Daikin Service vs Ruud
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Daikin Service
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.
- Fault code lookup
- Additional charge calculations
- PCB dip switch settings
- Pressure and temperature checks
- Outdoor unit field settings
- Refrigerant recovery settings
- Emergency modes
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The Daikin Service Application has been launched by Daikin Airconditioning UK to support service engineers in the air conditioning industry working with Daikin VRV, Daikin Altherma and Daikin Split and Sky Air Equipment. The application covers various functions to help field engineers to fault find Daikin equipment such as, Fault Codes Additional Charge Calculations Replacement PCB Dip Switch Settings Pressure Transducer and Temperature Thermistor Checks Also various Outdoor Unit field settings including, Fan Coil and BSVQ Box Count Check Refrigerant Recovery Setting Outdoor Unit Emergency Modes VRV Short Test Run Procedures
Ruud
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.
- 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
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We’ve redesigned Ruud for Contractors to offer the industry’s most powerful, intuitive, and easy-to-use app. Whether you’re on a residential service call or installing 40 units at a major site, the free Ruud Contractor app’s Bluetooth® capability – paired with an enabled HVAC system -- makes set-up and troubleshooting simpler than ever. With Ruud for Contractors and eligible air systems, you can easily: Install - Set up systems quickly and easily with the new Bluetooth® setup - Monitor operating parameters from your phone while charging outdoor units - Verify system setup with access to system operating status - Quickly check for alarms Service - Diagnose active alarms and alarm history - Check system operating status - Easy step-by-step parts replacement and system setup The Ruud for Contractors app also offers powerful support for all of our air and water products, with a new Product Technical Support design that is easier to use and more accurate than ever: - Access installation instructions - Search parts lists - Download manuals - View tech sheets - Research consumer literature Track Warranty information - Scan and confirm model and ownership details - Check warranty status and share HVAC systems warranty certificate Locate - Look up retailers - Look up distributors Research - Find up-to-date rebate information - Research financing options - Offer extended warranty - Confirm AHRI information and certification for HVAC systems
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Daikin Service | Ruud |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (11 ratings) | 4.6 (1.1K ratings) — better |
| Positive reviews | 50.9% of reviews — better | 50.0% of reviews |
| Number of ratings | 11 | 1.1K — better |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 111 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | Daikin Airconditioning UK Ltd | Rheem Manufacturing Company |
Customer experience
Daikin Service
Ruud
In-app purchases
Daikin Service
No in-app purchases
Ruud
No in-app purchases









