# Sauermann Combustion vs NTI net

The clearest difference is ads: NTI net at none against Sauermann Combustion's shown. NTI net also leads on update cadence (monthly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Sauermann Combustion ships an update every 2 months, NTI net monthly. The most recent releases landed on September 17, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Sauermann Combustion | NTI net |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (73 ratings)](https://appshunter.io/ios/app/nti-net/id1575731502/reviews)** |
| Number of ratings | — | **73** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 110 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAUERMANN INDUSTRIE](https://appshunter.io/developer/1169513729) | [Ariston SpA](https://appshunter.io/developer/549126466) |

## What reviewers say

### Sauermann Combustion

[App page](https://appshunter.io/ios/app/sauermann-combustion/id1520008258)

**Features:** macOS Compatibility

**In-app purchases:** none


### NTI net

[App page](https://appshunter.io/ios/app/nti-net/id1575731502)

Control your home's heating system remotely for enhanced comfort and energy savings. Receive system failure notifications and opt for 24/7 professional assistance with an optional Pro subscription.

**Highlights:** Remote boiler and heat pump control, Temperature adjustment, Energy saving optimization, System failure notifications, 24/7 technical assistance (Pro)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sauermann Combustion free?

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

### Is NTI net free?

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

### Do Sauermann Combustion or NTI net have ads?

Sauermann Combustion shows ads; NTI net does not.

### Which is updated more often, Sauermann Combustion or NTI net?

Sauermann Combustion ships an update every 2 months, and NTI net monthly. Most recently, Sauermann Combustion was updated on September 17, 2026 and NTI net on September 4, 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.*