ACCA DuctWheel vs Daikin Service
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ACCA DuctWheel
This app simplifies HVAC duct sizing using ACCA's Manual D standard. It offers an interactive digital wheel for various duct types, pressure calculations, and environmental corrections. Save snapshots and switch between calculation wheels for efficient design.
- ACCA Manual D compliant
- Digital duct sizing wheel
- Supports various duct types
- Converts round to rectangular ducts
- Calculates pressure and friction rate
- Altitude and temperature correction
- Snapshot saving
Read full descriptionHide full description
Accurate HVAC duct sizing the easy way. DuctWheel is the only duct sizing measurement app powered by ACCA's Manual D, the ANSI standard for residential duct design. It features the same easy interface as the popular wheel sizing device that technicians have been using for years—now you can zoom in, lock the wheel in place, take a snapshot for future reference, and it never wears out! Flip between two different wheels for different calculations. Uses: Sizes metal ducts, lined metal ducts duct board airways, and wire helix flexible ducts; converts round shapes to equivalent rectangles; correlates available pressure with the total effective length and friction rate (Manual D Sizing Calculations); converts velocity pressure and vice versa; corrects for altitude and temperature. Includes instructions manual.
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
Read full descriptionHide full description
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
Screenshots
Verdict
The clearest difference is price: Daikin Service at Free against ACCA DuctWheel's $24.99. Daikin Service also leads on update cadence (monthly vs every 44 months) and rating (3.6 vs 3.3). ACCA DuctWheel's advantage is iOS requirement (11.0 vs 15.0). On review sentiment, ratings volume, ads and in-app purchases 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
Daikin Service is free to download; ACCA DuctWheel costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Daikin Service holds the better App Store score, 3.6 against 3.3. Both are backed by a comparable volume of ratings — 13 and 11 respectively. Written reviews point the same way: 45% of ACCA DuctWheel's written reviews are positive against 51% of Daikin Service's.
ACCA DuctWheel ships an update every 44 months, Daikin Service monthly. The most recent releases landed on November 7, 2026 and November 1, 2026 respectively.
| Parameter | ACCA DuctWheel | Daikin Service |
|---|---|---|
| Price | $24.99 | Free — better |
| Rating | 3.3 (13 ratings) | 3.6 (11 ratings) — better |
| Positive reviews | 45.5% of reviews | 50.9% of reviews — better |
| Number of ratings | 13 — better | 11 |
| Update frequency | Every 44 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 18 MB | 111 MB |
| Age rating | 4+ | 4+ |
| Developer | Air Conditioning Contractors of America | Daikin Airconditioning UK Ltd |
Customer experience
ACCA DuctWheel
Daikin Service
In-app purchases
ACCA DuctWheel
No in-app purchases
Daikin Service
No in-app purchases
Questions
Is ACCA DuctWheel free?
Is Daikin Service free?
Which has better reviews, ACCA DuctWheel or Daikin Service?
Do ACCA DuctWheel or Daikin Service have ads?
Which is updated more often, ACCA DuctWheel or Daikin Service?
Other comparisons
