# Zilmet Sizing vs NTI net

The clearest difference is rating: Zilmet Sizing at 5.0 against NTI net's 4.5. Zilmet Sizing also leads on monetization model (free vs free with in-app purchases) and iOS requirement (11.0 vs 13.0). NTI net's advantage is ratings volume (80 vs 1) and review sentiment (20% vs 0%). 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.

Zilmet Sizing holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: NTI net has 80 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of Zilmet Sizing's written reviews are positive against 20% of NTI net's, so the app with the better star average is not the one people write more warmly about.

## The numbers

| Metric | Zilmet Sizing | NTI net |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zilmet-sizing/id1552934924/reviews)** | [4.5 (80 ratings)](https://appshunter.io/ios/app/nti-net/id1575731502/reviews) |
| Number of ratings | 1 | **80** |
| Positive reviews | 0.0% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 111 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zilmet USA LLC](https://appshunter.io/developer/1552934926) | [Ariston SpA](https://appshunter.io/developer/549126466) |

## What reviewers say

### Zilmet Sizing

[App page](https://appshunter.io/ios/app/zilmet-sizing/id1552934924)

This program assists with sizing expansion tanks for hydronic, thermal, and water systems. It provides detailed output including required tank volume and relevant Zilmet data sheets, brochures, and installation manuals for residential and commercial applications.

**Highlights:** Expansion tank sizing, Hydronic system support, Thermal system support, Water system support, Residential and commercial applications, Tank volume calculation, Access to data sheets and manuals

**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 Zilmet Sizing free?

Zilmet Sizing is free to download, with no in-app purchases.

### Is NTI net free?

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

### Which has better reviews, Zilmet Sizing or NTI net?

Zilmet Sizing is rated higher. Zilmet Sizing averages 5.0 out of 5 from 1 ratings, while NTI net averages 4.5 from 80 ratings.

### Do Zilmet Sizing or NTI net have ads?

Neither Zilmet Sizing nor NTI net shows ads.

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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.*