# ACCA DuctWheel vs Daikin Service

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.

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.

## The numbers

| Metric | ACCA DuctWheel | Daikin Service |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | [3.3 (13 ratings)](https://appshunter.io/ios/app/acca-ductwheel/id424430207/reviews) | **[3.6 (11 ratings)](https://appshunter.io/ios/app/daikin-service/id571282882/reviews)** |
| Number of ratings | **13** | 11 |
| Positive reviews | 45.5% of reviews | **50.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 18 MB | 111 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Air Conditioning Contractors of America](https://appshunter.io/developer/380544391) | [Daikin Airconditioning UK Ltd](https://appshunter.io/developer/482466505) |

## What reviewers say

### ACCA DuctWheel

[App page](https://appshunter.io/ios/app/acca-ductwheel/id424430207)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ACCA DuctWheel free?

ACCA DuctWheel costs $24.99, with no in-app purchases.

### Is Daikin Service free?

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

### Which has better reviews, ACCA DuctWheel or Daikin Service?

Daikin Service is rated higher. ACCA DuctWheel averages 3.3 out of 5 from 13 ratings, while Daikin Service averages 3.6 from 11 ratings.

### Do ACCA DuctWheel or Daikin Service have ads?

Neither ACCA DuctWheel nor Daikin Service shows ads.

### Which is updated more often, ACCA DuctWheel or Daikin Service?

ACCA DuctWheel ships an update every 44 months, and Daikin Service monthly. Most recently, ACCA DuctWheel was updated on November 7, 2026 and Daikin Service on November 1, 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.*