# ENGEL e vs HB

The clearest difference is update cadence: HB at every 2 months against ENGEL e's every 7 months. HB also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

ENGEL e ships an update every 7 months, HB every 2 months. The most recent releases landed on September 8, 2026 and July 22, 2026 respectively.

## The numbers

| Metric | ENGEL e | HB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 18 MB | 80 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ENGEL AUSTRIA GmbH](https://appshunter.io/developer/687631542) | [HB-Therm](https://appshunter.io/developer/1669572191) |

## What reviewers say

### ENGEL e

[App page](https://appshunter.io/ios/app/engel-e-vent/id6449192345)

**In-app purchases:** none


### HB

[App page](https://appshunter.io/ios/app/hb-therm-e-cockpit/id6469505234)

**In-app purchases:** none


## Frequently asked questions

### Is ENGEL e free?

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

### Is HB free?

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

### Which is updated more often, ENGEL e or HB?

ENGEL e ships an update every 7 months, and HB every 2 months. Most recently, ENGEL e was updated on September 8, 2026 and HB on July 22, 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.*