Mobile virtual operator
Cobalt
Labs score 72Budget SIMs with data rollover. Adequate for messaging, maps and music rather than heavy streaming.
Coverage72
Speed58
Reliability68
Value88
What it does well
- Data rollover as standard
- Cheap mid-size data bundles
What to watch
- Slower speeds at peak times
- Limited support hours
Placeholder dataProvider assessments are launch copy based on our initial testing framework.
Plans
Current Cobalt plans
Example plans, structured so live pricing and offer links can be attached.
Related Labs work
Testing that informs this page
Labs test9 min
Can 5G replace home broadband?
We ran a 5G home router alongside full fibre for six weeks. Here is where it held up, and where it quietly fell apart.
Read
Field research11 min
Best connectivity for rural homes
Fixed wireless, 4G with an external antenna, satellite or a community network — how to work out which one your address actually supports.
Read
Comparison8 min
Starlink versus 5G
Two very different ways to get online without a fixed line. We compare cost, latency, weather resilience and where each one makes sense.
Read