PLUS+1® Service Tool vs Carel Controlla
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PLUS+1® Service Tool
This tool allows for diagnostics and parameter downloads to electronic components. It connects to controllers for performance logging and tuning, streamlining the development of advanced machinery.
- Perform diagnostics on electronic components
- Download applications to controllers
- Download parameters to controllers
- Log controller performance
- Tune controller performance
- Accelerate development process
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The PLUS+1® Service Tool performs diagnostics on PLUS+1® electronic components. In PLUS+1® GUIDE you build your application with drag-and-drop logical components or software blocks in the graphical interface. It is engineered to accelerate your development process and bring higher quality machines to market faster. Use the PLUS+1® Service Tool to download the built application to a controller. You can download parameters to a controller, then you can log and tune the controller performance.
Carel Controlla
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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
Verdict
PLUS+1® Service Tool and Carel Controlla 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PLUS+1® Service Tool ships an update every 4 months, Carel Controlla every 3 months. Both last shipped on November 2, 2026.
| Parameter | PLUS+1® Service Tool | Carel Controlla |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 57 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Danfoss A/S | CAREL INDUSTRIES S.p.A. |
In-app purchases
PLUS+1® Service Tool
No in-app purchases
Carel Controlla
No in-app purchases
Questions
Is PLUS+1® Service Tool free?
Is Carel Controlla free?
Do PLUS+1® Service Tool or Carel Controlla have ads?
Which is updated more often, PLUS+1® Service Tool or Carel Controlla?
Other comparisons
