MobileVO2 vs MASmobile FLEX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MobileVO2
This business tool enables field technicians to remotely manage alarm system test modes. It allows users to turn test mode on or off and view alarm signals in real-time, facilitating efficient testing and maintenance operations.
- Set alarm system test mode on/off
- View alarm system signals in real-time
- Remote management for field technicians
- Facilitates testing and maintenance
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This is the Micro Key Software Inc. App for field techs Allows to set Alarm Systems Test Mode On/Off for Testing and Maintenance See alarm system signals on real time
MASmobile FLEX
Manage customer data, place systems on or off test, and view event and zone history from a mobile device. This app requires MASterMind EX services and is designed for authorized central station personnel and dealers.
- Manage customer data
- Place systems on/off test
- View system event history
- View test history
- View system zones
- Light and dark interface styles
- Biometric login support
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MASmobile FLEX is intended for use by customers of MASterMind and requires MASterMind EX services. MASmobile FLEX allows authorized central station personnel and dealers to manage customer data, place systems on or off test, view system event history, test history, and system zones, using a mobile device. MASmobile FLEX requires MASterMind EX services to connect to your central station database. MASmobile FLEX has undergone a complete redesign from the ground up. The app features a new user interface as well as an enhanced user experience. The app also supports light and dark interface styles. In addition, the app has been redesigned to work exclusively with MASterMind EX services to connect to your central station database. Enhanced security using OAuth Session Management and biometric login support has also been added to the app. Improvements to session management, abandoned session handling, and password reset management are also included.
Screenshots
Verdict
The clearest difference is review sentiment: MobileVO2 at 50% against MASmobile FLEX's 0%. MobileVO2 also leads on iOS requirement (11.0 vs 15.0). MASmobile FLEX's advantage is update cadence (every 3 weeks vs every 9 months). On price, ads, in-app purchases and monetization model 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.
MobileVO2 ships an update every 9 months, MASmobile FLEX every 3 weeks. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.
| Parameter | MobileVO2 | MASmobile FLEX |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 9 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 34 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Micro Key Solutions | Honeywell International, Inc. |
Customer experience
MobileVO2
MASmobile FLEX
In-app purchases
MobileVO2
No in-app purchases
MASmobile FLEX
No in-app purchases
