Comparison

CredibleMeds Mobile vs RxFlip

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

Head to head
About

CredibleMeds Mobile

This app provides access to up-to-date lists of drugs that can affect heart rhythm, categorized by risk. It's designed for patients with congenital long QT syndrome, healthcare professionals, and researchers, offering background information on drug risk and its relationship to heart arrhythmias.

Highlights
  • Drug risk categorization
  • QT interval prolongation information
  • Torsades de Pointes (TdP) risk
  • Background on drug risk categories
  • Lists for Congenital Long QT Syndrome patients
  • Information for healthcare professionals
Features
Read full description

This CredibleMeds Mobile App supports the CredibleMeds.org website which maintains and posts lists of drugs in categories that reflect their ability to prolong the QT interval on the electrocardiogram and/or cause the life-threatening heart arrhythmia, torsades de pointes (TdP). The CredibleMeds Mobile App was developed for patients with Congenital Long QT Syndrome, healthcare professionals and research scientists in order to provide them with ready access to the most up-to-date version of the CredibleMeds lists of drugs. The App also provides background information on the categories of drug risk and explains the relationship between QT prolongation and TdP. For healthcare professionals and research scientists, the QTdrugs Lists can be used to identify which drugs can cause QT prolongation or TdP. For patients with Congenital Long QT Syndrome, the drugs and risk categories are described and presented separately as the Drugs to Avoid in cLQTS.

About

RxFlip

Master essential outpatient medications with interactive flashcards and quizzes. This learning tool focuses on high-yield drug facts, ideal for healthcare students and professionals preparing for exams.

Highlights
  • Flashcard and quiz modes
  • Customizable study selections
  • Smart quizzing algorithms
  • Adaptive learning
  • Drug pronunciation audio
  • Customizable drug database
Features
Currently charting
Read full description

RxFlip is the ultimate flashcard and quiz-based learning tool for healthcare students and professionals looking to master the most commonly prescribed outpatient medications. Using adaptive learning best practices, RxFlip delivers concise, high-yield information to strengthen your core drug knowledge—without the clutter of bloated drug references. Unlike other drug study apps, RxFlip focuses on clear, practical knowledge to help you confidently learn the most important facts of the top 250 medications (also known as the Top 200 or Top 300 Drugs). This is a learning tool, not a drug reference, so it is designed to streamline your studying, improve retention, and build a rock-solid foundational understanding of these medications. == Designed For Healthcare Students and Providers == RxFlip is perfect for healthcare students and providers, including pharmacists, technicians, nurses, physician assistants, and physicians. It is also an excellent resource to prepare for the drug therapy aspects of standardized exams, including NAPLEX, BCPS, PTCB, PANCE/PANRE, NCLEX, and more. === Key Features of RxFlip === • Engaging flashcard and quiz modes - reinforce learning through interactive study sessions • Fully customize your studying - select what drug classes you want to study, and what facts you want to review (brand name, generic name, drug class, indications, adverse effects, and typical dosing) • Smart quizzing algorithms - quiz mode includes a selection algorithm to randomly identify plausible distractor answers to keep you challenged and engaged • Adaptive learning mode - spend more time on the drugs you struggle with, not the ones you already know. • Drug pronunciation - listen to audio of how a drug's brand or generic name is pronounced as you study == A High-Yield, Comprehensive Drug Database == • The drug database comes pre-built with key facts of the top 250 drugs based on prescription utilization data in the US. Key facts are curated by a board-certified pharmacist and professor to ensure only the most important details are included for studying. • Customize the drug database by adding or removing drugs, modifying drug entries, and even record your own pronunciations • Group drugs into therapeutic categories or classes to create your own custom drug list for studying • Save, export, and import customized drug database files between devices or users == Track Your Progress with Adaptive Learning == • Monitor your progress after each flashcard or quiz session • An adaptive learning and spaced repetition algorithm ensures you spend more time on drug facts you haven't mastered yet while still revisiting areas that you previously mastered == Expertly Designed for Maximum Learning == RxFlip is designed by a board-certified pharmacist, pharmacy educator, and professor of pharmacy practice ensuring accurate, high-yield, and relevant drug information. The drug list is generated from the ClinCalc.com DrugStats Database project and many drug facts mirror those from the ClinCalc Top 250 Drugs Online Course (https://top250drugs.com). == Looking for FlashRX? == FlashRX, released in 2011, was the predecessor to RxFlip, and has now been phased out of development. RxFlip has a modern, sleek interface, new functionality, and a completely revamped drug database. RxFlip is backwards compatible and able to import most legacy FlashRX databases.

Screenshots

CredibleMeds Mobile4 screens
RxFlip4 screens

Verdict

The call

The clearest difference is review sentiment: CredibleMeds Mobile at 50% against RxFlip's 0%. CredibleMeds Mobile also leads on price (Free vs $4.99) and ratings volume (24 vs 3). RxFlip's advantage is update cadence (every 5 days vs every 2 months) and rating (4.0 vs 3.7). On ads, in-app purchases, 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

CredibleMeds Mobile is free to download; RxFlip costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

RxFlip holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: CredibleMeds Mobile has 24 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 50% of CredibleMeds Mobile's written reviews are positive against 0% of RxFlip's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

CredibleMeds Mobile ships an update every 2 months, RxFlip every 5 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard7 real differences · 4 level
CredibleMeds Mobile versus RxFlip: the parameters behind the verdict, then further details
ParameterCredibleMeds MobileRxFlip
PriceFree — better$4.99
Rating3.7 (24 ratings)4.0 (3 ratings) — better
Positive reviews50.0% of reviews — better0.0% of reviews
Number of ratings24 — better3
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#157 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size9 MB30 MB
Age rating17+17+
DeveloperAzcert IncClinCalc LLC

Customer experience

CredibleMeds Mobile

All ratings24 ratings
Positive70.8%
Neutral4.2%
Negative25.0%
Written reviews12 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

RxFlip

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

CredibleMeds Mobile

No in-app purchases

None

RxFlip

No in-app purchases

Questions

Is CredibleMeds Mobile free?
CredibleMeds Mobile is free to download, with no in-app purchases.
Is RxFlip free?
RxFlip costs $4.99, with no in-app purchases.
Which has better reviews, CredibleMeds Mobile or RxFlip?
RxFlip is rated higher. CredibleMeds Mobile averages 3.7 out of 5 from 24 ratings, while RxFlip averages 4.0 from 3 ratings.
Do CredibleMeds Mobile or RxFlip have ads?
Neither CredibleMeds Mobile nor RxFlip shows ads.
Which is updated more often, CredibleMeds Mobile or RxFlip?
CredibleMeds Mobile ships an update every 2 months, and RxFlip every 5 days. Most recently, CredibleMeds Mobile was updated on October 24, 2026 and RxFlip on October 28, 2026.

Other comparisons