Comparison

DocCheck Flexikon vs eRef App

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

Head to head
About

DocCheck Flexikon

Access a vast library of medical information, including definitions, symptoms, and therapies, through an extensive lexicon and encyclopedia. This app offers quick searches, offline access to over 80,000 articles, and comprehensive visualizations with 3D models and videos.

Highlights
  • Extensive medical lexicon and encyclopedia
  • Search definitions, symptoms, and therapies
  • Over 80,000 articles, images, and videos
  • Offline access to favorites
  • Regular content updates with peer review
  • 3D models, videos, and galleries for visualization
Features
Read full description

One of the largest and most popular communities for medical and health now again available on the app store – a comprehensive lexicon and encyclopedia. Practicing physicians, nurses, med students or anyone just interested can benefit from instant access to a huge library of medical information in this app. Highlights of the app: - Search quickly and efficiently for definitions, symptoms, therapies and much more medical information - Access or browse medical knowledge in over 80,000 articles, images and videos - Bookmark, save and access your favorites offline as well - The content is updated on a regular basis while quality is ensured by peer reviews - Open medical dictionary for everyone - the knowledge base is growing steadily - Comprehensive visualization of content through 3D models, videos and galleries All content is cross-linked for more in-depth research. Your app for quickly accessing medical information from the smartphone or tablet. FEEDBACK: Do you like our app? We look forward to your feedback. If you have suggestions for improvements please do not hesitate to write an email to flexikon-app@doccheck.com. We will always come back to you and sort things out. Thanks! Follow us on Instragram: https://www.instagram.com/doccheck_medical/

About

eRef App

Access a comprehensive medical knowledge portal offline on your smartphone or tablet. Research diagnoses, treatments, and read e-books and e-journals anywhere, anytime. A free trial account is available.

Highlights
  • Offline access to medical content
  • Read e-books and e-journals
  • Research differential diagnoses
  • Access personal journal subscriptions
  • Use cockpits for research
Features
Read full description

eRef app - the offline app for the Thieme Knowledge Portal for Physicians With the eRef app you can now use the eRef Knowledge Portal for Physicians offline while on the go. The app can be used free of charge by anyone who - Has an active eRef trial account - Has a personal eRef license - Has access to an institutional eRef license - Is a subscriber to a Thieme journal - Has an access code for a Thieme book Overview of functions: - Load your e-books and e-journals on your smartphone so that you can read them anywhere and anytime. - Activate your personal journal subscriptions in the eRef app. - Use the cockpits to research differential diagnoses, treatments, and much more. Try it now by simply creating a free trial account in the app.

Screenshots

DocCheck Flexikon4 screens
eRef App3 screens

Verdict

The call

The clearest difference is rating: eRef App at 5.0 against DocCheck Flexikon's 4.3. DocCheck Flexikon's advantage is review sentiment (95% vs 74%). On price, ratings volume, update cadence and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

eRef App holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 9 and 10 respectively. Written reviews complicate that: 95% of DocCheck Flexikon's written reviews are positive against 74% of eRef App's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

DocCheck Flexikon ships an update every 6 weeks, eRef App every 2 months. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

Scorecard2 real differences · 8 level
DocCheck Flexikon versus eRef App: the parameters behind the verdict, then further details
ParameterDocCheck FlexikoneRef App
PriceFreeFree
Rating4.3 (9 ratings)5.0 (10 ratings) — better
Positive reviews94.5% of reviews — better73.9% of reviews
Number of ratings910 — better
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size39 MB8 MB
Age rating17+17+
DeveloperDocCheck AGGeorg Thieme Verlag KG

Customer experience

DocCheck Flexikon

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews55 reviews
Positive94.5%
Neutral1.8%
Negative3.6%

eRef App

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews23 reviews
Positive73.9%
Neutral4.3%
Negative21.7%

In-app purchases

None

DocCheck Flexikon

No in-app purchases

None

eRef App

No in-app purchases

Questions

Is DocCheck Flexikon free?
DocCheck Flexikon is free to download, with no in-app purchases.
Is eRef App free?
eRef App is free to download, with no in-app purchases.
Which has better reviews, DocCheck Flexikon or eRef App?
eRef App is rated higher. DocCheck Flexikon averages 4.3 out of 5 from 9 ratings, while eRef App averages 5.0 from 10 ratings.
Do DocCheck Flexikon or eRef App have ads?
Neither DocCheck Flexikon nor eRef App shows ads.
Which is updated more often, DocCheck Flexikon or eRef App?
DocCheck Flexikon ships an update every 6 weeks, and eRef App every 2 months. Most recently, DocCheck Flexikon was updated on September 20, 2026 and eRef App on September 22, 2026.

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