ACCA DuctWheel vs ServiceTitan Mobile
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
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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.
ServiceTitan Mobile
This app empowers plumbing, HVAC, and electrical contractors to enhance customer experiences and boost sales. It streamlines daily tasks for technicians, from dispatching and estimates to payment collection, fostering positive reviews and repeat business.
- Customer experience enhancement
- Sales and business results
- Technician performance tools
- Dispatching
- Estimate building
- Payment collection
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ServiceTitan Mobile 3.0 helps plumbing, HVAC, and electrical contractors deliver an exceptional customer experience while driving sales and business results. Built from the ground up, Mobile 3.0 incorporates best-in-class practices and a beautiful, user-centric design to power technician's day-to-day performance. With the ability to dispatch, build estimates, present multiple options, collect payment, and much, much more, Mobile 3.0 allows technicians to lead customers through an enhanced sales experience that will result in positive reviews and repeat business. ServiceTitan Mobile 3.0 app uses the Location Background mode. Continued use of GPS running in the background can dramatically decrease battery life.
Screenshots
Verdict
The clearest difference is price: ServiceTitan Mobile at Free against ACCA DuctWheel's $24.99. ServiceTitan Mobile also leads on update cadence (every 5 weeks vs every 44 months) and ratings volume (1.7K vs 13). ACCA DuctWheel's advantage is rating (3.3 vs 2.9) and review sentiment (45% vs 19%). On ads, in-app purchases and device support 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
ServiceTitan Mobile is free to download; ACCA DuctWheel costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ACCA DuctWheel holds the better App Store score, 3.3 against 2.9. That said, the two scores are not equally well evidenced: ServiceTitan Mobile has 1.7K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 45% of ACCA DuctWheel's written reviews are positive against 19% of ServiceTitan Mobile's.
ACCA DuctWheel ships an update every 44 months, ServiceTitan Mobile every 5 weeks. The most recent releases landed on November 7, 2026 and November 11, 2026 respectively.
| Parameter | ACCA DuctWheel | ServiceTitan Mobile |
|---|---|---|
| Price | $24.99 | Free — better |
| Rating | 3.3 (13 ratings) — better | 2.9 (1.7K ratings) |
| Positive reviews | 45.5% of reviews — better | 19.0% of reviews |
| Number of ratings | 13 | 1.7K — better |
| Update frequency | Every 44 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 11.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 18 MB | 279 MB |
| Age rating | 4+ | 4+ |
| Developer | Air Conditioning Contractors of America | ServiceTitan Inc. |
Customer experience
ACCA DuctWheel
ServiceTitan Mobile
Bugs and requests
ACCA DuctWheel
Not enough reviews yet to summarise bugs or requests.
ServiceTitan Mobile
Reported bugs
5 issues- App freezes and crashes frequently
- Syncing issues leading to data loss
- Zooming and navigation problems
- Inconsistent performance across devices
- Login and password reset issues
Requested features
6 requests- Add ability to upload more photos at once
- Improve equipment management features
- Integrate location notes and blueprints
- Optimize interface for smaller screens
- Add dark mode option
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- Improve stability and reduce crashes
In-app purchases
ACCA DuctWheel
No in-app purchases
ServiceTitan Mobile
No in-app purchases
Questions
Is ACCA DuctWheel free?
Is ServiceTitan Mobile free?
Which has better reviews, ACCA DuctWheel or ServiceTitan Mobile?
Do ACCA DuctWheel or ServiceTitan Mobile have ads?
Which is updated more often, ACCA DuctWheel or ServiceTitan Mobile?
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