CalcRx

CalcRx

by Dabbling Badger LLC

14 ratings
5 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • October 16, 2015
  • July 9, 2025

Features

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About

This app helps medical professionals quickly calculate prescription dispense quantities and billable days supply. It handles various dosage forms and complex regimens, saving valuable time for pharmacists, nurses, and prescribers.

βœ“Prescription quantity calculations
βœ“Billable days supply determination
βœ“Supports various dosage forms
βœ“Handles complex regimens
βœ“Standard calculator with history
βœ“Sig code reference
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What's New in CalcRx

2.1.0

July 9, 2025

* now with a handy sig code / medical abbreviation reference!

Subscription plans

Yearly Full Access

Provides access to all calculators and tools.

$9.991 Year
How to cancel CalcRx subscription ⁉️

User reviews

Solid

Definitely a great app, I love the day supply function really helps with my adherence outreach so smooth; hopefully updates keep coming to make this app even better :)

Very helpful with complex SIGs

This app can be very helpful to determine the day-supply of medications. Really like that it includes drops and liquids.

However, the reason I rated this app with 4 stars and not 5, it doesn’t include a dedicated inhaler or allergy-spray day-supply feature. Inhalers and allergy sprays (like fluticasone) can require more effort to determine the correct day-supply. Taking the SIG and then having to determine how much medicine is contained within the product can take up more time.

Luckily, most inhalers and other have meter-dosing or a certain number of puffs/sprays, so the calculations are more straight forward, but in the event that is not given a feature that could include that would be very helpful.
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Great

This app helps you calculate quickly. I find very helpful when I can't seem to think fast enough. The only downside is the eye drops can only be 15gts or 20gts. At work we go by 16gts. Other than that this app is a great help.

Excellent!

I use this app almost every day at work. Does a very good job :) Highly appreciate the app!

Essential app. Does just what it needs to.

Seems to be the only app of its kind out there (particularly for calculating next fill date for controls and narcs). Love it! Only gripe is that when you drag icons to reorganize the tabs, the organization preferences don't save for next time you open the app. Anyway, this app is a must have for community pharmacists wanting to double check your work.
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Developer apps

FAQ

What is CalcRx?

CalcRx is an outpatient prescription calculator designed to quickly determine dispense quantities and billable days supply for various medications. It simplifies complex calculations for common dosage forms and regimens.

What types of prescriptions can CalcRx calculate?

CalcRx can calculate quantities for tablets/capsules, oral liquids, ear/eye drops, insulin, and warfarin. It also handles complex steroid tapers and other regimens.

Does CalcRx have ads?

No, CalcRx does not contain advertisements. It offers a clean and focused user experience for medical professionals.

What devices does CalcRx support?

CalcRx is available for iPhone, iPad, and iPod touch devices, allowing for flexible use across Apple's mobile ecosystem.

How often is CalcRx updated?

The latest version of CalcRx is 2.1.0, and it was last updated on July 9, 2025. Updates typically include improvements and new features.

What are the subscription options for CalcRx?

CalcRx offers subscription plans for full access, including a monthly option at $0.99 and a yearly option at $9.99. These plans provide ongoing access to all features.

What is the age rating for CalcRx?

CalcRx has an age rating of 17+, indicating it is intended for mature users due to the nature of medical information and calculations.

How accurate are CalcRx's calculations?

CalcRx is designed for fast and effortless calculation of dispense quantities and billable days supply. While it aims for precision, users should always cross-reference with official guidelines and professional judgment.