# Airvix vs MachDB

The clearest difference is in-app purchases: MachDB at none against Airvix's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Airvix sells 2 in-app purchases, starting at $1.99 per month. MachDB asks for nothing beyond the download.

Airvix ships an update every 3 weeks, MachDB fortnightly. The most recent releases landed on September 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Airvix | MachDB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/machdb/id6757681004/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 67 MB | 18 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Bogdanovic](https://appshunter.io/developer/1760390980) | [MachDB LLC](https://appshunter.io/developer/1868240819) |

## What reviewers say

### Airvix

[App page](https://appshunter.io/ios/app/airvix-flight-plan-and-log/id6593708522)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annually | $19.99 | per year |


### MachDB

[App page](https://appshunter.io/ios/app/machdb/id6757681004)

Easily download and transfer Garmin avionics database updates to an SD card using your iPhone or iPad. This app supports a wide range of Garmin avionics and requires only a standard USB-C SD card reader. Updates are fast and convenient for field use.

**Highlights:** Download Garmin database updates, Transfer updates to SD card, iPhone and iPad compatible, Supports various Garmin avionics, Uses standard USB-C SD card reader, Fast Wi-Fi/Cellular downloads

**In-app purchases:** none


## Frequently asked questions

### Is Airvix free?

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

### Is MachDB free?

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

### Do Airvix or MachDB have ads?

Neither Airvix nor MachDB shows ads.

### Which is updated more often, Airvix or MachDB?

Airvix ships an update every 3 weeks, and MachDB fortnightly. Most recently, Airvix was updated on September 15, 2026 and MachDB on October 25, 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.*