Comparison

Mosby's Drug Reference vs Memory Rx

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

Head to head
About

Mosby's Drug Reference

This app provides healthcare professionals with comprehensive drug information, including actions, usage, dosage, interactions, and side effects. It emphasizes patient safety with Black Box Warnings, Safety Alerts, and information on life-threatening side effects. Features include custom notes, highlights, and quick search functionality.

Highlights
  • Over 5,000 drug listings
  • Black Box Warnings and Safety Alerts
  • Drug action, usage, dosage, interactions, side effects
  • Custom notes and highlights
  • Full text search
  • Appendix of recent FDA-approvals
Features
Currently charting
Read full description

14-Day Free Trial ** Trusted by Health Care Professionals for Over 30 Years ** ABOUT MOSBY’S DRUG REFERENCE Based on the latest edition, Mosby's Drug Reference provides health care professionals with the tools they need to eliminate errors and improve accuracy. Drug monographs feature concise, easy-to-understand information and make finding answers easy with sections on each drug's action, usage, dosage, interactions, side effects, and more. With an emphasis on patient safety, this best-selling app includes Black Box Warnings for dangerous adverse reactions, Safety Alerts for situations requiring special attention, and a focus on life-threatening side effects of 50 common drug classes. FEATURES • More than 5,000 generic and trade-name drugs are profiled • Appendix of recent FDA-approvals • Icons for High Alert and Rarely Used medications • Highlighted Black Box Warnings, safety alerts, and life-threatening side effects • Helpful IV therapy updates • Create custom notes and highlights within entries • 150+ abbreviations listed for practical understanding • Unlabeled uses and help with easily confused drug names • Full Text Search helps find medications quickly • “Favorites” for bookmarking important entries FREE 14-DAY TRIAL: WHAT TO EXPECT • First-time users can access Unbound's complete Mosby's Drug Reference mobile app free for 14 days • After 14 days, your iTunes account will be charged $45.99 for a one-year subscription unless you have turned off auto-renew at least 24 hours before the free trial ends. • To manage your subscriptions, open Apple's “Settings” app and tap on the “iTunes & App Store" entry. Tap your Apple ID at the top of the screen and login. Tap subscriptions, then tap the subscription you wish to manage. •NOTE: If you choose not to purchase a subscription, content will no longer be viewable after the free trial period. iTunes automatic renewal: Your subscription automatically renews unless auto-renew is turned off 24 hours prior to the conclusion of your current period. Auto Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Your iTunes account will automatically be charged the current renewal rate ($45.99) within 24 hours prior to the end of the subscription period. If you choose not to renew, you will be able to use the app, however will not receive updates. Authors: Linda Skidmore-Roth, RN, MSN, NP Publisher: Elsevier Powered by: Unbound Medicine Unbound Privacy Policy: www.unboundmedicine.com/privacy Unbound Terms of Use: https://www.unboundmedicine.com/end_user_license_agreement

About

Memory Rx

This app helps users remember pharmacology mnemonics through interactive quizzes. It combines memorization techniques with multiple-choice questions to reinforce learning, making a challenging subject more manageable.

Highlights
  • Pharmacology mnemonics
  • MCQ-based quizzes
  • Favouriting mnemonics
  • Access to all mnemonics
  • Access to all MCQs
  • Pro subscription features
Features
Read full description

Have you ever forgot a mnemonic that you made ? It happens every other time !!! There is a joke that majority of mnemonics require another mnemonic for remembering !!! But not anymore... Introducing Memory Rx We combine mnemonics with MCQ based quiz so that you don't need a mnemonic to remember mnemonic. Cool isn’t it ? And guess what ! We did this to one of the toughest subject to remember: PHARMACOLOGY !!! Subscription to become Pro user - With an Memory Rx pro subscription, you have access to all features like Access to all mnemonics Favouriting mnemonics Access to all MCQs Memory Rx Pro is billed monthly or annually at the rate corresponding to the selected plan. - Payment will be charged to apple account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of Use: https://scoopmed.blogspot.com/2022/07/memory-rx-terms-of-use.html Privacy Policv: https://scoopmed.blogspot.com/2022/07/memory-rx-privacy-policy.html Feel free to contact us at editor.scoopmed@gmail.com, your feedback and suggestions are very important to us.

Screenshots

Mosby's Drug Reference4 screens
Memory Rx4 screens

Verdict

The call

The clearest difference is rating: Mosby's Drug Reference at 4.6 against Memory Rx's 1.0. Mosby's Drug Reference also leads on ratings volume (235 vs 1) and chart position (#193 vs unranked). Memory Rx's advantage is update cadence (every 5 weeks vs every 9 months). On price, ads, in-app purchases and monetization model 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. Mosby's Drug Reference sells 1 in-app purchase, starting at $45.99 per year and Memory Rx sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Mosby's Drug Reference holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Mosby's Drug Reference has 235 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Mosby's Drug Reference ships an update every 9 months, Memory Rx every 5 weeks. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 7 level
Mosby's Drug Reference versus Memory Rx: the parameters behind the verdict, then further details
ParameterMosby's Drug ReferenceMemory Rx
PriceFreeFree
Rating4.6 (235 ratings) — better1.0 (1 ratings)
Positive reviews31.8% of reviews—
Number of ratings235 — better1
Update frequencyEvery 9 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
Best chart rank#193 — better—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.4
Further details — not scored
Size9 MB18 MB
Age rating17+17+
DeveloperUnbound Medicine, Inc.Nishith Sekhar Revappala

Customer experience

Mosby's Drug Reference

All ratings235 ratings
Positive88.9%
Neutral3.4%
Negative7.7%
Written reviews22 reviews
Positive31.8%
Neutral9.1%
Negative59.1%

Memory Rx

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

Mosby's Drug Reference

Subscriptions1
  • Mosby's Drug Reference14 Days trial$45.991 Year
2 purchases

Memory Rx

Subscriptions2
  • Pro access$3.991 Month
  • Pro access$19.991 Year

Questions

Is Mosby's Drug Reference free?
Mosby's Drug Reference is free to download, with in-app purchases available.
Is Memory Rx free?
Memory Rx is free to download, with in-app purchases available.
Which has better reviews, Mosby's Drug Reference or Memory Rx?
Mosby's Drug Reference is rated higher. Mosby's Drug Reference averages 4.6 out of 5 from 235 ratings, while Memory Rx averages 1.0 from 1 ratings.
Do Mosby's Drug Reference or Memory Rx have ads?
Neither Mosby's Drug Reference nor Memory Rx shows ads.
Which is updated more often, Mosby's Drug Reference or Memory Rx?
Mosby's Drug Reference ships an update every 9 months, and Memory Rx every 5 weeks. Most recently, Mosby's Drug Reference was updated on October 11, 2026 and Memory Rx on October 7, 2026.

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