# MASmobile FLEX vs SONITROL CORE Setup

The clearest difference is update cadence: MASmobile FLEX at every 3 weeks against SONITROL CORE Setup's every 5 months. SONITROL CORE Setup's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MASmobile FLEX ships an update every 3 weeks, SONITROL CORE Setup every 5 months. The most recent releases landed on September 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | MASmobile FLEX | SONITROL CORE Setup |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 79 MB | 80 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) | [3xLOGIC Systems Inc.](https://appshunter.io/developer/592765498) |

## What reviewers say

### 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


### SONITROL CORE Setup

[App page](https://appshunter.io/ios/app/sonitrol-core-setup/id6461309164)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MASmobile FLEX free?

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

### Is SONITROL CORE Setup free?

SONITROL CORE Setup is free to download, with no in-app purchases.

### Do MASmobile FLEX or SONITROL CORE Setup have ads?

Neither MASmobile FLEX nor SONITROL CORE Setup shows ads.

### Which is updated more often, MASmobile FLEX or SONITROL CORE Setup?

MASmobile FLEX ships an update every 3 weeks, and SONITROL CORE Setup every 5 months. Most recently, MASmobile FLEX was updated on September 16, 2026 and SONITROL CORE Setup on September 26, 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.*