# Hydronic vs The B

The clearest difference is ads: Hydronic at none against The B's shown. Hydronic also leads on update cadence (weekly vs every 9 months) and iOS requirement (12.1 vs 15.0). On price, 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.

Hydronic ships an update weekly, The B every 9 months. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hydronic | The B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/the-b-y-app/id1434445476/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 9 months |
| Monetization | — | Ad-supported |
| Size | 2 MB | 6 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Philip Antecol](https://appshunter.io/developer/1210668842) | [The Behler-Young Company](https://appshunter.io/developer/1434445475) |

## What reviewers say

### Hydronic

[App page](https://appshunter.io/ios/app/hydronic/id1210668843)

**Features:** macOS Compatibility

**In-app purchases:** none


### The B

[App page](https://appshunter.io/ios/app/the-b-y-app/id1434445476)

This app serves HVAC/R contractors with a comprehensive resource for products, expert support, and troubleshooting. It offers training, NATE testing, and field tools, representing hundreds of manufacturers across Michigan and Northwest Ohio.

**Highlights:** Vast product inventory, Expert support and troubleshooting, Contractor training, NATE testing, Field tools and calculators

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hydronic free?

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

### Is The B free?

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

### Do Hydronic or The B have ads?

The B shows ads; Hydronic does not.

### Which is updated more often, Hydronic or The B?

Hydronic ships an update weekly, and The B every 9 months. Most recently, Hydronic was updated on October 6, 2026 and The B on October 24, 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.*