VC controller vs MachDB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VC controller
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VCA Controller (VivusCardio AED Trainer Controller) is a dedicated remote control app developed by Innosonian for the AED Trainer. It enables instructors to remotely control the AED Trainer easily and quickly, providing a realistic training environment that simulates real-life emergency situations. - Key Features - Scenario-Based Training - Practice using a variety of training scenarios that reflect real emergency situations - Real-Time Event Control - Set and control unexpected emergency events remotely during training - Multilingual Voice Guidance & Volume Control - Select the appropriate language and adjust voice prompt volume to suit the training environment - Multi-Device AED Trainer Connection - Connect multiple AED Trainers simultaneously for efficient group training - Recommended For - Instructors and institutions conducting AED training - Educators seeking scenario-based emergency training - Instructors and training centers using Brayden CPR manikins
MachDB
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.
- 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
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MachDB allows you to download and transfer Garmin avionics database updates to an SD card in seconds using your iPhone or iPad for fast updates in the field. All you need is your iPhone or iPad and a standard USB-C SD card reader. No proprietary hardware required! Download fast over Wi-Fi or Cellular connections. MachDB is compatible with all modern Garmin avionics that use SD cards or USB keys for database updates, using your existing Jeppesen or Garmin database account. Supported avionics include: -Garmin G1000, G1000 Nxi, Perspective and Perspective + -Garmin G3000 and Perspective Touch -Garmin GTN 600 and 700 Xi -Garmin G500, G600 and G700 -Garmin G3X and G2000 -Garmin GI 275 Supported Database Providers: -Jeppesen -Garmin
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | VC controller | MachDB |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Innosonian Inc. | MachDB LLC |
In-app purchases
VC controller
No in-app purchases
MachDB
No in-app purchases









