# S vs FireAlarmGuy

The clearest difference is review sentiment: FireAlarmGuy at 100% against S's 75%. FireAlarmGuy also leads on update cadence (every 2 weeks vs every 2 months). S's advantage is iOS requirement (6.0 vs 15.1). 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.

S ships an update every 2 months, FireAlarmGuy every 2 weeks. The most recent releases landed on September 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | S | FireAlarmGuy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/firealarmguy/id6742727065/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 84 MB | 15 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Honeywell International, Inc.](https://appshunter.io/developer/311222963) | [Jack Dalton](https://appshunter.io/developer/1799610315) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-quad-selector/id600801262)

This utility app allows users to select the optimal operating state for S-Quad fire sensors. It simplifies the process of setting sensor sensitivity for specific applications, enabling fixed states or time-based programming for enhanced fire detection accuracy.

**Highlights:** Select optimal sensor states, Simplify sensitivity settings, Fix sensor states, Program time-based operation, Enhance fire detection accuracy

**In-app purchases:** none


### FireAlarmGuy

[App page](https://appshunter.io/ios/app/firealarmguy/id6742727065)

This utility app provides two essential tools for fire alarm technicians. It features a calculator for determining DMX dip switch settings and a decoder for understanding battery manufacturing date codes, streamlining fieldwork.

**Highlights:** DMX Dip Switch Calculator, Battery Date Code Decoder, Device addressing assistance, Battery production date lookup, Fieldwork simplification

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is FireAlarmGuy free?

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

### Do S or FireAlarmGuy have ads?

Neither S nor FireAlarmGuy shows ads.

### Which is updated more often, S or FireAlarmGuy?

S ships an update every 2 months, and FireAlarmGuy every 2 weeks. Most recently, S was updated on September 28, 2026 and FireAlarmGuy on October 11, 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.*