# SedonaFSU vs MASmobile FLEX

The clearest difference is update cadence: MASmobile FLEX at every 3 weeks against SedonaFSU's every 6 weeks. SedonaFSU's advantage is review sentiment (11% vs 0%) and iOS requirement (12.1 vs 15.0). 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.

SedonaFSU ships an update every 6 weeks, MASmobile FLEX every 3 weeks. Both last shipped on October 23, 2026.

## The numbers

| Metric | SedonaFSU | MASmobile FLEX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (49 ratings)](https://appshunter.io/ios/app/sedonafsu/id789934932/reviews)** | — |
| Number of ratings | **49** | — |
| Positive reviews | **11.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 7 MB | 84 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Perennial Software](https://appshunter.io/developer/789934935) | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) |

## What reviewers say

### SedonaFSU

[App page](https://appshunter.io/ios/app/sedonafsu/id789934932)

This app provides field technicians with instant access to inventory, billing, and other critical data. It integrates with the iPad calendar for schedules and appointments, and allows viewing appointments on maps for enhanced productivity.

**Highlights:** View and update inventory, Update billing data, Access business data instantly, Upload schedules to iPad Calendar, View appointments on maps

**Features:** macOS Compatibility

**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 SedonaFSU free?

SedonaFSU 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 SedonaFSU or MASmobile FLEX have ads?

Neither SedonaFSU nor MASmobile FLEX shows ads.

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

SedonaFSU ships an update every 6 weeks, and MASmobile FLEX every 3 weeks. Most recently, SedonaFSU was updated on October 23, 2026 and MASmobile FLEX on October 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*