Grade Mobile SIM only deals
11 Grade Mobile SIM only plans in our comparison, from £9 a month, 2 with unlimited data, 3 on rolling one-month terms. Data, price and contract length on each, with any mid-contract rise stated.
Deals come from our comparison partner and MoneyHQ may earn a commission if you take one.
Grade Mobile SIM only plans right now
11 plans, £9 to £25 a month. 2 with unlimited data. 11 on 5G. 3 rolling one-month. None state a mid-contract rise.
| Data | A month | Contract | Sold by | Rise |
|---|---|---|---|---|
| 10GB · 5G | £9 | 24 months | Grade Mobile | No mid-contract rise stated |
| 10GB · 5G | £10 | 12 months | Grade Mobile | No mid-contract rise stated |
| 10GB · 5G | £11 | Rolling | Grade Mobile | No mid-contract rise stated |
| 30GB · 5G | £12 | 24 months | Grade Mobile | No mid-contract rise stated |
| 30GB · 5G | £14 | 12 months | Grade Mobile | No mid-contract rise stated |
| 30GB · 5G | £15 | Rolling | Grade Mobile | No mid-contract rise stated |
| 100GB · 5G | £16 | 24 months | Grade Mobile | No mid-contract rise stated |
| 100GB · 5G | £17 | 12 months | Grade Mobile | No mid-contract rise stated |
Figures read from our comparison partner’s feed on 17 September 2026. Prices, allowances and rises are stated by each provider and can change.
Grade Mobile SIM only: questions people ask
What is the lowest Grade Mobile SIM only price?
On 17 September 2026 the lowest monthly price we saw on Grade Mobile was £9 a month for 10GB on 24 months. That deal states no mid-contract rise.
How much is unlimited data on Grade Mobile?
The lowest unlimited-data price we saw on Grade Mobile was £24 a month on 24 months, one of 2 unlimited plans in the comparison.
Can I get a Grade Mobile SIM with no contract?
Yes: 3 of the 11 Grade Mobile plans we saw are rolling one-month plans you can leave with a month's notice.
Do Grade Mobile SIM only prices rise mid-contract?
None of the 11 Grade Mobile plans in our sample stated a mid-contract rise on 17 September 2026.
Are Grade Mobile SIM only deals 5G?
11 of the 11 plans we saw are 5G. Your phone must support 5G and you need 5G coverage where you use it.