# TwoBaseTen vs FireAlarmGuy

The clearest difference is rating: FireAlarmGuy at 5.0 against TwoBaseTen's 4.4. FireAlarmGuy also leads on update cadence (every 2 weeks vs every 6 months) and review sentiment (100% vs 86%). TwoBaseTen's advantage is ratings volume (37 vs 2) and iOS requirement (12.0 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.

FireAlarmGuy holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: TwoBaseTen has 37 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 86% of TwoBaseTen's written reviews are positive against 100% of FireAlarmGuy's.

TwoBaseTen ships an update every 6 months, FireAlarmGuy every 2 weeks. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | TwoBaseTen | FireAlarmGuy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (37 ratings)](https://appshunter.io/ios/app/twobaseten-binary-converter/id1448632258/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/firealarmguy/id6742727065/reviews)** |
| Number of ratings | **37** | 2 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 7 MB | 15 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Giddyonics, LLC](https://appshunter.io/developer/1161282058) | [Jack Dalton](https://appshunter.io/developer/1799610315) |

## What reviewers say

### TwoBaseTen

[App page](https://appshunter.io/ios/app/twobaseten-binary-converter/id1448632258)

Easily convert between decimal and binary number systems with a simple interface. Supports pasting input and copying output for quick operations. Ideal for quick calculations without complex features.

**Highlights:** Decimal to binary conversion, Binary to decimal conversion, Paste numbers to input, Copy output numbers, Switch modes with arrow tap

**Features:** macOS Compatibility, Vision Pro support

**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 TwoBaseTen free?

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

### Is FireAlarmGuy free?

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

### Which has better reviews, TwoBaseTen or FireAlarmGuy?

FireAlarmGuy is rated higher. TwoBaseTen averages 4.4 out of 5 from 37 ratings, while FireAlarmGuy averages 5.0 from 2 ratings.

### Do TwoBaseTen or FireAlarmGuy have ads?

Neither TwoBaseTen nor FireAlarmGuy shows ads.

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

TwoBaseTen ships an update every 6 months, and FireAlarmGuy every 2 weeks. Most recently, TwoBaseTen was updated on October 5, 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.*