Comparison

Coel Online vs RED control

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Coel Online

Simple and easy connectivity

About

Coel Online

Features

Read full description

Coel Online is a complete ecosystem for configuring products with Wi-Fi connectivity from the Coel portfolio.

About

RED control

Features

Read full description

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

Coel Online4 screens

RED control4 screens

Verdict

The call

Coel Online and RED control are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Coel Online ships an update every 7 months, RED control every 4 months. The most recent releases landed on September 13, 2026 and April 15, 2026 respectively.

ScorecardNo meaningful differences

Coel Online versus RED control: the parameters behind the verdict, then further details
Parameter	Coel Online	RED control
Price	Free	Free
Update frequency	Every 7 months	Every 4 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	14.0	13.0 — better
Further details — not scored
Size	198 MB	32 MB
Age rating	12+	4+
Developer	Coelmatic Ltda	CAREL INDUSTRIES S.p.A.

In-app purchases

None

Coel Online

No in-app purchases

None

RED control

No in-app purchases

Questions

Is Coel Online free?

Coel Online is free to download, with no in-app purchases.

Is RED control free?

RED control is free to download, with no in-app purchases.

Do Coel Online or RED control have ads?

Neither Coel Online nor RED control shows ads.

Which is updated more often, Coel Online or RED control?

Coel Online ships an update every 7 months, and RED control every 4 months. Most recently, Coel Online was updated on September 13, 2026 and RED control on April 15, 2026.