# HJM vs UFD

The clearest difference is update cadence: UFD at every 4 weeks against HJM's every 3 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.

HJM ships an update every 3 months, UFD every 4 weeks. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | HJM | UFD |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 29 MB | 116 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hermanos Julian M S.L.](https://appshunter.io/developer/1367547773) | [UFD DISTRIBUCION ELECTRICIDAD SA.](https://appshunter.io/developer/1680574092) |

## What reviewers say

### HJM

[App page](https://appshunter.io/ios/app/hjm/id1367547774)

Manage your smart radiator temperatures easily and quickly from your smartphone. Adjust settings remotely without needing to be at home.

**Highlights:** Remote temperature management, Smart radiator control, Easy and quick adjustments, Smartphone access, Schedule temperature changes

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

**In-app purchases:** none


### UFD

[App page](https://appshunter.io/ios/app/ufd/id6447208107)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HJM free?

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

### Is UFD free?

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

### Do HJM or UFD have ads?

Neither HJM nor UFD shows ads.

### Which is updated more often, HJM or UFD?

HJM ships an update every 3 months, and UFD every 4 weeks. Most recently, HJM was updated on October 15, 2026 and UFD on October 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.*