ONI system vs Fenix Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ONI system
Access and view crucial asset data, including lists, real-time positions, and traffic information. Track trips, view routes, and get detailed asset states like temperature and battery levels. Navigate directly to asset locations.
- View asset lists
- Real-time asset positions
- Google traffic near assets
- Logbook of trips
- Asset route history
- Navigation to asset location
- Detailed asset states
Read full descriptionHide full description
The ONI system app displays the most important assets data. After login in the ONI system you gain access to view: - lists of assets, - actual assets positions, - Google traffic near the asset, - list of trips (logbook), - routes driven by the asset, - navigation to the actual asset's position, - detailed states of the asset (e.g. temperature, battery charge level, trip type etc.).
Fenix Control
Control your radiant heating system remotely with this app. Manage thermostats and monitor energy consumption from anywhere, anytime, for increased efficiency and savings.
- Remote heating system control
- Monitor energy consumption
- Manage TFT WIFI thermostats
- Control WIFI BOX
- Real-time efficiency monitoring
Read full descriptionHide full description
Introducing the new Fenix Control – your ultimate solution for controlling your heating system remotely. With just one click, you can manage your TFT WIFI thermostats and WIFI BOX from anywhere, at any time. Plus, easily monitor your energy consumption for greater efficiency and savings
Screenshots
Verdict
The clearest difference is review sentiment: ONI system at 33% against Fenix Control's 18%. ONI system also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ONI system ships an update every 6 weeks, Fenix Control every 5 weeks. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.
| Parameter | ONI system | Fenix Control |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews — better | 18.3% of reviews |
| Update frequency | Every 6 weeks | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 90 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | NAM system a.s. | Watts Electronics |
Customer experience
ONI system
Fenix Control
In-app purchases
ONI system
No in-app purchases
Fenix Control
No in-app purchases
Questions
Is ONI system free?
Is Fenix Control free?
Do ONI system or Fenix Control have ads?
Which is updated more often, ONI system or Fenix Control?
Other comparisons
