Comparison

TK vs medflex

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

Head to head
About

TK

Access medical consultations, advice, and appointment scheduling all in one place. Get quick information on symptoms, lab results, and medical abbreviations. Find doctors and receive expert dental advice.

Highlights
  • Video consultations with doctors
  • 24/7 medical advice via chat or phone
  • Appointment scheduling
  • Symptom checker
  • Lab value checker
  • ICD code search
  • Dental prosthesis advice
Read full description

Discover the TK-Doc app - keep your health under control! Medical questions, video consultations, lab results, or doctor's appointments - all quickly and in one app. The TK-Doc app offers you: • Video consultations with doctors: Take advantage of video consultations for adults and children. Whether it's a diagnosis, therapy recommendation, or issuing prescriptions, you can do everything from the comfort of your own home. • Medical advice around the clock: Ask your questions in live chat and share documents directly with the consulting doctors. Or speak to a specialist by phone. All this is available at any time, 365 days a year. • Appointment scheduling: Looking for a doctor's appointment? The TK appointment service and 116117 appointment scheduling can help! We enable you to make appointments with doctors and specialists in your area – for routine examinations as well as specialist practices. • Symptom checker: Get quick and easy information about your symptoms. Simply answer a few questions and the symptom checker will generate a list of possible diagnoses to help you better assess your symptoms. • Lab value checker: Check your lab values yourself! Find out what abnormal values mean, what potential illnesses they may indicate, and what measures you can take. • ICD search: Understand medical abbreviations in no time. Our ICD search explains the meaning of codes and shows the corresponding diagnoses. • Expert advice on dental prostheses: Get valuable advice from experienced dentists on your treatment and cost plan free of charge. Get answers to your questions and choose the best therapy for you. • TK doctor guide: Looking for the right doctor? Use our TK doctor guide to find the right experts quickly and easily. We are constantly developing the TK-Doc app. Share your ideas and suggestions at gesundheitsapps@tk.de – we look forward to your feedback! Thank you for your support! Requirements: • TK customer • iOS 18 or higher

About

medflex

Securely communicate with medical professionals and institutions via text, voice, video, and file sharing. This app streamlines patient-provider interactions, reducing phone calls and emails. It connects patients with their doctors and therapists, and offers healthcare providers a unified platform for all communications.

Highlights
  • Secure text and voice messaging
  • Video chat for consultations
  • File sharing (reports, photos)
  • Push notifications for messages and appointments
  • Simplified login (PIN, fingerprint, Face ID)
  • Connect with doctors, therapists, and pharmacies
Features
Read full description

medflex ist die Rundum-Lösung für Ihre medizinische Kommunikation – entwickelt für Patienten, Praxen und Kliniken, Therapieeinrichtungen, Heilberufler, Apotheken, Labore und mehr. Mit der medflex mobile App nutzen Sie alle Funktionen der bekannten Webanwendung optimal von unterwegs. Das große Plus: - Push-Mitteilungen für neue Nachrichten oder Termineinladungen - Vereinfachter Login mit PIN, Fingerprint oder Face ID Sichere Kommunikation direkt von Ihrem Smartphone - Versenden und Empfangen von Text- und Sprachnachrichten, Befunden oder Foto-Dokumentationen - Austausch per zertifiziertem Videochat - Effiziente, zeit- und ortsunabhängige Kommunikation direkt über die App - Entlastung im (Praxis-)Alltag durch weniger Telefonate und E-Mail Anfragen - Zertifizierte Verschlüsselung der Datenübertragung nach neuesten Standards Alle medizinischen Kontakte in einer Anwendung Als Patient sind Sie über medflex zu jederzeit mit Ihren vertrauten Ärzten, Therapeuten oder anderen Behandlern verbunden und können Fragen oder einfache Beschwerden direkt online besprechen. Für Behandler bietet medflex den idealen Kontaktpunkt für die gesamte Kommunikation mit Kollegen, Patienten und Dienstleistern. Die Registrierung ist kostenlos und medflex ist jederzeit über die Smartphone App oder die Webanwendung erreichbar. Nie mehr Telefon-Warteschleifen Über Text- und Sprachnachrichten kommunizieren Sie, wann Sie wollen und von wo Sie wollen. Zweitmeinungen einholen, Patientenfragen klären oder sich im Team abstimmen, die Kommunikation fügt sich nahtlos in Ihren Alltag ein. Befunde, Dokumentationen und sonstige Unterlagen können Sie einfach über den Chat versenden, ganz ohne Fax oder lange Wartezeiten bei der Post. Digitale Beratung und Betreuung – persönlich und ortsunabhängig Die zertifizierte Videosprechstunde bietet die Möglichkeit, sich im medizinischen Kollegium auszutauschen oder Aufklärungsgespräche zwischen Behandler und Patient zu führen. Videotermine können direkt in der App geplant und durchgeführt werden. Auch Gruppentermine sind einfach möglich.

Screenshots

TK4 screens
medflex3 screens

Verdict

The call

The clearest difference is review sentiment: TK at 81% against medflex's 32%. medflex's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

TK ships an update monthly, medflex every 6 weeks. The most recent releases landed on October 19, 2026 and October 22, 2026 respectively.

Scorecard3 real differences · 7 level
TK versus medflex: the parameters behind the verdict, then further details
ParameterTKmedflex
PriceFreeFree
Rating4.3 (22 ratings) — better—
Positive reviews81.0% of reviews — better31.7% of reviews
Number of ratings22 — better—
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size44 MB27 MB
Age rating12+17+
DeveloperTechniker Krankenkasse (TK)medflex GmbH

Customer experience

TK

All ratings22 ratings
Positive77.3%
Neutral4.5%
Negative18.2%
Written reviews58 reviews
Positive81.0%
Neutral3.4%
Negative15.5%

medflex

Written reviews41 reviews
Positive31.7%
Neutral14.6%
Negative53.7%

In-app purchases

None

TK

No in-app purchases

None

medflex

No in-app purchases

Questions

Is TK free?
TK is free to download, with no in-app purchases.
Is medflex free?
medflex is free to download, with no in-app purchases.
Do TK or medflex have ads?
Neither TK nor medflex shows ads.
Which is updated more often, TK or medflex?
TK ships an update monthly, and medflex every 6 weeks. Most recently, TK was updated on October 19, 2026 and medflex on October 22, 2026.

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