# Reflex Pro App vs HyTools

The clearest difference is update cadence: HyTools at every 6 weeks against Reflex Pro App'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.

Reflex Pro App ships an update every 4 months, HyTools every 6 weeks. The most recent releases landed on September 17, 2026 and July 25, 2026 respectively.

## The numbers

| Metric | Reflex Pro App | HyTools |
| --- | --- | --- |
| 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 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 19 MB | 114 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ConSoft](https://appshunter.io/developer/397747217) | [IMI Hydronic Engineering International SA](https://appshunter.io/developer/508015425) |

## What reviewers say

### Reflex Pro App

[App page](https://appshunter.io/ios/app/reflex-pro-app/id424178409)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Reflex Pro App free?

Reflex Pro App is free to download, with no in-app purchases.

### Is HyTools free?

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

### Do Reflex Pro App or HyTools have ads?

Neither Reflex Pro App nor HyTools shows ads.

### Which is updated more often, Reflex Pro App or HyTools?

Reflex Pro App ships an update every 4 months, and HyTools every 6 weeks. Most recently, Reflex Pro App was updated on September 17, 2026 and HyTools on July 25, 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.*