LUIS vs Utility Radar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LUIS
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The L.U.I.S., or Loadable User Interface System app relies on HTML5-formatted data to present the user with configuration pages sent by Tibbo devices. A simple-to-use library that adds L.U.I.S. support to your Tibbo BASIC/C app is also available.
Utility Radar
Access real-time electricity and natural gas prices from major European markets. Visualize price trends with customizable graphs and widgets, and add taxes for accurate local cost estimates. Supports Apple Watch and various widget types.
- Real-time EPEX electricity prices
- Dutch TTF natural gas prices
- Customizable price graphs
- Homescreen and lockscreen widgets
- Apple Watch complications
- Manual tax and rate adjustments
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With Utility Radar, you can view real-time day-ahead electricity prices on the EPEX SPOT market (quarterly & hourly) as well as natural gas prices on the Dutch TTF Natural Gas market (gas prices are available in The Netherlands only). Supported markets for electricity prices (EPEX): - Austria - Belgium - Denmark - Germany - Finland - France - The Netherlands - Norway - Poland - Spain - Sweden - Switzerland Supported markets for gas prices: - The Netherlands (Dutch TTF) Electricity: - View today's rates - View tomorrow's rates (available around 13:00 CET) - A customisable graph with rates - Homescreen widgets - Lockscreen widgets (iOS 16) Natural Gas (The Netherlands only): - View the current rate - View the average rate of the last few months - An historic graph Taxes can be automatically included for prices in The Netherlands only. For other countries, you can manually add an amount and/or percentage to add to the market price. Settings: - Manually add an amount or percentage to the market price - Change the thresholds for the colours in the graph on the Electricity-tab - Show the tax / rate adjustments in the graph separately - Customisable tax rates (available in The Netherlands only) - Show the 'prijsplafond' in the graph (available in The Netherlands only) Apple Watch: - View the current electricity rates - View the current gas rates (available in The Netherlands only) - Multiple watch face complications Widgets: - Home Screen widgets in all sizes - Lock Screen widgets - Support for StandBy mode - Support for Control Center & Action Button
Screenshots
Verdict
The clearest difference is price: LUIS at Free against Utility Radar's $2.99. LUIS also leads on iOS requirement (8.0 vs 17.0). Utility Radar's advantage is update cadence (every 2 weeks vs every 4 months) and device support (5 vs 3). On 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
LUIS is free to download; Utility Radar costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LUIS ships an update every 4 months, Utility Radar every 2 weeks. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.
| Parameter | LUIS | Utility Radar |
|---|---|---|
| Price | Free — better | $2.99 |
| Positive reviews | — | 18.2% of reviews |
| Update frequency | Every 4 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple Watch, Vision Pro — better |
| Requires iOS | 8.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 23 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Tibbo Technology Inc. | RocketScience IT |
In-app purchases
LUIS
No in-app purchases
Utility Radar
No in-app purchases
