Which? customer score
73%
Ofcom complaints
3 per 100,000 customers (average 2)
Network it uses
Three
Owned by
Currys plc (wholly owned subsidiary)
Customer service
Live chat with advisers (9am to 8pm weekdays, 9am to 6pm weekends and bank holidays), iD Mobile app, iD Community forum, social media, and an automated phone line (7777 from iD, 0333 003 7777). No advertised phone line to an adviser.
EU roaming
Included in 50 destinations, up to 30GB
Contracts
30-day rolling, 12 or 24 month SIM-only; also pay as you go
Credit check
Yes for pay monthly SIM-only (Equifax); no check on pay as you go
Price rises
No annual CPI/RPI or mid-contract rises on SIM-only
Features
5G: Yes · eSIM: Yes · Wi-Fi calling: Yes · Data rollover: Yes
Perks
Data rollover (one month) on all plans Free bill capping iD Perks rewards and discounts (e.g. Currys and third-party brands) No annual CPI/RPI price rises on SIM-only plans Inclusive roaming in 50 destinations
Plans
Compare with other Three networks Every iD Mobile plan we track
Sorted by what you pay over 12 months.
| Network | Data | Contract | Monthly | 12 months | |
|---|---|---|---|---|---|
| iD MobileRuns on Three · Data rollover | 6GB | Monthly | £6 | £72.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 8GB | 12 months | £6 | £72.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 10GB | 24 months | £6 | £72.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 10GB | Monthly | £7 | £84.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 20GB | 12 months | £7 | £84.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 30GB | 24 months | £7 | £84.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover, 6 months half price | 100GB | 24 months | £10£5 for 6 months first | £90.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 40GB | Monthly | £8 | £96.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 50GB | 12 months | £8 | £96.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 60GB | 24 months | £8 | £96.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover, 3 months half price | 90GB | 12 months | £10£5 for 3 months first | £105.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover, 6 months half price | 150GB | 24 months | £12£6 for 6 months first | £108.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 80GB | Monthly | £10 | £120.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover, 3 months half price | 150GB | 12 months | £12£6 for 3 months first | £126.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover, 6 months half price | 250GB | 24 months | £14£7 for 6 months first | £126.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 120GB | Monthly | £12 | £144.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover, 3 months half price | 200GB | 12 months | £14£7 for 3 months first | £147.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 200GB | Monthly | £14 | £168.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 250GB | Monthly | £15 | £180.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | 300GB | Monthly | £16 | £192.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | Unlimited | 24 months | £16 | £192.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | Unlimited | 12 months | £17 | £204.00 | Go to iD Mobile Provider link |
| iD MobileRuns on Three · Data rollover | Unlimited | Monthly | £18 | £216.00 | Go to iD Mobile Provider link |
Good
- Data rollover and free bill capping as standard
- No annual price rises on SIM-only plans
- Generous roaming: 50 destinations, up to 30GB
Not so good
- Credit check needed for pay monthly SIMs
- No phone line to a person (chat only)
- Ofcom complaints above the industry average in Q1 2026
Same signal
Other networks on Three
Same masts, so the same coverage. Worth comparing prices.
Sources: idmobile.co.uk, idmobile.co.uk, community.idmobile.co.uk, en.wikipedia.org.