O2 vs Telekom: which is better? Comparison 2026

By our public methodology O2 scores 91 out of 100 and Telekom scores 88. Below: the factors and facts where they differ, each fact with its source.

Mobile operators in Germany 2026: a ranking built on verified facts How we rank

1

O2

91/100
2

Telekom

88/100

Score breakdown

O2Telekom
Network9999
Cost9595
Service6767
Transparency10067

Pros and cons

O2

  • Reference tariff among the cheapest in the country
  • Listed by the telecom regulator
  • Commercial 5G for consumers
  • High officially stated population coverage
  • Human support is not 24/7

Telekom

  • Reference tariff among the cheapest in the country
  • Listed by the telecom regulator
  • Commercial 5G for consumers
  • High officially stated population coverage

Facts side by side

FactO2Telekom
Listed by the regulatorYes bundesnetzagentur.deYes bundesnetzagentur.de
Own radio networkYes bundesnetzagentur.deYes bundesnetzagentur.de
Commercial 5GYes o2online.deYes telekom.com
Stated population coverage99% o2online.de99% telekom.com
Price index (100 = cheapest in the country)111 o2online.de111 telekom.de
Commercial 4GYes o2online.deYes telekom.com
eSIMYes o2online.deYes telekom.de
International roamingYes o2online.deYes telekom.de
Self-care appYes o2online.deYes telekom.de
24/7 human supportNo o2online.deNot verified
Tariff terms publishedYes o2online.deYes telekom.de
Complaints procedure publishedYes o2online.deNot verified

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