# decimal3D — Radiation Oncology

> Medical software for designing and ordering patient-specific radiation therapy devices. (iPhone/iPad app by .decimal, LLC.)

- Source: https://appshunter.io/ios/app/decimal3d/id1471708895 (this page in markdown: same URL + `.md`)
- Developer: [.decimal, LLC](https://appshunter.io/developer/1471708894)
- Category: Medical
- Price: Free
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 17+
- Requires: iOS 15.6 · 39 MB
- Languages: American English
- Released: 2020-01-28
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/decimal3d/id1471708895/reviews.md

## What is decimal3D?

decimal3D is a medical software device that is cleared for use by the US FDA (510k #: K192554). It is used by radiation therapy professionals to design and order patient-specific devices for use in treating patients using external beam radiation therapy. This app requires customers to first contact .decimal in order to sign a Customer Agreement and establish user accounts for application access.

Built for use with the Structure Sensor by Occipital. decimal3D is an iPad App that enables users to capture a 3D full color, dimensionally accurate rendering of any patient's treatment area. Our simple to use app then allows users to quickly digitize the shape of the physician drawn treatment area and design the required electron aperture. From this App, users can then access our one-click ordering for an electron aperture to be manufactured by our company and it will arrive the next day.

decimal3D offers the following benefits to radiation oncology clinics:
  - Replaces the old clinical electron setup process with a high-tech, efficient solution
  - Decreases the number of steps in your workflow
  - Facilitates a better work environment by reducing stress on staff and patients
  - Provides less potential for accidents and errors
  - Decreases potential for delays that impact patient wait time and satisfaction

For further information please visit: dotdecimal.com

## Key features

- 3D patient treatment area capture
- Digitize and design electron apertures
- One-click ordering for custom devices
- FDA cleared medical software
- Streamlined radiation therapy workflow


## Frequently asked questions about decimal3D

### What is decimal3D used for?

decimal3D is a medical software device used by radiation therapy professionals to design and order patient-specific devices for external beam radiation therapy. It captures 3D renderings of treatment areas and facilitates the design and ordering of electron apertures.

### Is decimal3D FDA cleared?

Yes, decimal3D is a medical software device that is cleared for use by the US FDA with 510k #: K192554.

### What devices does decimal3D support?

decimal3D is an iPad app built for use with the Structure Sensor by Occipital. It is currently supported on iPads.

### How does decimal3D improve the radiation oncology workflow?

decimal3D replaces the old clinical electron setup process with a high-tech, efficient solution, decreasing workflow steps, reducing stress, and minimizing the potential for accidents, errors, and delays.

### How do I get access to decimal3D?

Access to decimal3D requires customers to first contact .decimal to sign a Customer Agreement and establish user accounts for application access.

### What is the update frequency for decimal3D?

The latest version of decimal3D is 1.10.2, last updated on January 28, 2026. This indicates a commitment to ongoing development and updates.

### What is the age rating for decimal3D?

decimal3D has an age rating of 17+, suggesting it is intended for professional use and may contain complex medical information.

### Does decimal3D have ads?

No, decimal3D does not contain advertisements. It is a professional medical software designed for clinical use.

## Version history (last 5 releases)

### 1.10.2 — 2026-01-28

Updated to support latest iOS

### 1.10.1 — 2021-12-10

- Adds support for Auth0 log in
- Fixes a bug with saving new patient photos
- Allows hyphens (-) in MRN
- Shipping addresses can now be managed via decimal Direct website
- Added a new setting to specify the DICOM Applicator Export Format
     - Numeric (e.g. 10x10)
     - ARIA Format (e.g. A10)
     - No Applicator Output

### 1.9.1 — 2021-07-28

- Updated DICOM RT Plan output to include Applicator Sequence and generic Prescription/Dose Reference fields to improve R&V compatibility
- Added Advanced Setting to allow users to turn on automatic filling of billing PO numbers 
- Various minor bug fixes and usability improvements are also included

### 1.9.0 — 2021-06-21

Added support for using a Library of Standard cutout shapes
 - Patient-specific blocks can be compared to a known library of "standards" and scored for fit
 - Users can select and order standard shape blocks when appropriate
Various minor bug fixes and usability improvements are also included

### 1.8.0 — 2021-04-07

- Fixes an error with the Gender tag in exported DICOM Plan files
- General improvements and bug fixes

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*