Acid Plus - The ABG Calculator icon
Custom Contacts icon
Lytes icon

Free Radical Software

For healthcare professionals (MDs, PAs, RNs) requiring clinical calculators and individuals seeking granular control over contact data sharing.

3apps4.8(135)MedicalProductivity

Snapshot

Who is Free Radical Software?

Equipping healthcare professionals and productivity-conscious users with specialized utility tools for precise data management and clinical calculations.

Target audience

Healthcare professionals (MDsPAsRNs) requiring clinical calculators

Portfolio

Free 2
3
apps
Medical2
Productivity1

Last updated

Acid Plus - The ABG Calculator

v3.3.1

4.4y ago

Steady

Publisher DNA

What defines Free Radical Software?

Publisher DNA

Primary focus

Medical utilities and productivity tools

Scale

indie

Target audience

Healthcare professionals (MDs, PAs, RNs) requiring clinical calculators and individuals seeking granular control over contact data sharing.

Origin

Founded by internal medicine physicians to replace manual clinical calculations and web-based tools with mobile-first interfaces.

Signature Patterns

  • •Focus on high-utility tools designed for specialized professional workflows
  • •Mixed monetization models including free, freemium, and one-time paid tiers
  • •Long-term maintenance of legacy titles with release dates spanning over 15 years
  • •Emphasis on clean, functional interfaces over visual flair
Steady

Portfolio momentum

Maintained a consistent update cycle with 3 releases across the 3-app portfolio in the last 6 months, including a major update within the last 10 days.

Last release 8d agoActive apps 3

Company profile

medium confidence
Founded
2008

Portfolio

What does Free Radical Software ship?

Apps

3 apps analysed

iMessage integration reduces workflow friction

  • Granular contact sharing allows users to maintain privacy by selecting specific information fields for exchange
  • Search functionality fails to return results for existing contacts, breaking the core navigation experience
Lytes icon
Lytes

Track workouts, health stats, and fitness progress with LYTE – all in one app.

4.8(10)

User Sentiment

How do users feel about their apps?

1

Positive apps

0

Neutral / mixed

0

Negative apps

75/100

Avg sentiment score

Rivals

Who does Free Radical Software compete with?

The rivals identified

Nemeses(2)

This app dominates the contact management niche with a massive user base and long-standing presence in the exact same utility domain.

MobiSystems

known forQuick Diagnosis & Treatment

1 app4.7Medical

Both apps target medical professionals requiring rapid clinical reference, with Lytes focusing on electrolyte disorders while the rival provides broader diagnostic content.

Contenders(10)

Arthur Uber

known forPediatric Blood Pressure

1 app4.9Medical

Both apps target clinicians with paid, specialized medical reference tools, competing for the same professional's limited mobile utility budget.

Dirkes Medical, PLLC

known forQuickEM

1 appMedical

Both apps target medical professionals with paid, specialized clinical reference tools, creating direct competition for the same clinical workflow budget.

Hipposoft

known forLab Values Medical Reference

1 app3.7Medical

Both apps target healthcare professionals with paid, offline-capable medical reference tools priced at $2.99, creating direct competition for clinical utility.

INDIGOMED

known forIndigo - Medical Reference

1 app4.5Medical

Both apps target medical professionals and residents, competing for the same clinical reference utility on hospital wards.

Les Éditions Formed

known forLanthier

1 app4.1Medical

Both apps target clinicians with medical reference content and PubMed integration, creating direct competition for bedside utility in hospital settings.

Playa Apps

known forContacts Mover Pro

2 apps4.3Productivity

Offers specialized utility for migrating and organizing contacts, serving the same core productivity audience.

RADIOLOGiQ

known forIncidentaloma CT / MRI Guide

1 app4.4Medical

Both apps target clinicians at the point of care, competing for limited screen time during hospital rounds by providing specialized clinical decision-support content.

Skyscape Medpresso

known forCURRENT Med Diag & Treatment

4 apps4.9Medical

Both apps target clinicians with clinical reference material, creating direct competition for the limited time medical professionals spend on diagnostic tools.

Unbound Medicine

known for5 Minute Clinical Consult

3 apps4.9Medical

Provides diagnostic algorithms for the same clinical audience.

