Best Opioid Calculator Apps

246+ iOS apps curated and reviewed

4.2 avg rating
15 free apps
Updated October 2026

If you already know Opioid Calculator, this is the deeper bench. 246+ opioid calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Opioid Calculator Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Opioid CalculatorOpioid Calculator$0.993.7★ (9)NoNoSep 2026
2Opioid Conversion CalculatorOpioid Conversion CalculatorFree3.7★ (17)NoYesOct 2026
3MDCalc Medical CalculatorMDCalc Medical CalculatorFree4.9★ (52K)NoNoOct 2026
4Opioids Dosage ConversionOpioids Dosage ConversionFree4.3★ (18)NoNoJul 2026
5Opioid ToolOpioid ToolFree3.6★ (8)NoNoMay 2026
6HalfLife Medication CalculatorHalfLife Medication Calculator$2.99—NoNoOct 2026
7VISPro - VIS CalculatorVISPro - VIS Calculator$0.99—NoNoAug 2026
8RxCalcPro Clinical CalculatorRxCalcPro Clinical CalculatorFree—NoNoOct 2026

Top Picks for Opioid Calculator

3.7(9 ratings)
$0.99
#87in Medical
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This medical tool calculates the total oral Morphine Equivalent Daily Dose (oMEDD) for patients using multiple opioids. It aims to simplify complex calculations for clinical practice, education, and research.

Opioid Conversion Calculator#2

Opioid Conversion Calculator by Ayrial Beall

OME, MME & dose switching
Strong Contender
🏥 Medical
3.7(17 ratings)
FreeIn-App Purchases
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This medical app simplifies complex opioid conversion tasks for healthcare professionals. It offers extensive drug coverage, a visual safety indicator for dosages, and breakthrough dosing calculations. Available in multiple languages, it ensures accurate and safe pain management.

MDCalc Medical Calculator#3

MDCalc Medical Calculator by MD Aware, LLC

Clinical Decision Support
Worth Considering
🏥 Medical
4.9😊(52K ratings)
Free
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This app provides over 900 evidence-based medical calculators, risk scores, and clinical tools for healthcare professionals. It offers offline functionality, expert insights, and CME tracking to support patient care at the bedside. Tools are developed and validated by board-certified physicians.

What We Love

  • ⭐ Excellent resource
  • 🔍 Helpful and accurate
  • 🔥 Essential for clinical practice
  • 🤖 Useful for medical students and residents
  • 💻 Easy to use interface
  • 📚 Comprehensive library of calculators

Room to Improve

  • 🐛 Crashes and bugs after updates
  • 🔒 Mandatory login/registration issues
  • 📱 Poor user experience on mobile devices
  • 🔋 Battery drain and overheating
  • 🔍 Lack of certain measurement options (e.g. feet/inches)

More Opioid Calculator apps to explore

FAQ about Opioid Calculator

What are the best opioid calculator apps for iPhone?
Opioid Calculator tops our opioid calculator apps ranking as of October 2026, with a 3.7-star average from 9 App Store ratings, and it's priced at $0.99.
Yes — 15 of the top opioid calculator apps we rank are free to download, including Opioid Conversion Calculator and MDCalc Medical Calculator.
Opioid Calculator has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 246+ opioid calculator apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.