# Rheem vs Cielo PRO

The clearest difference is review sentiment: Cielo PRO at 100% against Rheem's 40%. Cielo PRO also leads on rating (5.0 vs 4.6). Rheem's advantage is ratings volume (1.8K vs 2). On price, update cadence, 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 4.6. That said, the two scores are not equally well evidenced: Rheem has 1.8K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 40% of Rheem's written reviews are positive against 100% of Cielo PRO's.

Rheem ships an update monthly, Cielo PRO every 3 weeks. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Rheem | Cielo PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (1.8K ratings)](https://appshunter.io/ios/app/rheem/id1604626837/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cielo-pro/id6757784458/reviews)** |
| Number of ratings | **1.8K** | 2 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 120 MB | 28 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rheem Manufacturing Company](https://appshunter.io/developer/853793269) | [Cielo WiGle Inc.](https://appshunter.io/developer/1030282554) |

## What reviewers say

### Rheem

[App page](https://appshunter.io/ios/app/rheem/id1604626837)

This app streamlines HVAC system installation, service, and troubleshooting for contractors. It offers Bluetooth® connectivity for system setup, diagnostics, and warranty tracking. Access technical support, parts lists, manuals, and rebate information.

**Highlights:** Bluetooth® system setup, Real-time operating parameter monitoring, Alarm diagnosis and history, Parts lookup and manual downloads, Warranty status tracking, Retailer and distributor locator, Rebate and financing research

**Features:** Vision Pro support

**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 Rheem free?

Rheem 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, Rheem or Cielo PRO?

Cielo PRO is rated higher. Rheem averages 4.6 out of 5 from 1.8K ratings, while Cielo PRO averages 5.0 from 2 ratings.

### Do Rheem or Cielo PRO have ads?

Neither Rheem nor Cielo PRO shows ads.

### Which is updated more often, Rheem or Cielo PRO?

Rheem ships an update monthly, and Cielo PRO every 3 weeks. Most recently, Rheem was updated on November 12, 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.*