# HyTools vs Empolis Industrial Knowledge

The clearest difference is review sentiment: Empolis Industrial Knowledge at 75% against HyTools's 50%. HyTools's advantage is monetization model (free vs ad-supported). On price, update cadence, ads and in-app purchases there is nothing between them.

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

HyTools ships an update every 6 weeks, Empolis Industrial Knowledge every 4 weeks. The most recent releases landed on July 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | HyTools | Empolis Industrial Knowledge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/hytools/id537674477/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 114 MB | 274 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IMI Hydronic Engineering International SA](https://appshunter.io/developer/508015425) | [Empolis Information Management GmbH](https://appshunter.io/developer/1293249623) |

## 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


### Empolis Industrial Knowledge

[App page](https://appshunter.io/ios/app/empolis-industrial-knowledge/id1376571362)

Access comprehensive service knowledge on your mobile device, both online and offline. Quickly find solutions to customer requests, create and share new service notes, and collaborate with colleagues to solve complex problems. Ensures data security and GDPR compliance.

**Highlights:** Mobile knowledge hub, Offline availability, Create and share service knowledge, Community and team knowledge collaboration, Intelligent search, GDPR compliant data security

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

**In-app purchases:** none


## Frequently asked questions

### Is HyTools free?

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

### Is Empolis Industrial Knowledge free?

Empolis Industrial Knowledge is free to download, with no in-app purchases.

### Do HyTools or Empolis Industrial Knowledge have ads?

Neither HyTools nor Empolis Industrial Knowledge shows ads.

### Which is updated more often, HyTools or Empolis Industrial Knowledge?

HyTools ships an update every 6 weeks, and Empolis Industrial Knowledge every 4 weeks. Most recently, HyTools was updated on July 25, 2026 and Empolis Industrial Knowledge on September 9, 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.*