# Ruud Calcu Save vs BluArch

The clearest difference is rating: BluArch at 4.8 against Ruud Calcu Save's 4.3. Ruud Calcu Save's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

BluArch holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 39 and 25 respectively.

Ruud Calcu Save ships an update every 2 months, BluArch monthly. The most recent releases landed on October 21, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Ruud Calcu Save | BluArch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (39 ratings)](https://appshunter.io/ios/app/ruud-calcu-save/id1110122303/reviews) | **[4.8 (25 ratings)](https://appshunter.io/ios/app/bluarch/id1622231631/reviews)** |
| Number of ratings | **39** | 25 |
| Positive reviews | 100.0% 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


### BluArch

[App page](https://appshunter.io/ios/app/bluarch/id1622231631)

This app simplifies HVAC system installation and servicing for contractors. It uses Bluetooth to connect with eligible air systems, allowing for quick setup, monitoring of operating parameters, and easy troubleshooting of alarms and system status directly from a phone.

**Highlights:** Bluetooth system setup, Monitor operating parameters, Verify system setup, Diagnose alarms, Step-by-step parts replacement

**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 BluArch free?

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

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

BluArch is rated higher. Ruud Calcu Save averages 4.3 out of 5 from 39 ratings, while BluArch averages 4.8 from 25 ratings.

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

Neither Ruud Calcu Save nor BluArch shows ads.

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

Ruud Calcu Save ships an update every 2 months, and BluArch monthly. Most recently, Ruud Calcu Save was updated on October 21, 2026 and BluArch on October 22, 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.*