# NMWC SMART vs Combustion Inc.

The clearest difference is rating: Combustion Inc. at 4.7 against NMWC SMART's 1.0. Combustion Inc. also leads on ratings volume (1.9K vs 1) and update cadence (every 6 weeks vs every 8 months). NMWC SMART's advantage is iOS requirement (10.0 vs 16.0). 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.

Combustion Inc. holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Combustion Inc. has 1.9K ratings behind it against 1, so its average is the more settled of the two.

NMWC SMART ships an update every 8 months, Combustion Inc. every 6 weeks. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | NMWC SMART | Combustion Inc. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/nmwc-smart/id1543883323/reviews) | **[4.7 (1.9K ratings)](https://appshunter.io/ios/app/combustion-inc/id1658858290/reviews)** |
| Number of ratings | 1 | **1.9K** |
| Positive reviews | — | 76.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 38 MB | 119 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [National Mineral Water CO SAOG](https://appshunter.io/developer/1521416924) | [Combustion Inc.](https://appshunter.io/developer/1588334920) |

## What reviewers say

### NMWC SMART

[App page](https://appshunter.io/ios/app/nmwc-smart/id1543883323)

This application offers a streamlined method for receiving water. It aims to provide a smarter and more convenient way to manage water deliveries.

**Highlights:** Smarter water delivery, Convenient management, Streamlined service

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 NMWC SMART free?

NMWC SMART 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, NMWC SMART or Combustion Inc.?

Combustion Inc. is rated higher. NMWC SMART averages 1.0 out of 5 from 1 ratings, while Combustion Inc. averages 4.7 from 1.9K ratings.

### Do NMWC SMART or Combustion Inc. have ads?

Neither NMWC SMART nor Combustion Inc. shows ads.

### Which is updated more often, NMWC SMART or Combustion Inc.?

NMWC SMART ships an update every 8 months, and Combustion Inc. every 6 weeks. Most recently, NMWC SMART was updated on October 7, 2026 and Combustion Inc. on October 15, 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.*