# HJM vs Mellerware

The clearest difference is review sentiment: HJM at 43% against Mellerware's 17%. Mellerware's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases 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, Mellerware every 4 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | HJM | Mellerware |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **42.9% of reviews** | 16.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 29 MB | 198 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hermanos Julian M S.L.](https://appshunter.io/developer/1367547773) | [Engineering and Technology for Life, SL](https://appshunter.io/developer/1403754733) |

## 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


### Mellerware

[App page](https://appshunter.io/ios/app/mellerware/id1479399330)

Control your home cleaning robots remotely via Wi-Fi using your smartphone. Customize cleaning modes, schedule daily or weekly cleanings, and adjust power settings for optimal results. Enjoy more free time while keeping your home spotless.

**Highlights:** Wi-Fi robot control, Customizable cleaning modes, Daily/weekly scheduling, Adjustable power settings, Remote smartphone operation

**In-app purchases:** none


## Frequently asked questions

### Is HJM free?

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

### Is Mellerware free?

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

### Do HJM or Mellerware have ads?

Neither HJM nor Mellerware shows ads.

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

HJM ships an update every 3 months, and Mellerware every 4 months. Most recently, HJM was updated on October 15, 2026 and Mellerware on October 10, 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.*