Cancel your Fitx subscription by mail
For Fitx the route is a written letter: cancellation requests are taken by post, and certified mail shows when yours arrived. Fitx receives written requests in Essen, Germany.
Let Postbye cancel Fitx for you
We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.
Money-back guarantee within 10 business days.
Postbye is not affiliated with Fitx.
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- 3 Fitx cancellations handled this month
- Certified mail with tracking
- Mailed every business day
- Delivery proof sent to you
- We confirm your cancellation
How to cancel Fitx by mail
Find your account details
Start with the name and email on the account and, if you have one, an account or customer number, so the request to Fitx names the right account the first time.
Write your request
The request is prepared in German (template de), under the subject line “Betreff: Kündigungsanfrage – [your name]”: end the subscription, stop all further charges and confirm in writing to you.
Send it by certified mail
Use certified mail for the 45012 Essen address in the next section, so the post office records the delivery. Write down the tracking number.
Hold on to the receipt
Keep the tracking record with your copy of the letter. If Fitx bills you after the date it received the request, you have the dates to point to.
With Postbye, steps 2 to 4 take about two minutes of your time.
Where your Fitx cancellation letter goes
Fitx can be reached by post at Postfach 101205, 45012 Essen, Germany.
“Postfach 101205” is a post-office box or mail-sorting line, so it takes post and not couriers: certified mail is the right way to reach it.
The letter is addressed “Sehr geehrte Damen und Herren,” and its details block uses the labels Kontoinhaber, Hinterlegte Rechnungsadresse and Hinterlegte E-Mail-Adresse.
Prefer to write it yourself? Use our letter template
Before you cancel Fitx, check these
- Use the same name and email as on the account. A mismatch can delay the request.
- Check your next statement: no charge should appear after the cancellation date.
- Look for annual or multi-month plans. A plan paid in advance usually runs to the end of the period you paid for.
Several states set rules for subscriptions that renew on their own. See what yours requires in automatic renewal laws by state.
Let Postbye cancel Fitx for you
We write your letter, mail it by certified mail the next business day, and confirm when the cancellation went through. You keep the signed proof.
How cancelling by mail works
Subscriptions renew automatically, and a written request is the clearest record that you asked to stop it before the next billing date.
A mailed letter is slower than a phone call but it is the version that proves what you asked for and when.
Fitx cancellation at a glance
- How Fitx accepts cancellations
- By mailed letter
- Mailing address on file
- Fitx Postfach 101205 45012 Essen Germany
- Country
- Germany
- Letter language
- German (template de)
- Added to the database
- May 19, 2026
- Data last checked
