# VC controller vs MachDB

The clearest difference is update cadence: MachDB at every 2 weeks against VC controller's every 4 months. VC controller's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

VC controller ships an update every 4 months, MachDB every 2 weeks. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | VC controller | MachDB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/machdb/id6757681004/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 3 MB | 16 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Innosonian Inc.](https://appshunter.io/developer/1345888426) | [MachDB LLC](https://appshunter.io/developer/1868240819) |

## What reviewers say

### VC controller

[App page](https://appshunter.io/ios/app/vc-controller/id6746032821)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 VC controller free?

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

### Is MachDB free?

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

### Do VC controller or MachDB have ads?

Neither VC controller nor MachDB shows ads.

### Which is updated more often, VC controller or MachDB?

VC controller ships an update every 4 months, and MachDB every 2 weeks. Most recently, VC controller was updated on September 29, 2026 and MachDB on October 8, 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.*