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Prime: PubMed Journals & Tools

Unbound Medicine, Inc. · Medical · United States store
NOT IN TOP 100 HERE
View on App Store ↗ Instagram card
Revenue a month, worldwide
Too small to estimate
Not enough chart or ratings data
New ratings
Tracking
Daily counts start building from today
Rating
4.8 of 5
693 ratings in this store
Countries it ranks in
0
was 0 on Oct 16, 2026

Revenue

Estimated from the grossing charts of Oct 21, 2026 in the 53 countries we track, and ratings growth on the App Store.

EST. REVENUE / MONTH · WORLDWIDE
Unranked
Not in any grossing chart, and it sells nothing in the store (no in-app purchases, free download). Any revenue comes from ads or payments outside the store, which we can't see.
EST. LIFETIME DOWNLOADS
24.3K to 69.3K
Estimated from ratings count
RATINGS
693
AVG RATING
4.80
PRICE
Free
AGE
14.1y
LAST UPDATE
4d ago
VERSION
2.20
SIZE
9 MB
AGE RATING
17+

Last 30 days

From our daily snapshots of every grossing chart.

DAYS IN A GROSSING CHART
0 / 30
COUNTRIES NOW
0 (was 0)
EST. REVENUE FROM CHARTS, DAILY · APP STORE ONLY EST
Show daily values
Sep 24, 2026not in a grossing chart
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Best rank Sep 24, 2026: not ranked. Now: not ranked. Days at zero are days outside every grossing chart.

Money and momentum

Measured from the store, not estimated.

WHAT IT CHARGES
No in-app purchases
Earns from its upfront price, ads or payments outside the store.
REVIEW MOMENTUM
0.1 reviews / week
  • Trendfalling
  • Recent reviews average4.2 stars
  • Recent 1 and 2 star share18%
From the latest 67 written reviews, covering 5144 days.
RELEASE CADENCE
2 updates in 90 days
  • Typical gap between releases127 days
From the last 25 versions listed on the App Store.
RATING BREAKDOWN
693 ratings
5★88%
4★8%
3★2%
2★1%
1★1%

What users want

From the latest 67 reviews on the United States App Store, Sep 22, 2012 to Nov 15, 2025: 18% are 1 or 2 stars. Open a theme to read what people wrote.

WHAT THEY COMPLAIN ABOUT · SHARE OF BAD REVIEWS
Login and account problems42%

5 of the 1 and 2 star reviews.

★★★★★ I can't create my account
★★★★★ Trying to adjust my account and ERROR message - does not work!
★★★★★ Why do I need to create an account to search Medline?
Crashes and freezes17%

2 of the 1 and 2 star reviews.

★★★★★ This app is not usable. I am running iOS 8.4. Can't use it at all.
★★★★★ Crashes immediately on open, despite re-installing.
Bugs, things not working17%

2 of the 1 and 2 star reviews.

★★★★★ App is really glitchy, upon tapping to view an article an ERROR message appears and it does not works.
★★★★★ Why do I need to create an account to search Medline? Stupid!
WHAT THEY ASK FOR
  • I wish it would load much faster. 5★, Jan 15, 2020
  • Would be nice to be able to execute batch email and download abstracts and PDFs. 4★, Jan 16, 2014
WORDS THAT KEEP COMING UP IN BAD REVIEWS

Nothing stands out.

WHAT THEY LOVE · SHARE OF GOOD REVIEWS
Easy to use20%

11 of the 4 and 5 star reviews.

★★★★★ Quick and simple way to get desired information from the PubMed database.
★★★★★ The app is easy to follow and keeps me up to date with all the gazillion journals I'm following on a daily basis.
★★★★★ So much easier to use than PubMed, complete searches
Useful, it helps20%

11 of the 4 and 5 star reviews.

★★★★★ One of its most useful options is its grapherence program.
★★★★★ Prime helps me understand more about choices that need to be made.
★★★★★ It is very helpful, it's an Awesome
Looks great5%

3 of the 4 and 5 star reviews.

★★★★★ Great user interface and workflow.
★★★★★ The interface is simple and easy to use which may sacrifice more complex academic searches but that is not what I use it for.
★★★★★ Great interface, works great.
Fun, addictive5%

3 of the 4 and 5 star reviews.

★★★★★ I spent years searching pubmed… but this app has made my amateur health fact-finding adventures more enjoyable, productive, and fast.
★★★★★ I have enjoyed using Prime for at least seven years now.
★★★★★ I'm not a doctor, I just enjoy reading the research on topics that affect my health.
Accurate, great results4%

2 of the 4 and 5 star reviews.

