Castel Selector vs RED control
Price, ratings, monetisation and update history for both apps, side by side — 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.
RED control
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RED control is an application designed for refrigeration technicians, allowing for remote monitoring of food service and scientific refrigeration units. The strenghts of the app are - smart view of the installed plants and their status - push notification when alarms occur - simplified unit registration via QR code
Screenshots
Verdict
The clearest difference is update cadence: Castel Selector at every 6 weeks against RED control's every 4 months. On price, ads, in-app purchases and device support 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.
Castel Selector ships an update every 6 weeks, RED control every 4 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.
| Parameter | Castel Selector | RED control |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Castel S.r.l. | CAREL INDUSTRIES S.p.A. |
In-app purchases
Castel Selector
No in-app purchases
RED control
No in-app purchases
Questions
Is Castel Selector free?
Is RED control free?
Do Castel Selector or RED control have ads?
Which is updated more often, Castel Selector or RED control?
Other comparisons
