# MASmobile FLEX vs NexusTech

The clearest difference is review sentiment: NexusTech at 100% against MASmobile FLEX's 0%. NexusTech also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 16, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | MASmobile FLEX | NexusTech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/nexustech/id6477272324/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 79 MB | 39 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) | [Advanced Protection Industries, Inc.](https://appshunter.io/developer/738789898) |

## 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


### NexusTech

[App page](https://appshunter.io/ios/app/nexustech/id6477272324)

This app allows alarm installers and technicians to access account details, put accounts on test, and manage various tasks from their mobile devices. It streamlines field operations for professionals in the alarm installation industry.

**Highlights:** View account information, Place accounts on test, Perform field tasks, Mobile device management, Streamlined operations

**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 NexusTech free?

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

### Do MASmobile FLEX or NexusTech have ads?

Neither MASmobile FLEX nor NexusTech shows ads.

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

MASmobile FLEX ships an update every 3 weeks, and NexusTech every 3 weeks. Most recently, MASmobile FLEX was updated on September 16, 2026 and NexusTech on August 4, 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.*