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App Store Apps > Medical > Acid Plus - The ABG Calculator
Acid Plus - The ABG Calculator icon

Acid Plus - The ABG Calculator

by Free Radical Software · Medical · Free
No longer on the App Store

Acid Plus - The ABG Calculator is made and published by Free Radical Software. AppBrain is an independent app data site and isn't affiliated with Free Radical Software. The app name, icon, screenshots and description belong to Free Radical Software and are shown as published on the App Store.

AppBrain's verdict

Removed
Rating on App Store
4.92
61 ratings
Last updated
June 14, 2022
Size
25.6 MB

Acid Plus - The ABG Calculator is no longer on the App Store. It had too few ratings to say what users thought.

User feedback

Ratings and reviews on the App Store

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Store listing

By Free Radical Software, from the App Store
This app is currently not available on the App Store.

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Screenshots of this removed app
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Description by Free Radical Software Written by the developer, not by AppBrain. Click to read.
Designed, programmed, and used by two internal medicine docs, Acid Plus is an essential tool for healthcare professionals who need quick, detailed, and easy-to-interpret acid-base results from ABGs and metabolic panels.

Ideal for MDs, PAs, NPs, RNs, RTs, EMTs, and med students, everything you need for acid-base calculations is put right in the palm of your hand. No more clunky ABG websites or guesswork.

With an intuitive design and easy-to-read display, Acid Plus makes it a breeze to answer even the most complex acid-base problems in seconds. Just turn the device to landscape view to get a colorful graph with an arrow highlighting the disorder.

*** What Others Say **************

• "This is certainly the best ABG calculator that we have seen so far on the iPhone and iPod Touch."
- Firas Salim, www.pda4peds.com

• "If you are practicing medicine and own an iPhone, you need to have it."
- Igor Kovic, MD, www.ivor-kovic.com

• "Interpreting the ABG and electrolytes to understand the acid-base status in my patients just turned from a chore into something immensely enjoyable. I cannot help smiling whenever I start this application."

• "This program is awesome! You have no idea how much this helps. Thank you so much."

********************************

Features:
• Fast, accurate input using the dial
• Primary calculations including partial and complete compensations using anion gap with delta delta
• International support for kPa
• Ability to discern complex acid/base problems with secondary disorders
• See the anion gap and delta delta displayed on-screen with metabolic acidoses
• Detailed views listing common causes of the primary acid-base disorder
• On-the-fly derivation of anion gap, delta-delta, and base excess
• Rotating your device right or left to landscape view reveals a colorful interactive acid-base graph
• Interactive graph helps visualize acid-base disorders quickly and powerfully
• Set your own institution's anion gap easily for personalized results
• Save and recall your most recent ABG for quick review
• Works on iPhone and iPad



If you like the program please rate it. If you have any concerns or find any bugs please contact us at support@freeradicalsoft.com

DISCLAIMER: Please consider that the results provided by this program are intended to supplement but not substitute for the expertise and clinical judgment of a healthcare professional. The results and accompanying educational material are provided as is, and Free Radical does not warrant that they are accurate or up to date, although that is certainly our goal.

Safety and technology

Found in the app by AppBrain
Price
Free
App size
25.6 MB
Content rating
High

Technologies used by Acid Plus - The ABG Calculator

Releases

Updates seen on the App Store
Version
3.3.1
Launched
before 2010

No changelog data

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About the app and developer

About Acid Plus - The ABG Calculator

Acid Plus - The ABG Calculator was a medical app developed by Free Radical Software. It was removed from the App Store Mar 28, 2025.

User Ratings

Acid Plus - The ABG Calculator was rated 4.92 out of 5 stars, based on 61 ratings.

App Information

Acid Plus - The ABG Calculator was free. The app size was 25.57 MB. The last available version was 3.3.1. The last update was on June 14, 2022.

Technical Requirements

The app had a content rating of High Maturity. The app had been available on the App Store since before 2010.

Developer information for Free Radical Software

Free Radical Software

Address:

Frequently asked questions about Acid Plus - The ABG Calculator

Is Acid Plus - The ABG Calculator free?

Yes. Acid Plus - The ABG Calculator was free on the App Store.

Is Acid Plus - The ABG Calculator still available?

No. Acid Plus - The ABG Calculator was removed from the App Store. We last saw it there Mar 28, 2025.

How large is Acid Plus - The ABG Calculator?

Acid Plus - The ABG Calculator is 25.57 MB.

Is Acid Plus - The ABG Calculator suitable for children?

App Store gives Acid Plus - The ABG Calculator a high maturity rating. It is meant for adults.

How do people rate Acid Plus - The ABG Calculator?

Acid Plus - The ABG Calculator scored 4.92 out of 5 stars, from 61 ratings on the App Store.

Who made Acid Plus - The ABG Calculator?

Acid Plus - The ABG Calculator was developed by Free Radical Software. It was listed in the medical category on the App Store.

What are the best alternatives to Acid Plus - The ABG Calculator?

People looking at Acid Plus - The ABG Calculator also look at these medical apps: ABG Expert, Complete ABG Analysis, Anion Gap Calculator, VentilO, MD on Call.

Share Acid Plus - The ABG Calculator

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