# MobileVO2 vs MASmobile FLEX

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.

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.

## The numbers

| Metric | MobileVO2 | MASmobile FLEX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/mobilevo2/id1463190900/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 84 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Micro Key Solutions](https://appshunter.io/developer/529594515) | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) |

## What reviewers say

### MobileVO2

[App page](https://appshunter.io/ios/app/mobilevo2/id1463190900)

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.

**Highlights:** Set alarm system test mode on/off, View alarm system signals in real-time, Remote management for field technicians, Facilitates testing and maintenance

**In-app purchases:** none


### MASmobile FLEX

[App page](https://appshunter.io/ios/app/masmobile-flex/id1517999227)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MobileVO2 free?

MobileVO2 is free to download, with no in-app purchases.

### Is MASmobile FLEX free?

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

### Do MobileVO2 or MASmobile FLEX have ads?

Neither MobileVO2 nor MASmobile FLEX shows ads.

### Which is updated more often, MobileVO2 or MASmobile FLEX?

MobileVO2 ships an update every 9 months, and MASmobile FLEX every 3 weeks. Most recently, MobileVO2 was updated on October 12, 2026 and MASmobile FLEX on October 15, 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.*