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
Allnet Flat 20 GB
Cancel monthly · 20 GB · 1&1 network
winSIM Allnet Flat 20 GB: 20 GB on the 1&1 network, up to 50 Mbit/s, 5G, unlimited calls and texts. Cancel monthly. Price: €8.99 / month, one-time €9.99. Over 24 months you pay €225.75, an average of €9.41 a month.
What you get
- Data
- 20 GB
- Speed
- up to 50 Mbit/s
- Network
1&1 network- 5G
- yes
- Calls and texts
- Unlimited to all German networks
- Contract
- Cancel monthly
Costs
- Base fee
- €8.99 / month
- One-time
- €9.99
- Total over 24 months
- €225.75
- Average per month
- €9.41
Price history
| Valid | Base fee | One-time | Avg. per month |
|---|---|---|---|
| 17 Oct 2026 – today | €8.99 / month | €9.99 | €9.41 |
In the comparison since . Last checked on on the winSIM 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