Carrier® SMART Service vs Pre
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Carrier® SMART Service
This app provides proactive equipment and system management by analyzing chiller and HVAC unit operating trends. It helps building managers make informed decisions for maintenance, repair, and financial performance improvement.
- Equipment and system management
- Chiller and HVAC operating trend analysis
- Informed decision-making for maintenance
- Building financial performance improvement
- View chiller operation insights
- Track HVAC unit trends
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Carrier® SMART Service is a dynamic, proactive strategy for enhanced equipment and system management. Through the identification and analysis of chiller and system operating trends, more informed decisions can now be made relative to meeting comfort demands, implementing service, maintenance or repair events and improving a building’s financial performance. This unique service can be included in a Carrier Service Agreement plan as part of a regular preventive and predictive maintenance program. The SMART Service app allows SMART Service customers to quickly and easily view Insight into chiller operation and trends of HVAC units noting the serial number of the chiller to view.
Pre
This app guides users through pre-alignment tasks using a connected Bluetooth probe. It allows measurement and recording of run-out, bearing clearance, and soft foot, with the ability to generate instant PDF reports.
- Bluetooth connectivity
- Icon-based adaptive user interface
- Measure and record Run-Out
- Measure and record Bearing Clearance
- Measure and record True SoftCheck
- Generate instant PDF reports
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This is a companion app for performing pre-alignment tasks, using the RT-300/AT-10. The app guides the user through the complete pre-alignment process when using the Bluetooth® connected ACOEM Run-Out Probe. This offers a complete pre-alignment package, including the possibility to measure and record Run-Out, Bearing Clearance, and True SoftCheck. The PDF Report function provides a fast on-site reporting capability by converting saved measurement reports into PDF files. ---- Note: This app works with the ACOEM Run-Out Probe ---- Key Features: - Connected using Bluetooth® - GuideU: Our patented icon-based and color-coded adaptive user interface - Measure and record Run-Out, Bearing Clearance and True SoftCheck. - True SoftCheck - soft foot measurements directly on the feet of the machine. - Create an instant PDF-report Visit the website www.acoem.com for more information on alignment in general, the ACOEM tools and support of the app.
Screenshots
Verdict
The clearest difference is rating: Pre at 5.0 against Carrier® SMART Service's 3.9. Pre also leads on iOS requirement (13.0 vs 15.1). Carrier® SMART Service's advantage is update cadence (every 2 months vs every 7 months) and ratings volume (7 vs 1). On price, ads, in-app purchases and monetization model 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.
Pre holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Carrier® SMART Service has 7 ratings behind it against 1, so its average is the more settled of the two.
Carrier® SMART Service ships an update every 2 months, Pre every 7 months. Both last shipped on October 24, 2026.
| Parameter | Carrier® SMART Service | Pre |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 2 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 107 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Carrier Corporation | ACOEM Group |
Customer experience
Carrier® SMART Service
Pre
In-app purchases
Carrier® SMART Service
No in-app purchases
Pre
No in-app purchases
Questions
Is Carrier® SMART Service free?
Is Pre free?
Which has better reviews, Carrier® SMART Service or Pre?
Do Carrier® SMART Service or Pre have ads?
Which is updated more often, Carrier® SMART Service or Pre?
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