SIM only · fixed price
SIM only deals with no price rises
The networks that don’t add an April rise to SIM only plans — so the price you sign up to is the price you pay.
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Which networks don’t raise prices?
giffgaff, SMARTY, Lebara, Lycamobile, VOXI and iD Mobile (on SIM only).
How much do rises cost elsewhere?
A £2.50 yearly rise adds about £75 over a 24-month plan that starts now, because the second rise stacks on the first.
Do they use worse coverage?
No — they run on O2, Three, Vodafone and EE masts.
No price rise- Runs on Three
- 30-day rolling plan
- Credit check applies
- Roaming in 50 countries, 30 GB
£6 a month
Get this dealiD Mobile review →Live price, checked several times a day.
SIM only with no price rises: every network ranked
| # | Network | Data | Contract | Monthly | Masts | 24 months, rises included | |
|---|---|---|---|---|---|---|---|
| 1 |  SMARTY | 18GB | 30 days | £6 | Three | £144 | Get deal |
| 2 | iD Mobile | 25GB | 30 days | £6 | Three | £144 | Get deal |
| 3 |  Lebara | 15GB | 30 days | £7 | Vodafone | £168 | Get deal |
| 4 |  giffgaff | 40GB | 18 months | £8 | O2 | £192 | Get deal |
| 5 |  Lycamobile | 30GB | 30 days | £10 | EE | £240 | Get deal |
| 6 |  VOXI | 80GB | 30 days | £10 | Vodafone | £240 | Get deal |
Cheapest plan per network matching this page, checked 27 October 2026. “24 months” adds each network’s April rise for a plan starting this month; on 30-day plans you can leave before a rise.
Why fixed prices matter
Since January 2025 networks must show annual rises in pounds, but most still add one: EE, O2 and Vodafone £2.50 a month on SIM only, Three £1.80 to £2.30. Because each year’s rise stacks on the last, over a 24-month plan starting now that is roughly £55 to £75 on top. The networks below don’t add a rise at all. Every network’s rise.
All matching deals, live
FAQ
Common questions
Does giffgaff put prices up?
giffgaff has no annual price rise on its plans.
Does SMARTY have price rises?
No — SMARTY doesn’t raise prices during your plan.
Can a network still raise prices?
Only if it tells you first; if the rise wasn’t in your contract you can leave penalty-free within 30 days.