# smartGEM by Guardian Avionics

> smartGEM by Guardian Avionics (iPhone/iPad app by Co guardian llc.)

- Source: https://appshunter.io/ios/app/smartgem-by-guardian-avionics/id816232451 (this page in markdown: same URL + `.md`)
- Developer: [Co guardian llc](https://appshunter.io/developer/599071177)
- Category: Utilities, Navigation
- Price: Free
- Age rating: 4+
- Requires: iOS 11.0 · 116 MB
- Languages: English
- Released: 2014-02-11
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/smartgem-by-guardian-avionics/id816232451/reviews.md

## What is smartGEM by Guardian Avionics?

Bluetooth connects JPI Engine instruments (730/740/830 and 930) for private Aircraft.  This app will connect to Guardian Avionics Model 454 on board the aircraft.  Once connected, the pilot can see his real time engine instruments like voltage, RPM, EGT, CHT, Fuel Burn flow…etc.  In addition the pilot will receive live data of flight plan and time to distance with the fuel required.


## Version history (last 5 releases)

### 2.3 — 2021-11-17

Minor Bug Fixes.

### 2.2 — 2019-05-29

- Update Engine UI

### 2.1 — 2018-08-20

Bug fixes
Performance improvements

### 2.0 — 2016-03-15

Added support for iPad Pro
App is compatible in multitasking mode
Minor bug fixes

### 1.0 — 2014-02-10

No release notes.

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## More apps by Co guardian llc

- [smartMFD by Guardian Avionics](https://appshunter.io/ios/app/smartmfd-by-guardian-avionics/id599071174)
- [GAV Passenger GPS Connect](https://appshunter.io/ios/app/gav-passenger-gps-connect/id798544777)
- [GAV Passenger GPS-Pro Connect](https://appshunter.io/ios/app/gav-passenger-gps/id849471601)
- [Guardian Pilot HR and Oxygen](https://appshunter.io/ios/app/guardian-pilot-hr-and-oxygen/id6473526899)

All apps by Co guardian llc: https://appshunter.io/developer/599071177

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*