Comparison

RxCalc vs Cardio Tools

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RxCalc

This medical app provides essential pharmacokinetic calculations for healthcare professionals. It offers a fast interface and comprehensive results to streamline dosing regimen design and patient-specific adjustments for medications like vancomycin and aminoglycosides.

Highlights
  • Pharmacokinetic calculations
  • Vancomycin dosing
  • Aminoglycoside dosing
  • Post-level adjustments
  • Fast interface
  • Comprehensive results
Features
Read full description

RxCalc puts commonly used pharmacokinetic calculations in the palm of your hand with your iPhone or iPod Touch. The fast interface and comprehensive results help you spend less time crunching numbers and more time working on other, more important issues. This tool is designed to help pharmacists, and physicians, quickly perform the most commonly used pharmacokinetic calculations. Calculations for designing new vancomycin and aminoglycoside dosing regimens as well as patient specific post-level adjustments to current dosing regimens are included.

About

Cardio Tools

Features
Read full description

Cardio Tools App includes some commonly used scales in cardiology. Features are as follows: - We included 15 commonly used medical scales in cadiology in Version 1.0, and we will continue to add more scales or tools according to users' feedback. - You can quickly search for scales and add frequently used scales to favorites. - Records of scores on scales can be saved for easy recall when needed. Disclaimer: Cardio Tools App is designed only for healthcare professionals, not for the public. Please seek doctor's advice before making any medical decisions if you have any symptoms. Cardio Tools App includes clinical tools, which are aimed to be only a suggestive tool. Physicans and other healthcare professionals should have their own clinical judgment. If you have any feedback or questions, we would love to hear from you! Send email to edwardai.sj@gmail.com Disclaimer: Cardio Tools App is designed only for healthcare professionals, not for the public. Please seek doctor's advice before making any medical decisions if you have any symptoms. The App includes clinical tools, which are aimed to be only a suggestive tool. Physicans and other healthcare professionals should have their own clinical judgment. Privacy Policy: https://fatemed.notion.site/privacy-policy-cardio Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RxCalc4 screens
Cardio Tools4 screens

Verdict

The call

The clearest difference is price: Cardio Tools at Free against RxCalc's $2.99. RxCalc's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Cardio Tools is free to download; RxCalc costs $2.99 up front. Cardio Tools sells 1 one-off in-app purchase. RxCalc asks for nothing beyond the download.

UpkeepUpdate frequency

RxCalc ships an update every 25 months, Cardio Tools every 20 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
RxCalc versus Cardio Tools: the parameters behind the verdict, then further details
ParameterRxCalcCardio Tools
Price$2.99Free — better
Rating4.6 (5 ratings) — better—
Positive reviews53.3% of reviews—
Number of ratings5 — better—
Update frequencyEvery 25 monthsEvery 20 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size1 MB2 MB
Age rating12+12+
DeveloperRob FahrniBeijing Fate Med Technology Co., Ltd.

In-app purchases

None

RxCalc

No in-app purchases

1 purchases

Cardio Tools

One-time1
  • Lifetime Premium$4.99

Questions

Is RxCalc free?
RxCalc costs $2.99, with no in-app purchases.
Is Cardio Tools free?
Cardio Tools is free to download, with in-app purchases available.
Do RxCalc or Cardio Tools have ads?
Neither RxCalc nor Cardio Tools shows ads.
Which is updated more often, RxCalc or Cardio Tools?
RxCalc ships an update every 25 months, and Cardio Tools every 20 months. Most recently, RxCalc was updated on November 6, 2026 and Cardio Tools on November 3, 2026.

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