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SIM only deals

Keep the phone you love and pay less. Flexible SIM-only plans, many on rolling one-month contracts.

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23 deals

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ChattrUnlimited

SIM only

Freedom One unlimited SIM

  • Unlimited 5G data
  • Unlimited calls & texts
  • Drops to £14 from month 6, £13 from month 12
From £15 a month 1-month rolling
Get this deal

No contract · cancel anytime

Rewild Mobile

SIM only

Unlimited Everyday SIM

  • Unlimited data
  • No mid-contract price rises
  • 25% of net profits go to rewilding nature
From £21.25 a month 24-month plan
Get this deal

24-month plan · keep your number

Rewild MobileEco pick

SIM only

10GB Everyday SIM

  • 10GB data
  • Unlimited UK calls & texts
  • 25% of net profits go to rewilding nature
From £16.50 a month 1-month rolling · £1.65 per GB
Get this deal

No contract · cancel anytime

Asda Mobile

SIM only

100GB SIM

  • 100GB data
  • Unlimited minutes & texts
  • Free Wi-Fi calling
From £18 a month 1-month rolling · 18p per GB
Get this deal

No contract · cancel anytime

Asda Mobile

SIM only

Unlimited data SIM

  • Unlimited data (fair use applies)
  • Unlimited minutes & texts
  • Free Wi-Fi calling
From £22 a month 1-month rolling
Get this deal

No contract · cancel anytime

Asda Mobile

SIM only

15GB SIM

  • 15GB data
  • Unlimited minutes & texts
  • Free Wi-Fi calling
From £10 a month 1-month rolling · 67p per GB
Get this deal

No contract · cancel anytime

iD Mobile

SIM only

100GB SIM

  • 100GB data
  • Unlimited minutes & texts
  • No annual price rises
From £12 a month 1-month rolling · 12p per GB
Get this deal

No contract · cancel anytime

iD Mobile

SIM only

70GB SIM

  • 70GB data
  • Unlimited minutes & texts
  • No annual price rises
From £10 a month 1-month rolling · 14p per GB
Get this deal

No contract · cancel anytime

iD Mobile

SIM only

Unlimited data SIM, 24 months

  • Unlimited data
  • Unlimited minutes & texts
  • No annual price rises
From £17 a month 24-month plan
Get this deal

24-month plan · keep your number

iD Mobile

SIM only

300GB SIM

  • 300GB data
  • Unlimited minutes & texts
  • No annual price rises
From £16 a month 1-month rolling · 5p per GB
Get this deal

No contract · cancel anytime

iD Mobile

SIM only

100GB SIM, 24 months

  • 100GB data
  • Unlimited minutes & texts
  • No annual price rises
From £10 a month 24-month plan · 10p per GB
Get this deal

24-month plan · keep your number

iD Mobile

SIM only

Unlimited data SIM

  • Unlimited data
  • Unlimited minutes & texts
  • No annual price rises
From £20 a month 1-month rolling
Get this deal

No contract · cancel anytime

Asda Mobile

SIM only

3GB SIM

  • 3GB data
  • Unlimited minutes & texts
  • Free Wi-Fi calling
From £5 a month 1-month rolling · £1.67 per GB
Get this deal

No contract · cancel anytime

iD Mobile

SIM only

15GB SIM

  • 15GB data
  • Unlimited minutes & texts
  • No annual price rises
From £6 a month 1-month rolling · 40p per GB
Get this deal

No contract · cancel anytime

1pMobileBest value

SIM only

50GB 5G SIM

  • 50GB 5G data, no speed caps
  • Unlimited UK calls & texts
  • Free EU roaming
From £10 a month 1-month rolling · 20p per GB
Get this deal

No contract · cancel anytime

1pMobile

SIM only

200GB 5G SIM

  • 200GB 5G data, no speed caps
  • Unlimited UK calls & texts
  • Free EU roaming
From £20 a month 1-month rolling · 10p per GB
Get this deal

No contract · cancel anytime

1pMobile

SIM only

100GB 5G SIM

  • 100GB 5G data, no speed caps
  • Unlimited UK calls & texts
  • Free EU roaming
From £15 a month 1-month rolling · 15p per GB
Get this deal

No contract · cancel anytime

1pMobile

SIM only

Unlimited 5G SIM

  • Unlimited 5G data (fair use over 500GB)
  • Unlimited UK calls & texts
  • Extra SIMs half price
From £25 a month 1-month rolling
Get this deal

No contract · cancel anytime

1pMobile

SIM only

5GB 5G SIM

  • 5GB 5G data
  • Unlimited UK calls & texts
  • Free EU roaming
From £5 a month 1-month rolling · £1 per GB
Get this deal

No contract · cancel anytime

1pMobilePay yearly

SIM only

50GB a month, paid yearly

  • 50GB 5G data every 30 days
  • Unlimited UK calls & texts
  • One payment covers a whole year
From £9.17 a month £110 paid once for 12 months · 18p per GB
Get this deal

One payment covers 12 months

1pMobile

SIM only

100GB a month, paid yearly

  • 100GB 5G data every 30 days
  • Unlimited UK calls & texts
  • One payment covers a whole year
From £13.75 a month £165 paid once for 12 months · 14p per GB
Get this deal

One payment covers 12 months

1pMobile

SIM only

5GB a month, paid yearly

  • 5GB 5G data every 30 days
  • Unlimited UK calls & texts
  • One payment covers a whole year
From £4.58 a month £55 paid once for 12 months · 92p per GB
Get this deal

One payment covers 12 months

1pMobile

SIM only

Unlimited a month, paid yearly

  • Unlimited 5G data
  • Unlimited UK calls & texts
  • One payment covers a whole year
From £22.92 a month £275 paid once for 12 months
Get this deal

One payment covers 12 months

Helpful guides

Best SIM-only deals this monthCheapest unlimited data SIMsChattr vs 1pMobileChattr review1pMobile reviewAsda Mobile reviewRewild Mobile review

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