Comparison

KoolCode vs Carel Controlla

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

Head to head
About

KoolCode

This utility app provides quick, offline access to alarm and parameter codes for refrigeration controllers. It helps service technicians and engineers easily look up information without needing manuals or laptops.

Highlights
  • On-the-spot ADAP-KOOL controller information
  • Alarm status and parameter descriptions
  • Offline code lookup tool
  • Quick code translation
  • Hierarchical controller selection
Features
Read full description

Save time and increase productivity with the Danfoss KoolCode app for ”on the spot” ADAP-KOOL® controller information Danfoss A/S presents KoolCode app that fast and easy provides service technicians, refrigeration engineers, in-store technicians, and others with on-the-spot access to alarm status and parameter descriptions for a range of Danfoss refrigeration controllers with a three digit display. Download this app to get a simple off-line tool to easily look up alarm, error, status, and parameter codes without bringing along the printed manual or laptop. Features: The KoolCode app offers three alternative ways to look up display codes: -Quick code translation without knowing exactly the controller type you are facing -Hierarchical controller selection among Danfoss refrigeration controllers

About

Carel Controlla

Features
Read full description

CONTROLLA is the CAREL app designed specifically for end users, for controlling units equipped with CAREL controllers, either via the Cloud portal or a dedicated wireless gateway. The main features are: - Intuitive interaction with the unit, thanks to a customisable user interface in the desired language - Same user experience for both types of connection, via the Cloud to ensure the unit is under control even when away from home or the site, or via a local connection. - Compatibility with new generation parametric and programmable controllers.

Screenshots

KoolCode1 screens
Carel Controlla4 screens

Verdict

The call

The clearest difference is update cadence: Carel Controlla at every 3 months against KoolCode's every 8 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

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

KoolCode ships an update every 8 months, Carel Controlla every 3 months. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

Scorecard1 real difference · 9 level
KoolCode versus Carel Controlla: the parameters behind the verdict, then further details
ParameterKoolCodeCarel Controlla
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 8 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size31 MB52 MB
Age rating4+4+
DeveloperDanfoss A/SCAREL INDUSTRIES S.p.A.

In-app purchases

None

KoolCode

No in-app purchases

None

Carel Controlla

No in-app purchases

Questions

Is KoolCode free?
KoolCode is free to download, with no in-app purchases.
Is Carel Controlla free?
Carel Controlla is free to download, with no in-app purchases.
Do KoolCode or Carel Controlla have ads?
Neither KoolCode nor Carel Controlla shows ads.
Which is updated more often, KoolCode or Carel Controlla?
KoolCode ships an update every 8 months, and Carel Controlla every 3 months. Most recently, KoolCode was updated on September 14, 2026 and Carel Controlla on September 21, 2026.

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