Acid Plus - The ABG Calculator

Name: Acid Plus - The ABG Calculator
Rating: 4.9 (71 reviews)
Author: Free Radical Software

By: Free Radical Software App

Fast, powerful acid-base data

Overview

Version:

3.3.1

Last updated: 2022-06-14

Ranking

#169,161 ▼ 525

Overall

Features & Capabilities

Acid Plus - ABG Calculator is a fast, powerful acid-base tool designed for healthcare professionals. Created, designed, and used by two internal medicine doctors, it delivers quick, detailed ABG and metabolic-panel analyses with an intuitive on-device display. After testing it for free, you can unlock Acid Plus for life with a one-time purchase.

Key features

Fast, accurate input using the dial
Partial and complete compensations using anion gap with delta-delta
International support for kPa
Ability to discern complex acid/base problems with secondary disorders
On-the-fly derivation of anion gap, delta-delta, and base excess
Landscape view reveals a colorful interactive acid-base graph
Customize institution's anion gap for personalized results
Save and recall your most recent ABG
Works on iPhone and iPad

User Growth & Download Statistics

App Education Data

By:

Free Radical Software

Rating:

4.90

(71)

Version:

3.3.1 Last updated: 2022-06-14

Version code:

850019956

Creation date:

2008-12-22

Compatible devices:

Size:

25.57MB

URLs:

Website ,Privacy policy

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-07-22

Compare stats and ranking:

Ranking

# 169,161 ▼ 525

For Developers

Monetize with App Pass Boost with Extension Booster

Contact the developer

Chrome-Stats does not own this Apple app. Please use these information below to contact the Apple app developer.

Developed by:

Free Radical Software

Apple Apps Store

https://apps.apple.com/us/app/acid-plus-the-abg-calculator/id300521236

Website:

http://www.freeradicalsoft.com

User Reviews

Users praise Acid Plus for easy, detailed ABG analysis with graph visualization and history recall, making it useful in clinical settings. However, multiple reviews flag iOS compatibility issues after system updates, occasional inaccuracies in complex cases, upsell concerns, and a missing base excess/deficit parameter.

Pros

Easy to use / intuitive user interface
Rich detail and transparency about how results are derived
Graph mode / ABG spectrum visualization with manual adjustment
Ability to recall previous ABG entries / review past analyses
Widely used and highly regarded by clinicians as a leading ABG calculator

Cons

Incompatibility with latest iOS versions causing the app to become unusable
Inaccurate results or difficulty handling complex ABG scenarios (e.g., mixed disorders)
Upsell/redirect to external products and perceived poor value for the price
Missing parameter (base excess/deficit) in the ABG analysis options

Recent reviews

The perfect app for the wards. The picker for choosing values is great.

by La*****, 2021-07-04

I’ve been missing this for a while but all the extra details available and being able to set the graph manually are really useful. Great update, thanks!