# Viessmann Access vs NTI net

The clearest difference is update cadence: NTI net at monthly against Viessmann Access's every 4 months. 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.

Viessmann Access ships an update every 4 months, NTI net monthly. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Viessmann Access | NTI net |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (79 ratings)](https://appshunter.io/ios/app/nti-net/id1575731502/reviews)** |
| Number of ratings | — | **79** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 52 MB | 111 MB |
| Requires iOS | **12** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Viessmann IT Service GmbH](https://appshunter.io/developer/1801739683) | [Ariston SpA](https://appshunter.io/developer/549126466) |

## What reviewers say

### Viessmann Access

[App page](https://appshunter.io/ios/app/viessmann-access/id1533222623)

**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 Viessmann Access free?

Viessmann Access 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 Viessmann Access or NTI net have ads?

Neither Viessmann Access nor NTI net shows ads.

### Which is updated more often, Viessmann Access or NTI net?

Viessmann Access ships an update every 4 months, and NTI net monthly. Most recently, Viessmann Access was updated on October 11, 2026 and NTI net on October 21, 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.*