# Combustion Inc. vs Right Slice Pizza

The clearest difference is update cadence: Right Slice Pizza at every 3 weeks against Combustion Inc.'s every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Combustion Inc. ships an update every 6 weeks, Right Slice Pizza every 3 weeks. The most recent releases landed on October 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Combustion Inc. | Right Slice Pizza |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.9K ratings)](https://appshunter.io/ios/app/combustion-inc/id1658858290/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 76.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 119 MB | 23 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Combustion Inc.](https://appshunter.io/developer/1588334920) | [ZingMyOrder LLC](https://appshunter.io/developer/1489810294) |

## What reviewers say

### 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


### Right Slice Pizza

[App page](https://appshunter.io/ios/app/right-slice-pizza/id6764306538)

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

**In-app purchases:** none


## Frequently asked questions

### Is Combustion Inc. free?

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

### Is Right Slice Pizza free?

Right Slice Pizza is free to download, with no in-app purchases.

### Do Combustion Inc. or Right Slice Pizza have ads?

Neither Combustion Inc. nor Right Slice Pizza shows ads.

### Which is updated more often, Combustion Inc. or Right Slice Pizza?

Combustion Inc. ships an update every 6 weeks, and Right Slice Pizza every 3 weeks. Most recently, Combustion Inc. was updated on October 30, 2026 and Right Slice Pizza on October 2, 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.*