Comparison

MatchRX vs Rx Days’ Supply Calculator

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

Head to head
About

MatchRX

This app allows users to manage prescription orders on their mobile device. You can buy, post, scan, and sell NDC's, and receive notifications for Rx orders.

Highlights
  • Purchase NDC's
  • Post NDC's
  • Scan NDC's
  • Sell NDC's
  • Receive notifications
  • Confirm Rx orders
Features
Read full description

With the MatchRX mobile app, you can purchase, post, scan, and sell NDC's just as you would on the website. Receive notifications and confirm your Rx orders all from the convenience of your mobile device.

About

Rx Days’ Supply Calculator

This app helps community pharmacists and technicians accurately calculate medication days' supply and quantity. It offers specialized calculators for insulin, topical creams, Santyl, and eye drops, minimizing PBM recoupments and aiding recordkeeping.

Highlights
  • Days' supply and quantity calculators
  • Insulin calculations (all dosage forms, biologics, priming units)
  • Topical creams and ointments (fingertip unit method)
  • Santyl dosing calculator (multiple wounds)
  • Eye drops calculator (solutions, suspensions, PBM specific)
  • PDF generation for recordkeeping
  • Wireless printing and emailing of results
Read full description

With an annual subscription, community pharmacists and technicians can calculate the appropriate quantity or days’ supply with ease using the PAAS National Technologies Rx Days’ Supply Calculator app. Developed by the industry-leading audit assistance experts at PAAS National®, this robust Rx days’ supply and quantity calculator will help community pharmacies gain confidence, peace of mind, and minimize PBM recoupments. Featuring days’ supply and quantity calculators for: • Insulin --All dosage forms --Includes interchangeable and unbranded biologics --Ability to include priming units --Calculations consider beyond use dating • Topical Creams and Ointments --Utilizes the fingertip unit method --Touch screen selection • Santyl® Dosing Calculator --Ability to calculate multiple wounds --Avoids manufacturer rounding issues • Eye Drops --Solutions and Suspensions --Includes PBM specific calculations, when indicated When calculated, the application will produce a PDF that provides additional PAAS billing guidance and can be wirelessly printed or emailed for recordkeeping. Download the app today and subscribe to receive instant access to all of the calculators included in the app. Your subscription will renew automatically each year and payment will be charged to your iTunes account within 24-hours prior to the end of the current period. You can turn off auto-renewal by going to your Account Settings after purchase. By downloading the app you agree to the following Subscriber Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MatchRX4 screens
Rx Days’ Supply Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: MatchRX at none against Rx Days’ Supply Calculator's 1. MatchRX also leads on update cadence (every 3 weeks vs every 4 months) and ratings volume (469 vs 7). Rx Days’ Supply Calculator's advantage is rating (5.0 vs 4.8) and iOS requirement (13.0 vs 18.6). On price, 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

Both are free to download. Rx Days’ Supply Calculator sells 1 in-app purchase, starting at $5.99 per year. MatchRX asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Rx Days’ Supply Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: MatchRX has 469 ratings behind it against 7, so its average is the more settled of the two.

UpkeepUpdate frequency

MatchRX ships an update every 3 weeks, Rx Days’ Supply Calculator every 4 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
MatchRX versus Rx Days’ Supply Calculator: the parameters behind the verdict, then further details
ParameterMatchRXRx Days’ Supply Calculator
PriceFreeFree
Rating4.8 (469 ratings)5.0 (7 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings469 — better7
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.613.0 — better
Further details — not scored
Size14 MB51 MB
Age rating4+17+
DeveloperMatchRXPAAS National Technologies LLC

Customer experience

MatchRX

All ratings459 ratings
Positive94.8%
Neutral1.7%
Negative3.5%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Rx Days’ Supply Calculator

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MatchRX

No in-app purchases

1 purchases

Rx Days’ Supply Calculator

Subscriptions1
  • Annual Subscription7 Days trial$5.991 Year

Questions

Is MatchRX free?
MatchRX is free to download, with no in-app purchases.
Is Rx Days’ Supply Calculator free?
Rx Days’ Supply Calculator is free to download, with in-app purchases available.
Which has better reviews, MatchRX or Rx Days’ Supply Calculator?
Rx Days’ Supply Calculator is rated higher. MatchRX averages 4.8 out of 5 from 469 ratings, while Rx Days’ Supply Calculator averages 5.0 from 7 ratings.
Do MatchRX or Rx Days’ Supply Calculator have ads?
Neither MatchRX nor Rx Days’ Supply Calculator shows ads.
Which is updated more often, MatchRX or Rx Days’ Supply Calculator?
MatchRX ships an update every 3 weeks, and Rx Days’ Supply Calculator every 4 months. Most recently, MatchRX was updated on November 7, 2026 and Rx Days’ Supply Calculator on November 3, 2026.

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