# PuriFi Install vs Ruud

The clearest difference is rating: PuriFi Install at 5.0 against Ruud's 4.6. PuriFi Install also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.0). Ruud's advantage is ratings volume (1.1K vs 1) and update cadence (monthly vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

PuriFi Install holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Ruud has 1.1K ratings behind it against 1, so its average is the more settled of the two.

PuriFi Install ships an update every 3 months, Ruud monthly. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PuriFi Install | Ruud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/purifi-install/id1584701413/reviews)** | [4.6 (1.1K ratings)](https://appshunter.io/ios/app/ruud/id1608918835/reviews) |
| Number of ratings | 1 | **1.1K** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 184 MB | 112 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Modularis, Inc.](https://appshunter.io/developer/1342363330) | [Rheem Manufacturing Company](https://appshunter.io/developer/853793269) |

## What reviewers say

### PuriFi Install

[App page](https://appshunter.io/ios/app/purifi-install/id1584701413)

This app streamlines the installation and setup of air and surface purification systems. It allows for quick device pairing and configuration of system settings, including indoor air quality levels by zone.

**Highlights:** Fast and efficient installation, Device pairing, System configuration, Indoor air quality settings, Zone-based adjustments

**Features:** macOS Compatibility

**In-app purchases:** none


### Ruud

[App page](https://appshunter.io/ios/app/ruud/id1608918835)

This app streamlines HVAC installation, service, and support for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with access to product information, warranty tracking, and dealer locators.

**Highlights:** Bluetooth setup and troubleshooting, System operating parameter monitoring, Alarm diagnosis and history, Access installation instructions and manuals, Track warranty information, Locate retailers and distributors, Find rebate and financing information

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PuriFi Install free?

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

### Is Ruud free?

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

### Which has better reviews, PuriFi Install or Ruud?

PuriFi Install is rated higher. PuriFi Install averages 5.0 out of 5 from 1 ratings, while Ruud averages 4.6 from 1.1K ratings.

### Do PuriFi Install or Ruud have ads?

Neither PuriFi Install nor Ruud shows ads.

### Which is updated more often, PuriFi Install or Ruud?

PuriFi Install ships an update every 3 months, and Ruud monthly. Most recently, PuriFi Install was updated on October 7, 2026 and Ruud on October 28, 2026.

---

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