# Daikin Service vs Ruud

The clearest difference is rating: Ruud at 4.6 against Daikin Service's 3.6. Ruud also leads on ratings volume (1.1K vs 11). Daikin Service's advantage is device support (3 vs 1). On price, review sentiment, 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.

Ruud holds the better App Store score, 4.6 against 3.6. That said, the two scores are not equally well evidenced: Ruud has 1.1K ratings behind it against 11, so its average is the more settled of the two. Written reviews split almost evenly too, at 51% and 50% positive.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Daikin Service | Ruud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (11 ratings)](https://appshunter.io/ios/app/daikin-service/id571282882/reviews) | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/ruud/id1608918835/reviews)** |
| Number of ratings | 11 | **1.1K** |
| Positive reviews | **50.9% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 111 MB | 123 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daikin Airconditioning UK Ltd](https://appshunter.io/developer/482466505) | [Rheem Manufacturing Company](https://appshunter.io/developer/853793269) |

## What reviewers say

### Daikin Service

[App page](https://appshunter.io/ios/app/daikin-service/id571282882)

This app assists service engineers in the air conditioning industry with Daikin VRV, Altherma, Split, and Sky Air equipment. It provides tools for fault finding, including fault codes, refrigerant calculations, and diagnostic checks. The application also supports outdoor unit settings and operational procedures.

**Highlights:** Fault code lookup, Additional charge calculations, PCB dip switch settings, Pressure and temperature checks, Outdoor unit field settings, Refrigerant recovery settings, Emergency modes

**Features:** macOS Compatibility

**In-app purchases:** none


### Ruud

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

This app simplifies HVAC installation, service, and troubleshooting for contractors. It offers Bluetooth® connectivity for system setup, diagnostics, and parameter monitoring, along with access to product manuals, warranty information, and retailer locations.

**Highlights:** Bluetooth® setup and monitoring, System diagnostics and alarm history, Step-by-step parts replacement, Access to manuals and tech sheets, Warranty tracking and certificate sharing, Retailer and distributor locator, Rebate and financing research

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Daikin Service free?

Daikin Service 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, Daikin Service or Ruud?

Ruud is rated higher. Daikin Service averages 3.6 out of 5 from 11 ratings, while Ruud averages 4.6 from 1.1K ratings.

### Do Daikin Service or Ruud have ads?

Neither Daikin Service nor Ruud shows ads.

### Which is updated more often, Daikin Service or Ruud?

Daikin Service ships an update monthly, and Ruud monthly. Most recently, Daikin Service was updated on November 1, 2026 and Ruud on November 8, 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.*