Comparison

BioStep 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

BioStep

This app allows medical professionals to easily submit custom orthotic orders with detailed descriptions and images. It enables users to scan patient feet directly within the application.

Highlights
  • Submit custom orthotic orders
  • Detailed product descriptions
  • Image uploads for customization
  • Patient foot scanning
  • Secure professional access
Features
Read full description

The BioStep app is a professional ordering tool that allows licensed healthcare providers to capture 3D foot scans and submit orders for custom foot orthotics and AFOs fabricated by BioStep Inc. Providers can customize orders with complete product descriptions and images of every product. This app is intended exclusively for use by licensed healthcare professionals, including Podiatrists, Orthotists, Prosthetists, and Chiropractors. It is not intended for patient self-use and does not provide diagnoses, health measurements, or treatment advice. All clinical specifications are determined and entered by the treating provider. BioStep custom foot orthotics and AFOs are Class I devices, exempt from FDA premarket notification under 21 CFR 890.3475, and are intended for distribution within the United States. Disclaimer: This app is a professional ordering tool and is not a substitute for professional medical judgment. Patients should always seek the advice of a physician or qualified healthcare provider regarding any medical condition and before making any medical decisions. Note: A User Name and Password issued by BioStep is required to access the 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

BioStep4 screens
Douglas 3D Sizing1 screens

Verdict

The call

The clearest difference is update cadence: BioStep at fortnightly against Douglas 3D Sizing's every 2 months. Douglas 3D Sizing's advantage is iOS requirement (15.0 vs 17.6). On price, 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

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

BioStep ships an update fortnightly, Douglas 3D Sizing every 2 months. The most recent releases landed on September 7, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 7 level
BioStep versus Douglas 3D Sizing: the parameters behind the verdict, then further details
ParameterBioStepDouglas 3D Sizing
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size74 MB126 MB
Age rating4+17+
DeveloperBioStep IncTechMed 3D

In-app purchases

None

BioStep

No in-app purchases

None

Douglas 3D Sizing

No in-app purchases

Questions

Is BioStep free?
BioStep 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 BioStep or Douglas 3D Sizing have ads?
Neither BioStep nor Douglas 3D Sizing shows ads.
Which is updated more often, BioStep or Douglas 3D Sizing?
BioStep ships an update fortnightly, and Douglas 3D Sizing every 2 months. Most recently, BioStep was updated on September 7, 2026 and Douglas 3D Sizing on September 15, 2026.

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