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Best So2 Acid Basic Test Apps

213+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

Finding the right so2 acid basic test app can be overwhelming with so many options. We've analyzed 213+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for So2 Acid Basic Test

iHealth COVID-19 Test#1

iHealth COVID-19 Test by iHealth Labs Inc.

COVID-19 Antigen Rapid Test
Editor's Choice
💪 Health & Fitness
4.5😊(5.4K ratings)
Free
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iHealth COVID-19 Test screenshot 6

This app facilitates at-home COVID-19 self-testing using an FDA EUA Authorized OTC antigen rapid test. It provides a simple, 15-minute process with step-by-step video guidance for easy result interpretation and sharing.

What We Love

  • 👍 Easy to use
  • 🚀 Simplified and user-friendly
  • 🚀 Clear step-by-step instructions
  • 💡 Informative videos and timers

Room to Improve

  • 🐛 Issues with reporting results and symptom selection
  • 🔒 Concerns about data collection and privacy
  • 🔒 Requirement to download app and create account
Pocket Prep Nursing 2026#2

Pocket Prep Nursing 2026 by Pocket Prep, Inc.

Pass PMHNP, CCRN, CEN, CNOR
Strong Contender
📚 Education
4.8😊(9K ratings)
FreeAdsIn-App Purchases
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Prepare for nursing certification exams with thousands of practice questions and mock exams. Reinforce key concepts and improve retention to pass confidently. Study relevant, up-to-date content crafted by experts.

What We Love

  • 🚀 Convenient and affordable
  • 👍 Helpful rationales and references
  • 🚀 Effective for certification prep
  • 👍 User-friendly and easy to use

Room to Improve

  • 🐛 Glitchy and buggy
  • ❌ Inaccurate or misleading questions
  • 🤔 Questions not reflective of actual exams
Pocket Prep Nursing School '26#3

Pocket Prep Nursing School '26 by Pocket Prep, Inc.

Pass ATI TEAS, HESI A2, NCLEX
Worth Considering
📚 Education
4.8😊(7.7K ratings)
FreeAdsIn-App Purchases
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Prepare for nursing school entrance and exit exams with thousands of practice questions and mock exams. Expert-crafted content and detailed explanations help reinforce concepts and build confidence for exam day.

What We Love

  • 👍 Great for HESI A2 prep
  • 🚀 Convenient for on-the-go studying
  • 💡 Customizable quizzes and tracking
  • 👍 Helpful explanations for answers

Room to Improve

  • ❌ Not as useful for NCLEX prep
  • 🐛 Occasional freezing and glitches
  • 🔍 Limited filtering and quiz creation options

More So2 Acid Basic Test apps to explore

4
A2 Nursing Exam Prep 2026
A2 Nursing Exam Prep 2026
A2 Nursing Exam Prep 2026
HESI A2 Practice Tests 2025
Free

Prepare for the HESI A2 exam with over 900 practice questions, mock tests, and AI-powered analysis. This app helps you identify weak areas and optimize your study time to pass the exam on your first attempt.

900+ practice questionsMock testsAI study assistant (Mentora)
📚 Education
(2.1K)
free with in-app purchases
5
FROG Water Care
FROG Water Care
FROG Water Care
by King Technology Inc.
Free

This app guides pool, hot tub, and swim spa owners using specific sanitizing systems. It offers personalized recommendations, step-by-step instructions based on test strip results, and troubleshooting advice to maintain optimal water conditions.

Supports FROG and FROG @ease test stripsStep-by-step water care recommendationsView testing history
🌟 Lifestyle
(4.7K)
free
6
AquaChek Connect
AquaChek Connect
AquaChek Connect
by Hach Company
Free

This app uses photo capture technology to scan test strips and provide personalized pool water treatment recommendations. It offers features like test result history, a water volume calculator, and maintenance reminders to simplify pool care.

Photo capture test strip scanningPersonalized treatment recommendationsTest result history
🔧 Utilities
(1.1K)
free with in-app purchases
7
Clorox Pool
Clorox Pool
Clorox Pool
Simple, smart pool maintenance
Free

This app helps DIY pool owners maintain their pools with expert water test analysis and personalized product recommendations. It offers troubleshooting for common pool problems and allows users to shop for recommended products online.

Scan pool test stripsManual test result entryAI-driven water test analysis
🌟 Lifestyle
(29K)
free with in-app purchases
8
IQAir AirVisual | Air Quality
IQAir AirVisual | Air Quality
IQAir AirVisual | Air Quality
Air quality, Wildfire & Pollen
Free

Access real-time and forecasted air quality data for over 500,000 locations worldwide. Understand pollutant levels, receive health recommendations, and track wildfire and pollen information to plan your day safely.

Real-time air quality data7-day air pollution forecastWorld pollution maps
☀️ Weather
(42K)
free with in-app purchases
9
Amino Acid Quiz
Amino Acid Quiz
Amino Acid Quiz
Learn the Amino Acids
Free

Test and enhance your understanding of the 20 standard amino acids with customizable quizzes. Explore topics like names, structures, codes, codons, and side chain classes. Study all topics for free, with an optional in-app purchase to remove ads.

