Comparison

Ruud Calcu Save vs EWC Controls, LLC

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

EWC Controls, LLC

This app helps EWC contractors determine their zoning system requirements. It features a Bypass Calculator to recommend damper models and sizes, and a Control Panel Finder to suggest compatible control panels. Discover products and features to assist in setting up your zoning system.

Highlights
  • Bypass Damper Calculator
  • Control Panel Finder
  • Product Discovery
  • Zoning System Setup Assistance
Features
Read full description

Built for EWC contractors, use our new mobile app to determine your EWC zoning system needs. Use the Bypass Calculator to find out what model and size Bypass Damper you should use with your system based on your input. Use the Control Panel Finder to find out what model Control Panels you can use based on what you need. Discover products and features that will help you decide what parts you need to set up your zoning system!

Screenshots

Ruud Calcu Save4 screens
EWC Controls, LLC4 screens

Verdict

The call

The clearest difference is rating: EWC Controls, LLC at 5.0 against Ruud Calcu Save's 4.3. EWC Controls, LLC also leads on update cadence (every 9 days vs every 2 months). Ruud Calcu Save's advantage is ratings volume (39 vs 5) and iOS requirement (12.0 vs 16.4). On price, review sentiment, ads and in-app purchases 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

EWC Controls, LLC holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Ruud Calcu Save has 39 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Ruud Calcu Save ships an update every 2 months, EWC Controls, LLC every 9 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Ruud Calcu Save versus EWC Controls, LLC: the parameters behind the verdict, then further details
ParameterRuud Calcu SaveEWC Controls, LLC
PriceFreeFree
Rating4.3 (39 ratings)5.0 (5 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings39 — better5
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.4
Further details — not scored
Size37 MB38 MB
Age rating4+4+
DeveloperCopeland LPEWC Controls, Inc.

Customer experience

Ruud Calcu Save

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

EWC Controls, LLC

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

In-app purchases

None

Ruud Calcu Save

No in-app purchases

None

EWC Controls, LLC

No in-app purchases

Questions

Is Ruud Calcu Save free?
Ruud Calcu Save is free to download, with no in-app purchases.
Is EWC Controls, LLC free?
EWC Controls, LLC is free to download, with no in-app purchases.
Which has better reviews, Ruud Calcu Save or EWC Controls, LLC?
EWC Controls, LLC is rated higher. Ruud Calcu Save averages 4.3 out of 5 from 39 ratings, while EWC Controls, LLC averages 5.0 from 5 ratings.
Do Ruud Calcu Save or EWC Controls, LLC have ads?
Neither Ruud Calcu Save nor EWC Controls, LLC shows ads.
Which is updated more often, Ruud Calcu Save or EWC Controls, LLC?
Ruud Calcu Save ships an update every 2 months, and EWC Controls, LLC every 9 days. Most recently, Ruud Calcu Save was updated on October 21, 2026 and EWC Controls, LLC on October 24, 2026.

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