Comparison

Ruud Calcu Save vs Azure ECM

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

Head to head
About

Ruud Calcu Save

This app helps HVAC contractors calculate and present cost savings for homeowners when replacing residential HVAC systems. It generates professional reports comparing different system options and current industry standards, which can be emailed to customers.

Highlights
  • Calculate HVAC replacement cost savings
  • Compare multiple system options
  • Generate graphical reports
  • Email reports to customers
  • Compare against industry minimum standards
Features
Read full description

The Ruud Calcu Save mobile app provides on-the-go access for contractors to calculate cost savings for homeowners by comparing residential HVAC system replacement options. Made of the good stuff: The Ruud Calcu Save app uses Copeland's Online Product Information (OPI) database for Ruud Heating & Cooling products to give contractors the ability to generate reliable, accurate, graphical reports. Beautiful reports, in 3 easy steps: 1. Enter in a few parameters relevant to the specific residential HVAC task, such as current system efficiency standards and their considered replacement options. 2. After the details of the job are entered into the app, the app generates a professional-looking report that shows annual cost savings of high efficiency systems. 3. Email your customers or even yourself a copy of the reports generated. More than meets the eye: The Ruud Calcu Save app offers up to three replacement system options, which are also compared with current industry minimum standards, for the contractor and the homeowner. This will allow homeowners to more easily choose a replacement HVAC system to meet their particular needs.

About

Azure ECM

This utility app enables precise adjustment of individual Azure motor speed taps to optimize system CFM. It allows for single-tap adjustments on energized taps, with specific limitations on factory-locked taps. Users can reduce torque for lower speeds by selecting alternative taps.

Highlights
  • Adjust individual Azure motor speed taps
  • Optimize system CFM
  • Single-tap adjustment on energized taps
  • Reduce torque for lower speeds
  • Supports iPhone and iPad
Features
Read full description

This app allows the individual Azure motor speed taps to be adjusted for optimizing system CFM.Azure blower motor adjustments can be made to only one tap at a time; the tap being energized is the tap that can be adjusted. Note: if equipped, a 625RPM constant fan tap is factory locked and cannot be adjusted. For lower speeds, select another tap and reduce torque.

Screenshots

Ruud Calcu Save4 screens
Azure ECM1 screens

Verdict

The call

The clearest difference is rating: Ruud Calcu Save at 4.3 against Azure ECM's 3.5. Ruud Calcu Save also leads on ratings volume (39 vs 8). Azure ECM's advantage is iOS requirement (9.0 vs 12.0). On price, review sentiment, update cadence and ads 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

Ruud Calcu Save holds the better App Store score, 4.3 against 3.5. Both are backed by a comparable volume of ratings — 39 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 21, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Ruud Calcu Save versus Azure ECM: the parameters behind the verdict, then further details
ParameterRuud Calcu SaveAzure ECM
PriceFreeFree
Rating4.3 (39 ratings) — better3.5 (8 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings39 — better8
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.09.0 — better
Further details — not scored
Size37 MB38 MB
Age rating4+4+
DeveloperCopeland LPZhongshan Broad-Ocean Motor Co., Ltd.

Customer experience

Ruud Calcu Save

All ratings36 ratings
Positive83.3%
Neutral8.3%
Negative8.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Azure ECM

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Ruud Calcu Save

No in-app purchases

None

Azure ECM

No in-app purchases

Questions

Is Ruud Calcu Save free?
Ruud Calcu Save is free to download, with no in-app purchases.
Is Azure ECM free?
Azure ECM is free to download, with no in-app purchases.
Which has better reviews, Ruud Calcu Save or Azure ECM?
Ruud Calcu Save is rated higher. Ruud Calcu Save averages 4.3 out of 5 from 39 ratings, while Azure ECM averages 3.5 from 8 ratings.
Do Ruud Calcu Save or Azure ECM have ads?
Neither Ruud Calcu Save nor Azure ECM shows ads.
Which is updated more often, Ruud Calcu Save or Azure ECM?
Ruud Calcu Save ships an update every 2 months, and Azure ECM every 2 months. Most recently, Ruud Calcu Save was updated on October 21, 2026 and Azure ECM on November 3, 2026.

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