Comparison

What Doctors Know vs EDTNA/ERCA

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

Head to head

What Doctors Know

Healthcare magazine app

About

What Doctors Know

Features

Read full description

What Doctors Know is a healthcare magazine geared toward consumers. We cover topics in depth and we get the answers to questions from doctors. ================================== The magazine offers a yearly (5.49€/5.99$) auto-renewable subscription - Payment will be charged to iTunes 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 - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase ================================== This magazine is proudly powered by PressPad. Privacy Policy: https://presspadapp.com/terms-apps/ Terms of Use https://www.presspadapp.com/terms/

About

EDTNA/ERCA

Features

Read full description

EDTNA/ERCA Official Application The European Dialysis and Transplant Nurses Association/European Renal Care Association (EDTNA/ERCA) App contains: News, Committees, Brand Ambassadors, Webinars, Membership Information, Education Materials and much more!

Screenshots

What Doctors Know3 screens

EDTNA/ERCA3 screens

Verdict

The call

The clearest difference is in-app purchases: EDTNA/ERCA at none against What Doctors Know's 14. EDTNA/ERCA also leads on update cadence (every 2 months vs every 4 months). What Doctors Know's advantage is iOS requirement (13.0 vs 15.0). 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. What Doctors Know sells 14 in-app purchases, starting at $5.99 per year. EDTNA/ERCA asks for nothing beyond the download.

UpkeepUpdate frequency

What Doctors Know ships an update every 4 months, EDTNA/ERCA every 2 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 3 level

What Doctors Know versus EDTNA/ERCA: the parameters behind the verdict, then further details
Parameter	What Doctors Know	EDTNA/ERCA
Price	Free	Free
Update frequency	Every 4 months	Every 2 months — better
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	13.0 — better	15.0
Further details — not scored
Size	12 MB	21 MB
Age rating	17+	12+
Developer	PressPad Sp. z o.o.	Trilobite Technologies, s.r.o.

In-app purchases

14 purchases

What Doctors Know

Subscriptions1

What Doctors Know$5.991 Year

One-time13

Issue #1$0.99
Issue #2$0.99
Issue #3$0.99

Show 10 more

Issue #95$0.99
Issue #96$0.99
Issue #97$0.99
Issue #98$0.99
Issue #99$0.99
Issue #100$0.99
Issue #91$0.99
Issue #92$0.99
Issue #93$0.99
Issue #94$0.99

None

EDTNA/ERCA

No in-app purchases

Questions

Is What Doctors Know free?

What Doctors Know is free to download, with in-app purchases available.

Is EDTNA/ERCA free?

EDTNA/ERCA is free to download, with no in-app purchases.

Do What Doctors Know or EDTNA/ERCA have ads?

Neither What Doctors Know nor EDTNA/ERCA shows ads.

Which is updated more often, What Doctors Know or EDTNA/ERCA?

What Doctors Know ships an update every 4 months, and EDTNA/ERCA every 2 months. Most recently, What Doctors Know was updated on October 6, 2026 and EDTNA/ERCA on October 7, 2026.