Is TK cheaper than AOK for students?

Base student contributions are set in a similar public framework. Small differences come from Zusatzbeitrag (extra contribution) set by each insurer. Compare the current student rate on TK and your regional AOK site, not forum screenshots from last year.

What is a Mitgliedsbescheinigung?

It is the membership confirmation letter universities need for Immatrikulation. Without it (or an equivalent insurer certificate), enrolment stalls even if you paid semester fees.

Can I sign up for TK or AOK from India?

Many students arrange public insurance with a start date around arrival, or use incoming cover for the visa then switch. Confirm the exact process with the insurer and your university. See our main health insurance guide.

What happens to student public insurance at age 30?

Standard preferential student public insurance usually ends at 30 (or earlier in some second-degree cases). You may move to voluntary public rates or private options. Check your insurer 3 to 6 months before the birthday.

Can I switch from AOK to TK later?

Switching public insurers is possible under German rules with notice periods. Do not switch in a way that creates a coverage gap during enrolment or visa extension.

Health

TK vs AOK for Students in Germany: Cost, Enrollment Letter, Age 30

TK vs AOK for students in Germany: student rates, Mitgliedsbescheinigung, English support, switching, and what happens to public insurance after 30.

TL;DR: TK vs AOK for students in Germany is usually a service choice, not a huge price gap. Public student rates sit in a similar band for under-30 first-degree students. Techniker Krankenkasse is popular with internationals for apps and English support. AOK is regional and widely accepted at clinics. Universities need a Mitgliedsbescheinigung for enrolment. Preferential student public insurance usually ends at age 30. Compare today’s Zusatzbeitrag on the insurer sites, not last year’s forum screenshots.

Dev Adnani

Updated August 24, 2026

9 min read

TK vs AOK for Students in Germany: Cost, Enrollment Letter, Age 30

TK vs AOK students Germany (Krankenversicherung Studenten TK AOK) is the comparison people search after they accept that public cover is mandatory for most under-30 students. It is also the practical pick for the best health insurance for students in Germany when you are already in the public system.

For the full legal frame (public vs private, visa letters, enrolment), start with health insurance for international students.

Why this choice shows up everywhere

Public student insurance (gesetzliche Krankenversicherung, the studentische Krankenversicherung) is the default path for many first-degree students under 30. TK (Techniker Krankenkasse) and AOK (regional AOKs such as AOK Bayern, AOK Nordost) are the names Indian students hear first.

Both are legitimate public insurers. Universities care that you have a valid Mitgliedsbescheinigung, not that you picked a brand for vibes.

Insurer sites: tk.de and your regional aok.de portal.

How to compare TK and AOK as a student

Factor	What to check
Monthly student rate	Current student contribution + Zusatzbeitrag
App / English support	Claims, sick notes, membership letters
Enrolment letter speed	How fast you get the Mitgliedsbescheinigung
Local offices	Useful if you prefer in-person help
Extras	Bonuses, dental extras, travel add-ons (read the fine print)

Price gaps are often small. Service and letter speed matter more in week one (first 30 days).

Mitgliedsbescheinigung and enrolment

Universities need proof before Immatrikulation (Zulassung vs Immatrikulation). Ask the insurer for the student membership certificate with the correct start date. Keep PDF and paper copies for Ausländerbehörde too (residence permit after arrival).

Age 30 and second-degree traps

Preferential student tariffs do not last forever. Around age 30, or for some second Masters / non-standard statuses, contribution rules change. If you will turn 30 mid-degree:

Ask TK or AOK for the post-30 contribution estimate in writing
Budget the jump into your cost of living plan
Do not let coverage lapse during a switch

Switching without creating a gap

You can change public insurers, but German notice rules apply. Never cancel the old policy before the new one confirms a seamless start date. A gap can block re-registration or residence appointments.

Visa stage vs arrival stage

For the visa, many students use incoming cover (for example DR-WALTER-style products) plus a plan to enter public insurance on arrival. Match embassy rules from your VFS checklist (student visa requirements). After landing, activate the public membership you actually want long-term. Using the card (GP, 116117, sick notes) is a separate guide: Hausarzt for international students.

Bottom line

Pick TK if you want strong digital/English workflows. Pick AOK if your region’s service and local offices fit you better. Confirm today’s student rate, get the Mitgliedsbescheinigung fast, and calendar the age-30 change. The wrong choice is any gap in cover during enrolment.

Frequently asked questions

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