# Ruud Calcu Save vs Friedrich

Ruud Calcu Save and Friedrich both sit at 4.4 stars, but that hides the real split: 100% of Ruud Calcu Save's written reviews are positive against 0% of Friedrich's. Ruud Calcu Save also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, rating, ratings volume and update cadence there is nothing between them.

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

Friedrich holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 36 and 53 respectively. Written reviews complicate that: 100% of Ruud Calcu Save's written reviews are positive against 0% of Friedrich's, so the app with the better star average is not the one people write more warmly about.

Ruud Calcu Save ships an update every 2 months, Friedrich monthly. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Ruud Calcu Save | Friedrich |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (36 ratings)](https://appshunter.io/ios/app/ruud-calcu-save/id1110122303/reviews) | **[4.6 (53 ratings)](https://appshunter.io/ios/app/friedrich/id6460458596/reviews)** |
| Number of ratings | 36 | **53** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 37 MB | 110 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Copeland LP](https://appshunter.io/developer/464252882) | [Rheem Manufacturing Company](https://appshunter.io/developer/853793269) |

## What reviewers say

### Ruud Calcu Save

[App page](https://appshunter.io/ios/app/ruud-calcu-save/id1110122303)

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:** macOS Compatibility

**In-app purchases:** none


### Friedrich

[App page](https://appshunter.io/ios/app/friedrich/id6460458596)

This app simplifies HVAC system installation, service, and troubleshooting for contractors. It offers Bluetooth connectivity for setup, diagnostics, and access to technical support resources like manuals and parts lists.

**Highlights:** Bluetooth setup for HVAC systems, System monitoring and status checks, Alarm diagnosis and history, Access to installation instructions and manuals, Parts list and technical sheet lookup, Warranty tracking and certificate sharing, Rebate and financing research

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ruud Calcu Save free?

Ruud Calcu Save is free to download, with no in-app purchases.

### Is Friedrich free?

Friedrich is free to download, with no in-app purchases.

### Which has better reviews, Ruud Calcu Save or Friedrich?

Friedrich is rated higher. Ruud Calcu Save averages 4.4 out of 5 from 36 ratings, while Friedrich averages 4.6 from 53 ratings.

### Do Ruud Calcu Save or Friedrich have ads?

Neither Ruud Calcu Save nor Friedrich shows ads.

### Which is updated more often, Ruud Calcu Save or Friedrich?

Ruud Calcu Save ships an update every 2 months, and Friedrich monthly. Most recently, Ruud Calcu Save was updated on September 26, 2026 and Friedrich on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*