William Wyatt

known forLab Values Reference Guide

1 app3.1Medical

Both apps target clinicians and medical students requiring rapid clinical reference tools for hospital rotations. They compete directly for the same user base seeking quick information retrieval during patient care.

Same space(19)

AMBOSS

known forAMBOSS Medical Knowledge

1 app4.9Medical

Offers a broader clinical knowledge library that complements the specific electrolyte focus of Lytes.

Offers cardiovascular guidelines for the same clinical audience.

Catfish Animation Studio

known forAnatomy 3D Atlas

2 apps4.6Medical

Targets the same medical students and clinicians with visual anatomy tools.

Class Publishing

known foriCPG: the JRCALC Guidelines

1 app0.0Medical

Targets prehospital clinicians with clinical practice guidelines similar to the clinical reference in Lytes.

Cozi

known forCozi Family Organizer

1 app4.8Productivity

Adjacent productivity tool that manages shared family information, overlapping with the target's contact-sharing utility.

Eko Health

known forEko: Digital Stethoscope + ECG

1 app4.8Medical

Integrates into the same physical exam workflow as Lytes but focuses on cardiac diagnostics.

ELSO

known forECMO Bedside Guide

1 app5.0Medical

Provides specialized clinical checklists for the same critical care audience.

Epocrates

known forepocrates: Drug Info & Pill ID

1 app2.7Medical

Provides drug reference tools for the same clinical audience that uses Lytes for electrolyte management.

Expanded Apps

known forCase Files: Geriatrics

1 app0.0Medical

Provides clinical training for the same professional audience.

Gerson Rodriguez

known forPediatric Blood Pressure AAP

1 app5.0Medical

Offers specialized clinical calculation tools for the same pediatric-focused clinicians.

IMAIOS

known forIMAIOS e-Anatomy

1 app4.1Medical

Provides a visual anatomical reference for the same clinician base that uses Lytes for electrolyte protocols.

KABBA

known forKalcuLytes - Electrolyte Replacement Calculator

1 app3.0Medical

Directly overlaps with Lytes by providing electrolyte replacement calculations.

Kehinde Yahaya

known forFluid-Electrolyte Calculator

1 app0.0Medical

Directly overlaps with Lytes by providing fluid and electrolyte correction calculations.

Merck & Co

known forMerck Manual Professional

1 app4.8Medical

Acts as a comprehensive medical reference library for the same professional audience.

Notion Labs

known forNotion: Notes, Tasks, AI

1 appProductivity

Broad productivity platform that includes contact database templates, competing for the user's organizational screen time.

NYSORA

known forNYSORA Nerve Blocks

1 app4.1Medical

Serves the same hospital-based clinician audience but focuses on regional anesthesia rather than electrolyte management.

palmER Worldwide

known forpalmEM AI: EM Quick Reference

1 app4.3Medical

Offers AI-driven clinical decision support for the same hospital-based audience.

Tom Fadial

known forddxof: medical algorithms

1 app4.7Medical

Provides diagnostic algorithms for the same emergency department audience.

Provides drug comparison charts for the same clinical decision-making audience.

New entrants(2)

Blinq Technologies Pty

known forBlinq: Digital Business Card

1 app4.9Productivity

Rapidly emerging in the digital business card space with high release velocity and modern sharing features.

HiHello

known forHiHello: Digital Business Card

1 app4.9Productivity

A focused new entrant providing a modern, design-forward approach to digital contact exchange.

The Analyst's Read

The bottom line on Free Radical Software

Bottom line

Free Radical Software is a disciplined indie studio that successfully bridges the gap between specialized medical utilities and mass-market productivity. Their ability to maintain active, high-rated apps for over a decade demonstrates a sustainable utility-first model that prioritizes functional longevity over portfolio volume.

Frequently asked questions

How many apps does Free Radical Software publish?
Free Radical Software has 3 apps tracked by Marlvel, primarily in the Medical category.
What kind of apps does Free Radical Software make?
Free Radical Software's portfolio is concentrated in Medical and Productivity, with an average rating of 4.8/5 across rated apps.
What is Free Radical Software's top app?
By review volume across the portfolio, Acid Plus - The ABG Calculator is Free Radical Software's best-known app tracked by Marlvel.

What fed this analysis

Apps analyzed:
3
With full intel:
0
With overview:
3
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Free Radical Software, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Free Radical Software intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/free-radical-software

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Data licensed under CC-BY-NC 4.0