GMI Connect vs Contactus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GMI Connect
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Guardian Mobility's GMI Connect APP enables communication with the Guardian Mobility G4MX/G4 device via Bluetooth to support aircraft tracking, events and Alert reporting, to interchange device information, GPS and iridium connection status, send Mark position and Alert reporting messages, send and receive two-way free-form and pilot editable pre-formed text messages over the Iridium Satellite network. The APP also provides enhanced support for Automated Telemetry Unit (ATU) operations, aircraft triggered mapping events, Flight Data Monitoring System(FDMS) support and general device Alert and Event reporting configuration. The APP supports the User editing the pre-formed message list for personnel and operational reasons. The APP can be installed and operated in one of two modes: • Aircrew mode – This mode provides GPS/iridium/Bluetooth and G4MX Status, Text Messaging, Automatic Flight Following (AFF) tracking with configurable update rates, Mark Current Position and Alert report generation functionality and some basic configuration options. • Admin/Maint mode – This password protected mode provides the Aircrew functionality plus support for ATU operations configuration, ATU load cell calibration, External aircraft Discrete I/O configuration and trigger mapping event configuration.
Contactus
Create dynamic digital business cards that can be updated in real-time. Share them instantly via QR code or link, and always have the latest contact information. Perfect for professional networking and staying connected.
- Create living business cards
- One-tap sharing via QR or link
- Live updates for contact info
- Add photos and notes to contacts
- Multiple card identities
- Connect physical cards
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Meet Contactus, the easiest way to create, share, and manage business cards that never go out of date. Design living, customized cards that express who you are, share them instantly, and get live updates whenever your contacts change their info. No more paper cards. No more “who was that again?” moments. Just simple, smart networking. Why you’ll love Contactus Create & manage Design your own living business cards that stand out and tell your story. One-tap sharing Share instantly via QR or link, no typing, no hassle. Always up to date Get live updates when your connections change their details. Never forget people Add photos and notes to remember faces and stories. Recognize contacts again See their card and remember how you met instantly. Multiple identities Create different cards for work, side projects, or personal life. Paper card friendly Snap and connect your physical cards for easy access anywhere. Perfect for Networking events, conferences, job fairs, and anyone who loves smart, memorable connections. Privacy You decide what to share and with whom. Update once, everyone you’ve shared with stays current.
Screenshots
Verdict
The clearest difference is update cadence: Contactus at every 6 weeks against GMI Connect's every 4 months. 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.
GMI Connect ships an update every 4 months, Contactus every 6 weeks. The most recent releases landed on September 9, 2026 and June 7, 2026 respectively.
| Parameter | GMI Connect | Contactus |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 7 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Guardian Mobility, Inc | you27 ltd. |
In-app purchases
GMI Connect
No in-app purchases
Contactus
No in-app purchases








