# ISS calculator

> Ichthyosis severity scoring system for clinical trials and practice. (iPhone/iPad app by Sujal Adhia.)

- Source: https://appshunter.io/ios/app/iss-calculator/id1531086115 (this page in markdown: same URL + `.md`)
- Developer: [Sujal Adhia](https://appshunter.io/developer/1475334795)
- Category: Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 2 MB
- Languages: English
- Released: 2020-09-25
- Data updated: 2026-07-05
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/iss-calculator/id1531086115/reviews.md

## What is ISS calculator?

The Ichthyosis Scoring System (ISS) is a comprehensive and user-friendly instrument for assessing the extent and clinical severity of ichthyosis across the entire body. It is designed for use in clinical trials, research and clinical practice to assess severity and response to treatments. We make it easy for researchers and physicians to calculate a severity score for adults and children with ichthyosis. 

The ISS was conceived and developed by Keith Choate, Amy Paller and Mary Sun in response to the U.S. Food and Drug Administration's recommendation for an ichthyosis severity assessment tool that can score the entire body surface, with scoring categories tailored to FDA guidelines. 

Disclaimer: Please seek a dermatologist’s advice before making any medical decisions based on the calculated severity score.

## Key features

- Assess ichthyosis extent and severity
- User-friendly instrument
- For clinical trials and research
- Track treatment response
- Score adults and children
- Follows FDA guidelines


## Frequently asked questions about ISS calculator

### What is the ISS calculator used for?

The ISS calculator is used to assess the extent and clinical severity of ichthyosis across the entire body. It's designed for use in clinical trials, research, and clinical practice to evaluate severity and response to treatments.

### Who developed the ISS calculator?

The ISS calculator was conceived and developed by Keith Choate, Amy Paller, and Mary Sun in response to a U.S. Food and Drug Administration recommendation.

### Can the ISS calculator be used for children?

Yes, the ISS calculator is designed to make it easy for researchers and physicians to calculate a severity score for both adults and children with ichthyosis.

### Does the ISS calculator require a medical professional to use?

While the tool is designed for clinical use, the disclaimer advises users to seek a dermatologist's advice before making any medical decisions based on the calculated severity score.

### What devices does the ISS calculator support?

The ISS calculator is available for iPhone and iPod devices.

### How often is the ISS calculator updated?

The latest version of the ISS calculator is 1.2, which was last updated on October 1, 2020.

### Does ISS calculator have ads?

No, the ISS calculator does not contain advertisements.

### What is the age rating for ISS calculator?

The ISS calculator has an age rating of 4+.

## Version history (last 3 releases)

### 1.2 — 2020-10-01

- Minor text change in labels

### 1.1 — 2020-09-30

- General improvements

### 1.0 — 2020-09-25

No release notes.

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All apps by Sujal Adhia: https://appshunter.io/developer/1475334795

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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 2026-07-05.*