# Ruud Calcu Save vs Cielo PRO

The clearest difference is rating: Cielo PRO at 5.0 against Ruud Calcu Save's 4.3. Cielo PRO also leads on update cadence (every 3 weeks vs every 2 months). Ruud Calcu Save's advantage is ratings volume (39 vs 2) and device support (3 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Cielo PRO 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 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Ruud Calcu Save ships an update every 2 months, Cielo PRO every 3 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Ruud Calcu Save | Cielo PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (39 ratings)](https://appshunter.io/ios/app/ruud-calcu-save/id1110122303/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cielo-pro/id6757784458/reviews)** |
| Number of ratings | **39** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 37 MB | 28 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Copeland LP](https://appshunter.io/developer/464252882) | [Cielo WiGle Inc.](https://appshunter.io/developer/1030282554) |

## 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


### Cielo PRO

[App page](https://appshunter.io/ios/app/cielo-pro/id6757784458)

This tool empowers HVAC professionals to efficiently install smart thermostats, manage customer relationships, and enhance their business branding. It offers guided workflows, Bluetooth configuration, and AI-powered templates for quick and reliable setups.

**Highlights:** Free Pro Branding, Guided Thermostat Installation Workflow, Bluetooth-Based Configuration, AI-Powered HVAC Configuration Templates, Save Thermostat Configurations, HVAC Equipment Testing, Instant Thermostat Handoff, Customer & Workforce Management

**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 Cielo PRO free?

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

### Which has better reviews, Ruud Calcu Save or Cielo PRO?

Cielo PRO is rated higher. Ruud Calcu Save averages 4.3 out of 5 from 39 ratings, while Cielo PRO averages 5.0 from 2 ratings.

### Do Ruud Calcu Save or Cielo PRO have ads?

Neither Ruud Calcu Save nor Cielo PRO shows ads.

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

Ruud Calcu Save ships an update every 2 months, and Cielo PRO every 3 weeks. Most recently, Ruud Calcu Save was updated on November 2, 2026 and Cielo PRO on November 5, 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.*