★★★★★ This is a very helpful app, it's extremely accurate and it keeps me updated on the most recent papers.
★★★★★ Great interface, works great.

Found by matching words and phrases in the reviews, not read by a person. A review can count toward more than one theme.

What users say

Latest reviews, United States App Store.

★★★★★Nov 15, 2025
GREAT APP

This app is great for resources and to have further information!

★★★★★Sep 30, 2024
Só falta uma coisa

Excelente aplicativo. Poderia ser melhor ainda se permitisse salvar ou enviar por e-mail os textos integrais acessados. Isso pode ser feito nos abstracts, por que não nos pdf?

★★★★★Mar 18, 2024
Best App On My Phone

Kind of like having the Library of Alexandria (of health) available at the touch of a fingertip on your phone. I spent years searching pubmed… but this app has made my amateur health fact-finding adventures more enjoyable, productive, and fast. I can go and do things in four or five or six other apps, and then come back to this app, and it still is in the exact same place where I left it, whether a search, a paper pdf, or whatever. My Apple iPhone Podcast App doesn’t even do that! A+

★★★★★Jan 13, 2024
Great

Great

★★★★★Dec 11, 2023
Great research tool!

I have enjoyed using Prime for at least seven years now. One of its most useful options is its grapherence program. It allows me to look at the abstracts of articles upon which the title I am reading are based AND any articles that have subsequently referred referred to that same title. I can also get some idea as to the influence of a given reference by the number of articles that refer back to it.

★★★★★Sep 26, 2023
Easy

Quick and simple way to get desired information from the PubMed database.

Store screenshots

ScreenshotScreenshotScreenshotScreenshotScreenshotScreenshotScreenshotScreenshotScreenshotScreenshot

App Store ads

Apple Search Ads this app ran in the last 90 days, from Apple's public ad repository.

No App Store ads in the EU
None in the last 90 days.

Apple only publishes ads shown in the EU (EU Digital Services Act), with a 7 day delay. An app that advertises only outside the EU shows nothing here.

Growth research

Where this app is buying and earning its users. Each link opens pre filtered.

ASO keywords

Most repeated terms in the listing. Highlighted ones also appear in the title.

articles9journal4grapherence4unbound4full text3text articles3exclusive tools3grapherence unbound3influence interrelationships3interrelationships among3among journal3journal articles3unbound medicine3prime3searches3exclusive3search3perform2powerful2link2full2text2tools2available2

What's new in 2.20

This update adds support for iPhone Duo and ensures full compatibility with the latest iOS 27 release, delivering a more reliable experience with improved performance and stability. We're always here to help—if you have any questions or feedback, please contact Unbound Medicine Support at support@unboundmedicine.com

Released Sep 10, 2012. Current version shipped Oct 19, 2026.

Store description

The free Prime app connects you to the most up-to-date journal citations and abstracts from the complete PubMed database. In addition to the ability to perform powerful searches and link to the publisher’s full text articles, Prime also provides a number of exclusive tools not available anywhere else creating a one-of-a-kind user experience. PRIME FEATURES - Search: Perform evidence-based searches by keyword, author, or journal then link to full text articles. - Organize: Bookmark and Tag important articles and searches to quickly return to them later - Share: Share articles directly from the app via Email, Twitter, Facebook, SMS, Dropbox, and more EXCLUSIVE TOOLS - Grapherence®: Unbound’s unique search option allows you to visually explore the influence and interrelationships among journal articles - For You: Discover new articles in a feed designed specifically for you based on how you use the app - Browse: Select specific journals you want to follow and receive alerts when new articles are published WHAT IS GRAPHERENCE? Grapherence® is Unbound’s interactive search that graphically represents the influence and interrelationships among journal articles. Tap the Grapherence button within a citation and instantly see how that article is related to others. Using this exclusive feature the researcher quickly uncovers difficult to find entries, determines overall significance, identifies clusters of thought, and locates seminal articles. ABOUT UNBOUND MEDICINE With 50+ premium apps available, Unbound Medicine combines powerful software with best-selling content to deliver clinical answers wherever you need them. Top-selling apps include Johns Hopkins Antibiotic (ABX) Guide, Davis’s Drug Guide, 5-Minute Clinical Consult, Harriet Lane Handbook, The Washington Manual, Nursing Central™, and Diagnosaurus DDx.

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