Honest Mobile SIM-only deals
Honest Mobile SIM-only deals
3 Honest Mobile plans, cheapest first. Prices checked against Honest Mobile's own site — these are the ongoing monthly costs, not introductory rates.
| Data | Contract | Monthly price | |
|---|---|---|---|
| 4GB | 30-day rolling | £12.15 | Get deal |
| 10GB | 30-day rolling | £17.50 | Get deal |
| Unlimited | 30-day rolling | £25.00 | Get deal |
Cheapest Honest Mobile plan is £12.15/mo. Honest Mobile runs on Three's network — compare it against every other provider using the same masts.
The essentials
| Price rises | None No price rises — the reverse, in fact: prices drop up to 5% a year the longer you stay, to a maximum 30% off. |
|---|---|
| Data rollover | No No data rollover — unused data is lost at the end of the month. |
| Full-speed data | Some caps Plans run at full 5G speed, but the unlimited plan is slowed to 3G speeds after 750GB in a month. |
| 5G | ✓ 5G on the Three network is included as standard on all SIM plans. |
| eSIM | ✓ Every plan can be ordered as an eSIM, downloadable in minutes, with physical SIM as the alternative. |
| Tube coverage | ✓ You get Tube coverage through Three’s network. TfL station WiFi has been superseded by 4G/5G mobile coverage in tunnels and stations, rolled out by all four networks and growing across the lines — just use your phone and it connects automatically. |
| Inclusive international calls | No International calls are charged per minute or via a paid add-on — not included in the plan. |
| Unlimited data | 750GB 750GB fair-use cap — Honest may limit you to 3G speeds if you use over 750GB in the UK in a single month. |
| EU roaming | Some plans EU roaming is free only for the first 5 days of each trip; the cache does not state costs beyond that. |
| Roaming data | 20GB Use your normal allowance in the EU up to a 20GB monthly fair-use limit. |
Technical details
| Roaming countries | ? |
|---|---|
| Tethering / hotspot | ? |
| 5G Standalone | ✗ Not available — Three's network doesn't support standalone 5G yet |
| WiFi calling | ✓ WiFi calling is included as standard on plans. |
| Roaming beyond the EU | Pay per use with capped bu… |
| 4G calling (VoLTE) | ✓ |
| RCS messaging | ✗ |
| RCS encryption | ✗ |
| Conference calling | ✓ |
| Missed call alerts | Some Only available when roaming off the host network |
| Visual voicemail | ✗ |
| HD Voice | ✓ |
| Carrier IMS | ✓ |
| Carrier voicemail | ✓ |
| Inclusive MMS | ✗ |
| IPv6 | Some IPv4 only |
| Roaming agreements | ✓ DIRECT, NOT INCLUDING SMART SIM - BROKER - Proximus BE/TIM IT |
| 5G roaming | ✓ |
| 4G calling abroad | ✓ |
Honest Mobile FAQ
How much is Honest Mobile?
The cheapest Honest Mobile SIM-only plan is £12.15/mo (4GB, 30-day rolling). Honest Mobile sells 3 plans in total, and we check every price against Honest Mobile's own site.
What network does Honest Mobile use?
Honest Mobile is an MVNO: it runs on Three's masts, so you get the same signal and coverage as Three, usually at a lower price.
Can I use Honest Mobile abroad in the EU?
Honest Mobile includes EU roaming on some plans. EU roaming is free only for the first 5 days of each trip; the cache does not state costs beyond that.
Does Honest Mobile have 5G?
Yes — Honest Mobile includes 5G. 5G on the Three network is included as standard on all SIM plans.
Does Honest Mobile support eSIM?
Yes — Honest Mobile supports eSIM. Every plan can be ordered as an eSIM, downloadable in minutes, with physical SIM as the alternative.
Does Honest Mobile put prices up mid-contract?
Yes — Honest Mobile raises prices during your contract. No price rises — the reverse, in fact: prices drop up to 5% a year the longer you stay, to a maximum 30% off.
Other SIMs on the Three network
Same masts, same coverage — different prices and features.
Feature and price data is checked by Scrimpr against Honest Mobile's own site and public documentation. Networks change plans often — always confirm details on the provider's site before buying. Some links are affiliate links (marked *), which support Scrimpr at no cost to you.
