PLUS+1® Service Tool vs Petra Connect
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.
Petra Connect
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Petra Connect is the petra app designed specifically for Petra customers, for controlling Petra HVAC units equipped with controllers via Petra cloud portal. The main features are: - Intuitive interaction with the unit using the smart user interface - Real time data monitoring and control - Access for documents such as manuals and wirings
Screenshots
Verdict
The clearest difference is update cadence: Petra Connect at every 6 weeks against PLUS+1® Service Tool's every 4 months. Petra Connect also leads on iOS requirement (11.0 vs 14.0). 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.
PLUS+1® Service Tool ships an update every 4 months, Petra Connect every 6 weeks. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.
| Parameter | PLUS+1® Service Tool | Petra Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 90 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
Petra Connect
No in-app purchases
Questions
Is PLUS+1® Service Tool free?
Is Petra Connect free?
Do PLUS+1® Service Tool or Petra Connect have ads?
Which is updated more often, PLUS+1® Service Tool or Petra Connect?
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