# Sky vs Aviate AX1

The clearest difference is iOS requirement: Sky at 15.0 against Aviate AX1's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sky sells 10 one-off in-app purchases and Aviate AX1 sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Sky ships an update monthly, Aviate AX1 every 3 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sky | Aviate AX1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/sky-map/id351854972/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 82.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 119 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RS-Datentechnik](https://appshunter.io/developer/351854975) | [IO Aeronautical Autonomy Labs Inc](https://appshunter.io/developer/1795282491) |

## What reviewers say

### Sky

[App page](https://appshunter.io/ios/app/sky-map/id351854972)

This app provides a moving map display for aviation charts, enabling flight planning, route management, and calculation of flight parameters. It includes features like airspace warnings, terrain overlay, and a logbook function for automatic flight recording. Additional charts and weather data may require separate purchases.

**Highlights:** Moving map display on aviation charts, Flight planning and route management, Distance, flight time, and fuel calculations, Airspace and terrain warnings, Automatic logbook and track recording, Approach and airport chart display

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ICAO Chart Austria 2020 | $49.99 | one-time |
| ICAO Chart Poland 2020 | $79.99 | one-time |
| ICAO Chart Germany 2024 | $99.00 | one-time |
| ICAO Karte Deutschland 2025 | $99.00 | one-time |
| ICAO Chart Germany 2023 | $99.99 | one-time |
| ICAO Chart Great Britain 2020 | $119.99 | one-time |
| ICAO Chart Norway 2020 | $119.99 | one-time |
| ICAO Chart Sweden 2020 | $119.99 | one-time |
| ICAO Chart Germany 2021 | $119.99 | one-time |
| ICAO Karte Deutschland 2022 | $119.99 | one-time |


### Aviate AX1

[App page](https://appshunter.io/ios/app/aviate-ax1/id6742650992)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AX1 Monthly Subscription | $9.99 | per month |


## Frequently asked questions

### Is Sky free?

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

### Is Aviate AX1 free?

Aviate AX1 is free to download, with in-app purchases available.

### Do Sky or Aviate AX1 have ads?

Neither Sky nor Aviate AX1 shows ads.

### Which is updated more often, Sky or Aviate AX1?

Sky ships an update monthly, and Aviate AX1 every 3 weeks. Most recently, Sky was updated on November 1, 2026 and Aviate AX1 on October 30, 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.*