4.3
37K reviews
Content rating
Everyone
1M+
Downloads
Content rating
Everyone
In-App Purchases
Learn more
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About this app

Always keep track of how much data volume, minutes and SMS you have already used. The Mein Blau app combines many useful services in a single application. So you are always up to date, regardless of whether you are a contract or prepaid customer.

Now to Mein Blau: Download the Mein Blau app to your smartphone now – for free, of course. And use the many practical functions to get even more out of your mobile life.


Contract customer: Your advantages with the Mein Blau app!

☆ Usage check of data volume, minutes and SMS
☆ View tariff details and book tariff options
☆ Your last six bills and itemized bills (EVN)
☆ Annual overview with invoice amounts for the past five years
☆ Easily check and change your customer data - conveniently on the go and without waiting times
☆ Price information for use abroad - simply by selecting the country


Prepaid customer: Your advantages with the Mein Blau app!

☆ Consumption display of the inclusive units of your booked options
☆ View current credit and easily top up credit
☆ Change tariff and book additional options
☆ Easily check and change customer data - conveniently on the go and without waiting times


*** Liability/ Conditions ***
Please note that this app is based on Telefónica Germany's online services.
Constant availability of the service cannot be guaranteed.
Registration for the online service is required to use the Mein Blau app. Registration is possible via the app or via the blau.de website.
Updated on
May 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, Financial info and 3 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.3
36.3K reviews
Olivier Laviale
April 27, 2026
The app adds no value or better UI. It's basically a web view of the website.
Telefónica Germany GmbH & Co. OHG
April 28, 2026
Hallo Olivier Laviale, vielen Dank für deine Bewertung. Schade, dass du diesen Eindruck erhalten hast. Welche Info zu deinem Vertrag vermisst du in unserer App?
balaji shinde
April 17, 2026
App is Good however in today's global Environments it's must to have it in Multilingual language at least English is mandatory
1 person found this review helpful
Telefónica Germany GmbH & Co. OHG
April 17, 2026
Hallo balaji shinde, vielen Dank für deine Bewertung. Deinen Verbesserungsvorschlag zur Sprachauswahl nehmen wir gerne mit.
Eric
May 25, 2026
Please add an option for App languages in the settings, such as English
Telefónica Germany GmbH & Co. OHG
May 26, 2026
Hallo Eric, vielen Dank für deine Bewertung. Deinen Vorschlag nehmen wir sehr gern mit, dank dir.
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
Telefónica Germany GmbH & Co. OHG
appstore@telefonica.com
Georg-Brauchle-Ring 50 80992 München Germany
+49 89 787979443