# HyTools vs CookTools

The clearest difference is update cadence: HyTools at every 6 weeks against CookTools's every 7 months. CookTools's advantage is iOS requirement (7.0 vs 15.0). 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.

HyTools ships an update every 6 weeks, CookTools every 7 months. The most recent releases landed on July 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | HyTools | CookTools |
| --- | --- | --- |
| 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 6 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 114 MB | 144 MB |
| Requires iOS | 15.0 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IMI Hydronic Engineering International SA](https://appshunter.io/developer/508015425) | [Loren Cook Company](https://appshunter.io/developer/376850738) |

## 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


### CookTools

[App page](https://appshunter.io/ios/app/cooktools/id1103368817)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HyTools free?

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

### Is CookTools free?

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

### Do HyTools or CookTools have ads?

Neither HyTools nor CookTools shows ads.

### Which is updated more often, HyTools or CookTools?

HyTools ships an update every 6 weeks, and CookTools every 7 months. Most recently, HyTools was updated on July 25, 2026 and CookTools on September 23, 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.*