SIM only deals
No handset, just data, calls and texts. Compare SIM only deals from the UK's leading networks.
79 deals availableUpdated daily
Showing 79 deals
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AM
Asda Mobile
3.7 (17000)
Uses Vodafone network
No contractNo price rise
Data
Unlimited
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£4.00/mo
✓ No contract✓ Free SIM✓ Rewards with Asda shopping
MZ
Mozillion
Uses multiple networks
Flexible plans
Data
1GB
Calls
100
Texts
Unlimited
Contract
SIM only
£4.00/mo
✓ Flexible plans✓ No long contracts
LB
Lebara
4.8 (78000)
Uses Vodafone network
EU roamingInternational calls
Data
5GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£5.00/mo
✓ International minutes included✓ EU roaming included✓ No credit check
AM
Asda Mobile
3.7 (17000)
Uses Vodafone network
No contractNo price rise5G
Data
3GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£5.00/mo
✓ No contract✓ Free SIM✓ Rewards with Asda shopping
MZ
Mozillion
Uses multiple networks
Flexible plans
Data
3GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£5.00/mo
✓ Flexible plans✓ No long contracts
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
25GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£6.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
8GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£6.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
2GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£6.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
1GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£6.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
50GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£7.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
SM
Smarty
4.0 (48000)
Uses Three network
No price riseData refund
Data
35GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£7.00/mo
✓ No annual price rises✓ Unused data refunded✓ EU roaming included✓ No Credit Checks, Data Roaming
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
20GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£7.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
LB
Lebara
4.8 (78000)
Uses Vodafone network
EU roamingInternational calls
Data
15GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£7.00/mo
✓ International minutes included✓ EU roaming included✓ No credit check
MZ
Mozillion
Uses multiple networks
Flexible plans
Data
10GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£7.00/mo
✓ Flexible plans✓ No long contracts
O2
O2 network
O2 PriorityEU roaming
Data
1GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£7.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
80GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£8.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
SM
Smarty
4.0 (48000)
Uses Three network
No price riseData refund
Data
75GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£8.00/mo
✓ No annual price rises✓ Unused data refunded✓ EU roaming included✓ No Credit Checks, Data Roaming
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
60GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£8.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
40GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£8.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
LB
Lebara
4.8 (78000)
Uses Vodafone network
EU roamingInternational calls
Data
30GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£8.00/mo
✓ International minutes included✓ EU roaming included✓ No credit check
AM
Asda Mobile
3.7 (17000)
Uses Vodafone network
No contractNo price rise5G
Data
10GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£8.00/mo
✓ No contract✓ Free SIM✓ Rewards with Asda shopping
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
5GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£8.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
4GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£8.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
108GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£9.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
SM
Smarty
4.0 (48000)
Uses Three network
No price riseData refund
Data
95GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£9.00/mo
✓ No annual price rises✓ Unused data refunded✓ EU roaming included✓ No Credit Checks, Data Roaming
LB
Lebara
4.8 (78000)
Uses Vodafone network
EU roamingInternational calls
Data
50GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£9.00/mo
✓ International minutes included✓ EU roaming included✓ No credit check
MZ
Mozillion
Uses multiple networks
Flexible plans
Data
30GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£9.00/mo
✓ Flexible plans✓ No long contracts
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
110GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£10.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
SM
Smarty
4.0 (48000)
Uses Three network
No price riseData refund
Data
100GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£10.00/mo
✓ No annual price rises✓ Unused data refunded✓ EU roaming included✓ No Credit Checks, Data Roaming
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
80GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£10.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
60GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£10.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
20GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£10.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
20GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£10.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
15GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£10.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
AM
Asda Mobile
3.7 (17000)
Uses Vodafone network
No contractNo price rise5G
Data
15GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£10.00/mo
✓ No contract✓ Free SIM✓ Rewards with Asda shopping
O2
O2 network
O2 PriorityEU roaming
Data
10GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£10.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
8GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£10.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
MZ
Mozillion
Uses multiple networks
Flexible plans
Data
80GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£11.00/mo
✓ Flexible plans✓ No long contracts
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
200GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£12.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
SM
Smarty
4.0 (48000)
Uses Three network
No price riseData refund
Data
170GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£12.00/mo
✓ No annual price rises✓ Unused data refunded✓ EU roaming included✓ No Credit Checks, Data Roaming
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
150GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£12.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
100GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£12.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
75GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£12.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
26GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£12.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
25GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£12.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
25GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£12.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
MZ
Mozillion
Uses multiple networks
Flexible plans
Data
100GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£13.00/mo
✓ Flexible plans✓ No long contracts
O2
O2 network
O2 PriorityEU roaming
Data
30GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£13.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
2GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£13.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
Top pick
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
300GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£14.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
250GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£14.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
iD Mobile
4.3 (70000)
Uses Three network
No price riseData rollover5G
Data
Unlimited
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£15.00/mo
✓ Roll over unused data✓ No roaming charges in EU✓ No price rises mid-contract
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
140GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£15.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
105GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£15.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
50GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£15.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
35GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£15.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
30GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£15.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
O2
O2 network
O2 PriorityEU roaming
Data
25GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£15.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
5GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£16.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
SM
Smarty
4.0 (48000)
Uses Three network
No price riseData refund
Data
Unlimited
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£17.00/mo
✓ No annual price rises✓ Unused data refunded✓ EU roaming included✓ No Credit Checks, Data Roaming
AM
Asda Mobile
3.7 (17000)
Uses Vodafone network
No contractNo price rise5G
Data
100GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£18.00/mo
✓ No contract✓ Free SIM✓ Rewards with Asda shopping
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
Unlimited
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£20.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
300GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£20.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
100GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£20.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
LB
Lebara
4.8 (78000)
Uses Vodafone network
EU roamingInternational calls
Data
100GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£20.00/mo
✓ International minutes included✓ EU roaming included✓ No credit check
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
80GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£20.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
O2
O2 network
O2 PriorityEU roaming
Data
50GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£20.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
40GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£20.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
20GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£23.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
3GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£24.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
MZ
Mozillion
Uses multiple networks
Flexible plans
Data
Unlimited
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£25.00/mo
✓ Flexible plans✓ No long contracts
LB
Lebara
4.8 (78000)
Uses Vodafone network
EU roamingInternational calls
Data
Unlimited
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£25.00/mo
✓ International minutes included✓ EU roaming included✓ No credit check
VOXI
3.2 (23000)
Uses Vodafone network
No price rise5G ready
Data
Unlimited
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£30.00/mo
✓ Endless social media✓ Endless video streaming✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
150GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£30.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
125GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£30.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
100GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£30.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
250GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£32.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
O2
O2 network
O2 PriorityEU roaming
Data
Unlimited
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£35.00/mo
✓ O2 Priority rewards✓ EU roaming included✓ 5G at no extra cost
giffgaff
3.9 (30000)
Uses O2 network
No price riseEU roaming
Data
200GB
Calls
Unlimited
Texts
Unlimited
Contract
SIM only
£35.00/mo
✓ No contract✓ EU roaming included✓ Free SIM delivery
Prices correct as of July 2026. We may earn commission when you click through — this never affects our rankings.