TK vs Pollenius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
Pollenius
Track pollen allergies in Berlin with real-time data and a symptom diary. Contribute to climate change research and receive allergy tips. Join the #berlinbreathing community.
- Real-time pollen data for Berlin
- Symptom diary
- Medication diary
- Outdoor time tracking
- Allergy tips and knowledge
- Data donation for research
- Personal health profile
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Pollenius ist Dein Begleiter für Pollenallergien in Berlin und ermöglicht es Dir, einen aktiven Teil zur Erforschung von Pollenallergien in Zeiten des Klimawandels und sich verändernder Biodiversität zu leisten. Das Tagebuch erlaubt es, Symptome und Medikamenteneinnahmen aufzuzeichnen, sowie einen Überblick über die im Freien verbrachte Zeit zu behalten. Außerdem liefert die App alle 3 Stunden aktuelle Pollendaten für Berlin, quasi in Echtzeit! Werde Teil der #berlinbreathing-Community und spende anonym Deine Daten. Dank Deines Beitrags können wir ein Vorhersagemodell erarbeiten, um in Zukunft das Leben mit Allergien einfacher zu gestalten. Als Dankeschön erhältst du interessante und hilfreiche Tipps&Tricks rund um das Thema „Allergie in Zeiten des Klimawandels“. Funktionen: Real gemessene Pollendaten für den Raum Berlin im 3-Stunden-Intervall für die acht wichtigsten Pollenarten (Ambrosia, Beifuß, Birke, Erle, Esche, Gräser, Hasel, Roggen) Symptomtagebuch Medikamententagebuch Aufzeichnung der täglich im Freien verbrachten Zeit Täglich aktualisiertes, praktisches Wissen und Tipps rund um das Thema Pollenallergien Datenspende-Funktion für die Initiative #berlinbreathing (Bürger schaffen wissen, Teilnahme für jede/n möglich) Symptom- und Medikamententagebuch für Teilnehmende der klinischen Studie #berlinbreathing (200 Teilnehmende mit regelmäßigen Terminen in der Charité Universitätsmedizin – Berlin) Individuelles Profil mit Übersichtsmöglichkeiten zur eigenen Krankengeschichte, diagnostischen Tests und Therapien Partner: Die App Pollenius wurde in enger Zusammenarbeit mit der Nachwuchsforschungsgruppe POLARISE, der Klinik für Pädiatrie m.S. Pneumologie, Immunologie und Intensivmedizin, der Charité Universitätsmedizin – Berlin angepasst um Daten für das Forschungsprojekt #berlinbreathing zu sammeln und Teilnehmende engmaschig zu begleiten. Ziel der Arbeitsgruppe ist es, ein Vorhersagesystem zu erarbeiten, dass es in der Zukunft ermöglicht individuelle Allergiesymptome vorherzusagen und so das Leben mit Pollenallergien leichter planbar zu machen. Außerdem soll das System frühzeitig vor dem Auftreten neuer Allergien warnen und so frühe Gegenmaßnahmen (Allergenvermeidung, Allergenimmuntherapie etc.) ermöglichen.
Screenshots
Verdict
The clearest difference is review sentiment: TK at 81% against Pollenius's 25%. TK also leads on rating (4.2 vs 1.0) and ratings volume (21 vs 1). Pollenius's advantage is iOS requirement (16.6 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TK holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: TK has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 81% of TK's written reviews are positive against 25% of Pollenius's.
TK ships an update every 6 weeks, Pollenius monthly. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.
| Parameter | TK | Pollenius |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (21 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 81.0% of reviews — better | 25.0% of reviews |
| Number of ratings | 21 — better | 1 |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 41 MB | 25 MB |
| Age rating | 12+ | 12+ |
| Developer | Techniker Krankenkasse (TK) | Charite – Universitatsmedizin Berlin |
Customer experience
TK
Pollenius
In-app purchases
TK
No in-app purchases
Pollenius
No in-app purchases








