RxCalc Downloads & RevenueRxCalc · App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperRob Fahrni
CategoryMedical
Price2.99 USD
Released
Rating★ 4.6 (5)
Version1.6
Age rating12+
First seen by us
26 Sep 2026
26 Sep 2026📈Dropped out of every chart we track📈Entered the top 100🆕First spotted by AppInsider🆕Released on the App Store
Full timeline · 4 events in the last 12 months
- 📈RxCalc dropped out of every chart we trackLast seen 1 Nov
- 📈RxCalc entered the top 100Top Paid · Medical · US
- 🆕RxCalc first spotted by AppInsider#65 in Top Paid · Medical · United States
- 🆕RxCalc released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.6 ★
5 ratings
Measured
RxCalc on the App Store
App details
App ID
321211290
Publisher
Rob Fahrni
On the store since
Jul 2009
17 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
12+
1 content note below
Languages
1
EN
Size
1 MB
Also listed in
Health & Fitness
Content notesInfrequent/Mild Medical/Treatment Information
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.6 ★
5 ratings
Measured
Ratings
5
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
under 1
4-week average
Lifetime rating
4.6★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
20/100
faster than 0% of Medical apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About RxCalc
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.
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.
Latest updates
1.6
Set minimum iOS version to 15.0
