Comparison

Carrier® SMART Service vs Pre

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Carrier® SMART Service4 screens
Pre4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Carrier® SMART Service ships an update every 2 months, Pre every 7 months. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Carrier® SMART Service versus Pre: the parameters behind the verdict, then further details
ParameterCarrier® SMART ServicePre
PriceFreeFree
Rating3.9 (7 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings7 — better1
Update frequencyEvery 2 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size107 MB67 MB
Age rating4+4+
DeveloperCarrier CorporationACOEM Group

Customer experience

Carrier® SMART Service

All ratings7 ratings
Positive57.1%
Neutral28.6%
Negative14.3%
Written reviews2 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Pre

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Carrier® SMART Service

No in-app purchases

None

Pre

No in-app purchases

Questions

Is Carrier® SMART Service free?
Carrier® SMART Service is free to download, with no in-app purchases.
Is Pre free?
Pre is free to download, with no in-app purchases.
Which has better reviews, Carrier® SMART Service or Pre?
Pre is rated higher. Carrier® SMART Service averages 3.9 out of 5 from 7 ratings, while Pre averages 5.0 from 1 ratings.
Do Carrier® SMART Service or Pre have ads?
Neither Carrier® SMART Service nor Pre shows ads.
Which is updated more often, Carrier® SMART Service or Pre?
Carrier® SMART Service ships an update every 2 months, and Pre every 7 months. Most recently, Carrier® SMART Service was updated on October 24, 2026 and Pre on October 24, 2026.

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