Rank 1
Lebara
Allnet 20 GB
- Data
- 20 GB
- Speed
- –
- Network
o2 network
Avg. per month
€5.20
€4.99 / month
one-time: €5.00
o2 Mobile S
24-month contract · 15 GB · o2 network
o2 o2 Mobile S: 15 GB on the o2 network, up to 300 Mbit/s, 5G, unlimited calls and texts. 24-month contract. Price: €19.99 / month, one-time €39.99. Over 24 months you pay €519.75, an average of €21.66 a month.
What you get
- Data
- 15 GB
- Speed
- up to 300 Mbit/s
- Network
- o2 network
- 5G
- yes
- Calls and texts
- Unlimited to all German networks
- Contract
- 24-month contract
Costs
- Base fee
- €19.99 / month
- One-time
- €39.99
- Total over 24 months
- €519.75
- Average per month
- €21.66
Price history
| Valid | Base fee | One-time | Avg. per month |
|---|---|---|---|
| 17 Oct 2026 – today | €19.99 / month | €39.99 | €21.66 |
In the comparison since . Last checked on on the o2 website.
As much data, as cheap or cheaper
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Rank 2
Lebara
Allnet 20 GB Flex
- Data
- 20 GB
- Speed
- –
- Network
- o2 network
Avg. per month
€5.82
€4.99 / month
one-time: €19.99 
Rank 3
Lyca Mobile
Lyca Flat
- Data
- 20 GB / 4 weeks
- Speed
- –
- Network
- o2 network
Avg. per month
€6.49
€5.99 / 4 weeks
one-time: none