# Flame Detector vs 3R

The clearest difference is review sentiment: Flame Detector at 100% against 3R's 25%. Flame Detector also leads on rating (5.0 vs 2.7) and device support (3 vs 1). 3R's advantage is ratings volume (18 vs 4). 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.

Flame Detector holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 4 and 18 respectively. Written reviews point the same way: 100% of Flame Detector's written reviews are positive against 25% of 3R's.

Flame Detector ships an update every 3 months, 3R every 2 months. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Flame Detector | 3R |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/flame-detector/id1659376880/reviews)** | [2.7 (18 ratings)](https://appshunter.io/ios/app/3r-installer/id6464381752/reviews) |
| Number of ratings | 4 | **18** |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 20 MB | 24 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Forge Technologies, Inc (NC)](https://appshunter.io/developer/1467618783) | [Third Reality, Inc](https://appshunter.io/developer/1225620424) |

## What reviewers say

### Flame Detector

[App page](https://appshunter.io/ios/app/flame-detector/id1659376880)

This app offers advanced flame detection for your home, alerting you to fires hundreds of times faster than traditional smoke alarms. It's designed for spaces where flames should never be, providing instant notifications to your smart device.

**Highlights:** Detects flame hundreds of times faster than smoke alarms, Instant alerts to smart devices, Monitors spaces where flames should not exist, Designed for bedrooms, playrooms, and garages, Provides real-time fire notifications

**In-app purchases:** none


### 3R

[App page](https://appshunter.io/ios/app/3r-installer/id6464381752)

Easily connect and control your Matter-compatible smart home devices. Customize device settings and receive software updates to enhance your smart living experience.

**Highlights:** Connect Matter-compatible devices, Customize device attributes, Manage software upgrades, Simplify smart home setup, Enhance smart living

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

**In-app purchases:** none


## Frequently asked questions

### Is Flame Detector free?

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

### Is 3R free?

3R is free to download, with no in-app purchases.

### Which has better reviews, Flame Detector or 3R?

Flame Detector is rated higher. Flame Detector averages 5.0 out of 5 from 4 ratings, while 3R averages 2.7 from 18 ratings.

### Do Flame Detector or 3R have ads?

Neither Flame Detector nor 3R shows ads.

### Which is updated more often, Flame Detector or 3R?

Flame Detector ships an update every 3 months, and 3R every 2 months. Most recently, Flame Detector was updated on September 10, 2026 and 3R on September 9, 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.*