wake turbulence tracking, Real-time ADS-B weather display, Weight and balance calculations, Takeoff distance estimation, Enroute time and fuel burn estimation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Airport, Chart, and Plate Data | $9.99 | per month |
| Airport, Chart, and Plate Data | $99.99 | per year |

**What reviewers like**

- 💡 Revolutionary emergency glide guidance to nearest airport
- 🛡️ Life-saving safety feature for engine-out scenarios
- 📊 Accurate synthetic vision and attitude indicator
- 🎯 Excellent integration with X-Plane simulator
- ⚖️ Comprehensive weight and balance calculations

**What reviewers complain about**

- 💰 Expensive subscription model after initial purchase
- 🌍 Limited to USA only (no EU/UK/Australia support)
- 📱 Not compatible with newer iPhones (notch/no home button)
- 📦 Extremely large app size (3.6GB+ updates)
- 🧩 Complex and confusing user interface

**Reported bugs**

- App crashes when adding new airports
- Flight recording stops during touch-and-go landings
- Runway guidance sometimes hidden by terrain or trees
- Approach procedure turn opposite of plate indication
- App freezes entire iPad when trial period expires

**Requested features**

- Support for EU, UK, and international regions
- Canadian VFR charts and airport data
- iPhone X and newer device compatibility
- Custom waypoint addition for VFR flight plans
- Multiple flight plan legs support


### ParkingDrop

[App page](https://appshunter.io/ios/app/parkingdrop/id6792286476)

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

**In-app purchases:** none


## Frequently asked questions

### Is Xavion free?

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

### Is ParkingDrop free?

ParkingDrop is free to download, with no in-app purchases.

### Do Xavion or ParkingDrop have ads?

Neither Xavion nor ParkingDrop shows ads.

### Which is updated more often, Xavion or ParkingDrop?

Xavion ships an update every 4 days, and ParkingDrop every 8 days. Most recently, Xavion was updated on October 20, 2026 and ParkingDrop on October 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.*