# Flame Boss vs Combustion Inc.

Flame Boss and Combustion Inc. both sit at 4.6 stars, but that hides the real split: 76% of Combustion Inc.'s written reviews are positive against 36% of Flame Boss's. Flame Boss's advantage is update cadence (every 2 weeks vs every 6 weeks) and device support (4 vs 2). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for Flame Boss against 4.7 for Combustion Inc.. Both are backed by a comparable volume of ratings — 2.4K and 1.9K respectively. Written reviews are what separate them: 36% of Flame Boss's written reviews are positive against 76% of Combustion Inc.'s.

Flame Boss ships an update every 2 weeks, Combustion Inc. every 6 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Flame Boss | Combustion Inc. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (2.4K ratings)](https://appshunter.io/ios/app/flame-boss/id1210484826/reviews) | **[4.7 (1.9K ratings)](https://appshunter.io/ios/app/combustion-inc/id1658858290/reviews)** |
| Number of ratings | **2.4K** | 1.9K |
| Positive reviews | 36.3% of reviews | **76.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 106 MB | 119 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Collins Research Inc.](https://appshunter.io/developer/348695979) | [Combustion Inc.](https://appshunter.io/developer/1588334920) |

## What reviewers say

### Flame Boss

[App page](https://appshunter.io/ios/app/flame-boss/id1210484826)

Remotely monitor and control your cooking with a Wi-Fi smoker controller or thermometer. View temperature graphs, adjust settings, and receive text alerts for your pit and meat. Share your progress and save cook details for future reference.

**Highlights:** Remote temperature monitoring, Adjust set temperature, Text alerts for pit/meat, View temperature graphs, Share cooks on social media, Automatic warming temperature, Save cook notes and titles

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent temperature control
- 🚀 Seamless remote monitoring
- 👍 Great customer service
- 🚀 Reliable performance

**What reviewers complain about**

- 🐛 Connectivity issues after updates
- 🐛 Unstable app performance
- 🐛 Unreliable notifications
- 🐛 Difficulty setting up and connecting

**Reported bugs**

- App freezes and loses connection
- Inability to update temperatures and settings
- Incorrect temperature readings
- Failure to save cook history

**Requested features**

- Ability to pause/resume cooks
- Improved app UI/UX
- Faster load times
- More customization options


### Combustion Inc.

[App page](https://appshunter.io/ios/app/combustion-inc/id1658858290)

Monitor and graph real-time food temperatures during cooking. Predict exactly when your meal will be ready using advanced sensor data and a predictive engine. Receive alerts for key cooking events and ensure food safety.

**Highlights:** Real-time core, surface, and ambient temperature graphing, Predictive engine for exact 'ready' time estimation, Advanced alerts for cooking events, Food safety parameter setting, Firmware updates for accessories, Cloud connectivity for remote monitoring, Live Activity and Apple Watch support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fantastic product
- 👍 Easy to use
- 🔍 Accurate temperature readings
- 💡 Predictive cooking feature
- 🚀 Seamless app experience

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Battery life problems
- 🐛 Unreliable performance
- 🐛 Sync and pairing problems
- 🐛 App bugs and glitches

**Reported bugs**

- Thermometer disconnects during use
- App unable to stop timer
- Inaccurate temperature readings
- App unable to find device
- Firmware update issues

**Requested features**

- Cooking history and logging
- Live status widget
- Apple Watch and Dynamic Island support
- Ambient temperature alerts
- Customizable probe labeling


## Frequently asked questions

### Is Flame Boss free?

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

### Is Combustion Inc. free?

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

### Which has better reviews, Flame Boss or Combustion Inc.?

Combustion Inc. is rated higher. Flame Boss averages 4.6 out of 5 from 2.4K ratings, while Combustion Inc. averages 4.7 from 1.9K ratings.

### Do Flame Boss or Combustion Inc. have ads?

Neither Flame Boss nor Combustion Inc. shows ads.

### Which is updated more often, Flame Boss or Combustion Inc.?

Flame Boss ships an update every 2 weeks, and Combustion Inc. every 6 weeks. Most recently, Flame Boss was updated on October 29, 2026 and Combustion Inc. on October 30, 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.*