# OJ Microline® UWG4 vs DFC@Home

The clearest difference is rating: DFC@Home at 4.3 against OJ Microline® UWG4's 2.0. DFC@Home also leads on update cadence (every 6 weeks vs every 6 months) and ratings volume (122 vs 33). OJ Microline® UWG4's advantage is review sentiment (23% vs 0%) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

DFC@Home holds the better App Store score, 4.3 against 2.0. Both are backed by a comparable volume of ratings — 33 and 122 respectively. Written reviews complicate that: 23% of OJ Microline® UWG4's written reviews are positive against 0% of DFC@Home's, so the app with the better star average is not the one people write more warmly about.

OJ Microline® UWG4 ships an update every 6 months, DFC@Home every 6 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OJ Microline® UWG4 | DFC@Home |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (33 ratings)](https://appshunter.io/ios/app/oj-microline-uwg4/id1046778776/reviews) | **[4.3 (122 ratings)](https://appshunter.io/ios/app/dfchome/id6474621406/reviews)** |
| Number of ratings | 33 | **122** |
| Positive reviews | **23.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 13 MB | 403 MB |
| Requires iOS | **15.6** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OJ ELECTRONICS AS](https://appshunter.io/developer/1326069502) | [DELTA FAUCET COMPANY](https://appshunter.io/developer/340966141) |

## What reviewers say

### OJ Microline® UWG4

[App page](https://appshunter.io/ios/app/oj-microline-uwg4/id1046778776)

Remotely control your home heating system from any location. View and set temperatures, adjust heating schedules, activate vacation mode, and monitor energy consumption. Ensure comfort and maximize savings with intuitive thermostat management.

**Highlights:** Remote temperature control, Heating schedule management, Vacation mode activation, Energy consumption monitoring, Access multiple thermostats, Set US or Metric units

**In-app purchases:** none


### DFC@Home

[App page](https://appshunter.io/ios/app/dfchome/id6474621406)

This platform connects with compatible smart faucets and steam systems. It allows remote activation, personalized control profiles, and integration with voice assistants for a customized experience.

**Highlights:** Remote product activation, Voice assistant integration (Alexa, Google Assistant), Personalized control profiles, Custom task containers with VoiceIQ™, Manage steam systems

**In-app purchases:** none


## Frequently asked questions

### Is OJ Microline® UWG4 free?

OJ Microline® UWG4 is free to download, with no in-app purchases.

### Is DFC@Home free?

DFC@Home is free to download, with no in-app purchases.

### Which has better reviews, OJ Microline® UWG4 or DFC@Home?

DFC@Home is rated higher. OJ Microline® UWG4 averages 2.0 out of 5 from 33 ratings, while DFC@Home averages 4.3 from 122 ratings.

### Do OJ Microline® UWG4 or DFC@Home have ads?

Neither OJ Microline® UWG4 nor DFC@Home shows ads.

### Which is updated more often, OJ Microline® UWG4 or DFC@Home?

OJ Microline® UWG4 ships an update every 6 months, and DFC@Home every 6 weeks. Most recently, OJ Microline® UWG4 was updated on October 21, 2026 and DFC@Home on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*