Customizable quizzes20 standard amino acidsAmino acid names
📚 Education
(833)
free with in-app purchases
10
Blood Test Guide
Blood Test Guide
Blood Test Guide
Analyze Your Blood Test Report
Free

Understand your blood test results with this comprehensive guide. It explains various blood test elements, their normal ranges, and potential causes for deviations. The app also helps locate nearby medical facilities and provides directions.

Understand blood test resultsReference ranges for medical testsInformation on blood test elements
🏥 Medical
(33)
free with in-app purchases
11
NCLEX RN & PN Test Prep 2026
NCLEX RN & PN Test Prep 2026
NCLEX RN & PN Test Prep 2026
Pass NCLEX PN & RN Exams
Free

Prepare for your NCLEX PN and RN certification exams with a comprehensive mobile study tool. Practice over 1,600 questions across key nursing domains with detailed feedback and versatile testing modes to boost your confidence and readiness for licensure.

Over 1,600 practice questionsTopic-specific focusVersatile testing modes
📚 Education
(20)
free with in-app purchases
12
EPA 608 Practice 2026
EPA 608 Practice 2026
EPA 608 Practice 2026
HVAC exam test prep & more
Free

Prepare for HVAC certification exams with a comprehensive question bank, detailed answers, and simulated test environments. Access PDF resources, track your progress, and focus on weak areas with specialized study modes. This ad-free app offers intensive training and mistake analysis for effective exam readiness.

Comprehensive question bankSimulated exam modePDF resource access
📚 Education
(437)
free with in-app purchases
13
Lab Test Values
Lab Test Values
Lab Test Values
Laboratory Investigations
Free

This app offers general information on common laboratory tests, including normal ranges for blood and other body fluid analyses. It covers a wide array of lab disciplines like hematology, biochemistry, and microbiology, serving as an educational resource for students and technicians. It explicitly states it is not for diagnostic purposes.

Commonly used lab test informationNormal ranges for various testsCovers hematology, biochemistry, hormones, and more
🏥 Medical
(310)
ad-supported
14
Picmonic Nursing & NCLEX Study
Picmonic Nursing & NCLEX Study
Picmonic Nursing & NCLEX Study
LPN FNP NCLEX RN Exam Prep
Free

Master nursing school and board exams with engaging mnemonic videos and practice questions. This app uses research-proven techniques to boost memory retention, helping you learn more effectively and retain information longer. Prepare for NCLEX, NP exams, and various nursing courses with a comprehensive study tool.

Mnemonic videosSpaced repetition quizzingThousands of quiz questions
📚 Education
(21K)
free with in-app purchases
15
Pregnancy Test Scanner/Reader
Pregnancy Test Scanner/Reader
Pregnancy Test Scanner/Reader
get the result easily
Free

Analyze pregnancy test results using AI and explore community discussions and articles. Offers a prediction quiz for informational purposes. Requires a premium subscription for full access.

AI pregnancy test analysisCommunity forum for sharingInformational articles
💪 Health & Fitness
(688)
freemium
16
ABG Acid-Base eval
ABG Acid-Base eval
ABG Acid-Base eval
by Joshua D. steinberg
Free

This app guides clinicians through analyzing ABGs and electrolytes to identify acid-base disorders and diagnostic ideas for ill patients. It teaches a stepwise thinking process and provides differential diagnoses with explanations, aiding patient care and clinician learning.

Stepwise ABG and electrolyte analysisIdentifies acid-base disordersProvides diagnostic ideas
🏥 Medical
(7)
paid
17
Yuka - Food & Cosmetic Scanner
Yuka - Food & Cosmetic Scanner
Yuka - Food & Cosmetic Scanner
Check What's in Your Products
Free

Scan product barcodes to instantly assess their health impact. Receive detailed analysis, ratings, and recommendations for healthier alternatives. This independent project offers objective reviews for millions of food and cosmetic items.

Barcode scanning for food and personal care productsInstant health impact assessmentDetailed product analysis and ratings
💪 Health & Fitness
(96K)
free with in-app purchases
18
Think Dirty – Shop Clean
Think Dirty – Shop Clean
Think Dirty – Shop Clean
Skincare & Beauty Scanner
Free

Decode beauty and skincare product labels with this app. It analyzes ingredients, provides safety ratings, and helps you find cleaner alternatives. Scan barcodes or search millions of products to make informed purchasing decisions.

Barcode scanning for product analysisIngredient safety ratingsHealth impact breakdowns
💪 Health & Fitness
(55K)
free with in-app purchases
19
EWG's Healthy Living
EWG's Healthy Living
EWG's Healthy Living
Scan, search, compare products
Free

This app provides science-backed ratings for everyday products like cosmetics, food, and cleaning supplies. Scan barcodes or search for products to receive a simple score, helping you make informed and healthier purchasing decisions.

Scan product barcodesSearch for productsScience-backed ratings
💪 Health & Fitness
(1.9K)
free with in-app purchases
20
CNOR Test Prep 2026
CNOR Test Prep 2026
CNOR Test Prep 2026
Practice CNOR Exam Questions
Free

Prepare for your CNOR certification exam with over 800 practice questions and detailed explanations. This app offers multiple test modes and performance tracking to help you study efficiently and pass on your first attempt. Content is updated based on the latest exam syllabus.

Over 800 practice questionsDetailed answer explanationsMultiple test modes
📚 Education
(41)
free with in-app purchases