# HyTools vs Building Commission

The clearest difference is review sentiment: Building Commission at 100% against HyTools's 50%. Building Commission also leads on ratings volume (16 vs 5). HyTools's advantage is rating (4.0 vs 3.5) and update cadence (every 6 weeks vs every 4 months). 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.

HyTools holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 5 and 16 respectively. Written reviews complicate that: 50% of HyTools's written reviews are positive against 100% of Building Commission's, so the app with the better star average is not the one people write more warmly about.

HyTools ships an update every 6 weeks, Building Commission every 4 months. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | HyTools | Building Commission |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/hytools/id537674477/reviews)** | [3.5 (16 ratings)](https://appshunter.io/ios/app/building-commission/id1238629803/reviews) |
| Number of ratings | 5 | **16** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 114 MB | 123 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IMI Hydronic Engineering International SA](https://appshunter.io/developer/508015425) | [Schneider Electric SA](https://appshunter.io/developer/615996152) |

## What reviewers say

### HyTools

[App page](https://appshunter.io/ios/app/hytools/id537674477)

This app provides HVAC professionals with a comprehensive suite of hydronic calculation tools. It assists with tasks like valve sizing, pressure drop calculations, and radiator power estimation. The tool offers unit conversion and language selection for user convenience.

**Highlights:** Hydronic calculator, Valve sizing and presetting, Radiator power estimation, Pipe sizing, Unit conversion, Pressure maintenance calculation

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

**In-app purchases:** none


### Building Commission

[App page](https://appshunter.io/ios/app/building-commission/id1238629803)

Streamline building commissioning with direct mobile access to IP controllers and I/O devices. Configure settings, upgrade firmware, and generate reports without needing a BMS server, reducing setup time and simplifying workflows.

**Highlights:** Direct configuration of IP controllers, Firmware upgrades, Input/output and diagnostic report generation, Reduced commissioning time, Bluetooth and IP network connectivity, Simplified workflows

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HyTools free?

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

### Is Building Commission free?

Building Commission is free to download, with no in-app purchases.

### Which has better reviews, HyTools or Building Commission?

HyTools is rated higher. HyTools averages 4.0 out of 5 from 5 ratings, while Building Commission averages 3.5 from 16 ratings.

### Do HyTools or Building Commission have ads?

Neither HyTools nor Building Commission shows ads.

### Which is updated more often, HyTools or Building Commission?

HyTools ships an update every 6 weeks, and Building Commission every 4 months. Most recently, HyTools was updated on September 28, 2026 and Building Commission on October 8, 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.*