Comparison

CalcRx vs Rx Dose Calc

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

Head to head
About

CalcRx

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.

Highlights
  • Prescription quantity calculations
  • Billable days supply determination
  • Supports various dosage forms
  • Handles complex regimens
  • Standard calculator with history
  • Sig code reference
Features
Read full description

Calc Rx is an outpatient prescription calculator that makes determining dispense quantities and billable days supply fast and effortless. Simply tap in the sig (directions) and Calc Rx does the rest. Complex steroid tapers, warfarin regimens, ear/eye drops, liquids, and more are all a snap. Pharmacists, pharmacy techs, nurses, and prescribers will be amazed by the time saved by this useful little app! Features *5 calculators specific to common outpatient dosage forms and regimens (tablets/capsules, oral liquids, ear/eye drops, insulin, and warfarin) *fully equipped standard calculator with complete history display *automatic quantity calculations for 30 and 90 day supplies *unlimited undo for precision editing *future fill date calculator *sig code / medical abbreviation reference Check out my other apps RxOrange and OTC Assistant! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Rx Dose Calc

This medical reference tool assists healthcare professionals in calculating pediatric medication dosages. It offers offline access to information for over 70 drugs, along with various medical calculators and reference tools.

Highlights
  • Ad-free full version
  • Offline functionality
  • Pediatric doses for 70+ drugs
  • Search by brand or chemical name
  • Includes adult doses
  • Medical calculators (BMI, BSA, etc.)
Features
Read full description

RxDoseCalc is a tool to help doctors, pharmacists, dentists, nurses and other healthcare professionals lookup the oral medication doses for children. Features: • Ad free full version with no in-app purchases • Works offline • The pediatric doses for 70+ drugs • Search with the brand name or chemical name to quickly find the medication • Tailored page for each drug with dose options when available • Adult doses included for your reference • List of common Latin prescription abbreviations • Average weight for age reference • Medical tools: Body Mass Index, Body Surface Area, Renal Function, Blood Sugar, Weight Converter, Temperature Converter, Pregnancy Due Date and Days Interval Calculator Disclaimer: Rx Dose Calc is intended only for health care professionals. Doses should not be used to guide patient care, nor should they substitute for clinical judgment. If you are not a health care professional check with a doctor or a pharmacist before making medical decisions.

Screenshots

CalcRx4 screens
Rx Dose Calc4 screens

Verdict

The call

The clearest difference is review sentiment: CalcRx at 100% against Rx Dose Calc's 0%. CalcRx also leads on price (Free vs $1.99) and rating (4.7 vs 1.0). Rx Dose Calc's advantage is in-app purchases (none vs 2) and update cadence (every 4 days vs every 10 months). On ads and device support 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

CalcRx is free to download; Rx Dose Calc costs $1.99 up front. CalcRx sells 2 in-app purchases, starting at $0.99 per month. Rx Dose Calc asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CalcRx holds the better App Store score, 4.7 against 1.0. Both are backed by a comparable volume of ratings — 15 and 5 respectively. Written reviews point the same way: 100% of CalcRx's written reviews are positive against 0% of Rx Dose Calc's.

UpkeepUpdate frequency

CalcRx ships an update every 10 months, Rx Dose Calc every 4 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard8 real differences · 2 level
CalcRx versus Rx Dose Calc: the parameters behind the verdict, then further details
ParameterCalcRxRx Dose Calc
PriceFree — better$1.99
Rating4.7 (15 ratings) — better1.0 (5 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings15 — better5
Update frequencyEvery 10 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.09.0 — better
Further details — not scored
Size29 MB43 MB
Age rating17+17+
DeveloperDabbling Badger LLCAndrew Makram

Customer experience

CalcRx

All ratings15 ratings
Positive93.3%
Neutral6.7%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Rx Dose Calc

All ratings5 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

CalcRx

Subscriptions2
  • Monthly Full Access$0.991 Month
  • Yearly Full Access$9.991 Year
None

Rx Dose Calc

No in-app purchases

Questions

Is CalcRx free?
CalcRx is free to download, with in-app purchases available.
Is Rx Dose Calc free?
Rx Dose Calc costs $1.99, with no in-app purchases.
Which has better reviews, CalcRx or Rx Dose Calc?
CalcRx is rated higher. CalcRx averages 4.7 out of 5 from 15 ratings, while Rx Dose Calc averages 1.0 from 5 ratings.
Do CalcRx or Rx Dose Calc have ads?
Neither CalcRx nor Rx Dose Calc shows ads.
Which is updated more often, CalcRx or Rx Dose Calc?
CalcRx ships an update every 10 months, and Rx Dose Calc every 4 days. Most recently, CalcRx was updated on October 24, 2026 and Rx Dose Calc on October 27, 2026.

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