Comparison

Alpha DESIGN® vs Douglas 3D Sizing

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

Alpha DESIGN®

Features

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This app uses the Structure SDK / TrueDepth camera for 3D scanning. Supported device list (updated regularly): https://techmed3d.zohodesk.com/portal/en/kb/articles/minimun-device-requirements With the Alpha DESIGN app, clinicians may shape capture, add design notations, and order transfemoral and transtibial custom Alpha DESIGN Liners from WillowWood. Using an OMEGA® Structure Sensor™ with this app, clinicians have a convenient solution for portable 3D-scanning of patients. Once a patient's residual limb is scanned, clinicians may then add clinical notes to shape files and photos then prepare and submit files for order placement. Using the Alpha DESIGN app and Structure Sensor, clinicians are equipped to: - Scan transfemoral and transtibial residual limbs - Take photos of residual limbs - Add clinical annotations to scans or photos - Complete custom liner order forms - Submit order forms, scans, clinical notes, photos and images with annotations to WillowWood To learn more about the Alpha DESIGN App, visit our website for how to get started: https://www.willowwoodco.com/getstarted/alpha-design-app

About

Douglas 3D Sizing

Features

Read full description

This app uses the Structure SDK / TrueDepth camera for 3D scanning. Supported device list (updated regularly): https://techmed3d.zohodesk.com/portal/en/kb/articles/minimun-device-requirements The Douglas 3D sizing app assist in accurate measurements of the athlete's body to assist in the development of custom made products.

Screenshots

Douglas 3D Sizing1 screens

Verdict

The call

The clearest difference is device support: Douglas 3D Sizing at 3 against Alpha DESIGN®'s 1. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Alpha DESIGN® ships an update every 4 months, Douglas 3D Sizing every 2 months. The most recent releases landed on September 17, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 5 level

Alpha DESIGN® versus Douglas 3D Sizing: the parameters behind the verdict, then further details
Parameter	Alpha DESIGN®	Douglas 3D Sizing
Price	Free	Free
Update frequency	Every 4 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPad	iPhone, iPad, iPod — better
Requires iOS	15.0	15.0
Further details — not scored
Size	136 MB	126 MB
Age rating	12+	17+
Developer	Willow Wood	TechMed 3D

In-app purchases

None

Alpha DESIGN®

No in-app purchases

None

Douglas 3D Sizing

No in-app purchases

Questions

Is Alpha DESIGN® free?

Alpha DESIGN® is free to download, with no in-app purchases.

Is Douglas 3D Sizing free?

Douglas 3D Sizing is free to download, with no in-app purchases.

Do Alpha DESIGN® or Douglas 3D Sizing have ads?

Neither Alpha DESIGN® nor Douglas 3D Sizing shows ads.

Which is updated more often, Alpha DESIGN® or Douglas 3D Sizing?

Alpha DESIGN® ships an update every 4 months, and Douglas 3D Sizing every 2 months. Most recently, Alpha DESIGN® was updated on September 17, 2026 and Douglas 3D Sizing on October 10, 2026.