---
title: "Acid Plus - The ABG Calculator - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "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 an"
---

# Acid Plus - The ABG Calculator — United States
> Fast, powerful acid-base data

![Acid Plus App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple122/v4/bf/67/f5/bf67f5ac-f588-16ab-2e88-b111aba42204/AppIcon-1x_U007emarketing-0-10-0-85-220.png/434x0w.png)

**Developer:** [Free Radical Software](https://apptail.io/developer/free-radical-software-rcGb)
**Category:** Medical
**Rating:** 4.9/5 (70 ratings)
**Price:** Free
**Bundle ID:** com.freeradicalsoft.acidplus
**Store:** Apple App Store
**Country:** United States
**Version:** 3.3.1 (released 2022-06-14)
**Original Release:** 2008-12-22
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id300521236)
**AppTail Page:** [https://apptail.io/app/acid-plus-the-abg-calculator-Ce/united-states](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/united-states)

## Acid Plus Description
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.

## Acid Plus Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple125/v4/55/a1/65/55a16573-018b-0777-e6e5-6b4e51c35d53/mzl.fjihqoww.jpg/320x460.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple115/v4/5b/0e/f0/5b0ef034-8bba-2b6b-d785-0400702cb036/mzl.lhzdbdct.jpg/320x480.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple125/v4/a2/80/ca/a280cae7-0ecb-1211-28af-98bc5783fe21/mzl.koorpmmm.jpg/320x460.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple125/v4/77/ea/26/77ea2681-b801-2b70-431d-6e3f7663a9e6/mzl.ucuyklzt.jpg/320x460.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple115/v4/a5/01/85/a50185ef-36df-da82-efcb-628310fc3966/mzl.nspxkync.jpg/320x460.png)

## Acid Plus Rating Breakdown in United States
- 5 stars: 66 (94%)
- 4 stars: 3 (4%)
- 3 stars: 1 (1%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)

## Acid Plus Reviews in United States

### ***** "Love this ABG app"
The perfect app for the wards.  The picker for choosing values is great.
-- Lakki, 2021-07-04

### ***** "So great to see this app return!"
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!
-- broken.jar, 2021-07-04

### ***** "So useful"
Not only is it easy to use but there’s just so much detailed info available. Really helpful to be able to see how all the results are derived.
-- Merqtio77, 2021-07-02

### ***** "Great app"
Please update for new IOS versions!!!!!
-- joj884, 2018-10-22

### *---- "Needs update"
It was great but can’t use it anymore
-- HorseWiseGal, 2018-04-17

### *---- "Doesn’t work"
Doesn’t work with new iOS update
-- 1DivaRN, 2017-11-14

### ***-- "Need the update"
It was a 5 star but not able to use with new IOS so rating is zero. Three is until update so I can use again and bring rating back to five. Please update
-- RaptureB, 2017-11-06

### *---- "Outdated"
How good is it if it does not work with iOS 11? Update soon to go back to 5 stars.
-- siempre, 2017-10-31

[View all Acid Plus reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)

## Acid Plus In-App Purchases
| Item | Price |
|------|-------|
| Monthly Subscription | $0.99 |
| Annual Subscription | $5.99 |
| Quarterly Subscription | $1.99 |
| Acid Plus Lifetime Upgrade | $17.99 |


## Acid Plus Discovered Keywords
- gas calculator
- gas calc

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## Acid Plus Available In
- [United States](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/united-states)
- [Italy](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/italy)
- [Mexico](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/mexico)
- [Japan](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/japan)
- [India](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/india)
- [Canada](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/canada)
- [Australia](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/australia)
- [Chile](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/chile)
- [Brazil](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/brazil)
- [Philippines](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/philippines)
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- [South Africa](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/south-africa)
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- [Dominican Republic](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/dominican-republic)
- [Denmark](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/denmark)
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- [Poland](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/poland)
- [Czechia](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/czechia)
- [China](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/china)
- [Russia](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/russia)
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- [Belgium](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/belgium)
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- [Thailand](https://apptail.io/app/acid-plus-the-abg-calculator-Ce/thailand)
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---

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