Castel Selector vs 4K5 LightControl
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Castel Selector
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Castel selection app is able to help you through the design of systems by choosing the correct valve within your system. This software is able to size all Castel products, indicating theirs behaviour according to the installation branch and the gas used, providing the appropriate pressure drop value used for each selection. With this app you are able to generate a report with all the information about circuit and about selection.
4K5 LightControl
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The Light Control app improves efficiency, flexibility and convenience when working on site. It allows 4K5 work lights to be controlled from a smart phone over a wireless connection. The output of the light can be dimmed in five levels from 20 % to 100 % for optimum and quick adjustment to the actual situation and task. In addition to the display in per cent, the set light level is easy to identify from an easy-to-read graphic. Four work lights can be connected to the app at the same time. It is also possible to operate a work light from two smart phones with synchronised operating status. For work lights running from a battery, information on the charge is provided by a colour and per cent display. The power consumption can be effectively reduced by adjusting the light output to suit requirements as only as much electricity is consumed as is required to complete the task. The work lights can be quickly switched off remotely when leaving the site.
Screenshots
Verdict
The clearest difference is update cadence: Castel Selector at every 6 weeks against 4K5 LightControl's every 20 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Castel Selector ships an update every 6 weeks, 4K5 LightControl every 20 months. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.
| Parameter | Castel Selector | 4K5 LightControl |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks β better | Every 20 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 14.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 26 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Castel S.r.l. | UMAREX GmbH & Co. KG |
In-app purchases
Castel Selector
No in-app purchases
4K5 LightControl
No in-app purchases
Questions
Is Castel Selector free?
Is 4K5 LightControl free?
Do Castel Selector or 4K5 LightControl have ads?
Which is updated more often, Castel Selector or 4K5 LightControl?
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