Multi-network SIMs are getting more popular in the UK, but they are not all the same product. Here is how FlexiFone compares with three alternatives, based on what each provider says on its own website. "Not stated" means their website doesn't mention it.
| FlexiFone | Fuse Mobile | Honest Smart SIM | AnywhereSIM |
Type | Data-only, or Voice & SMS | Data-only | Data-only backup eSIM | Data,Voice & SMS |
SIM format | eSIM or physical SIM | eSIM | eSIM only | eSIM only |
Apps and websites | All | No restrictions stated | 500+ listed apps; open web browsing needs your main SIM | No restrictions stated |
Data sizes | 5, 10, 20, 30, 50 or 100GB a month | 5, 10 or 15GB a month | Unlimited for listed apps | 10GB Only |
Hotspot / tethering | Yes, unrestricted on data-only plans | Yes | Not stated on their website | Not stated on their website |
From | £8 a month, or £45 a year | £5.99 a month (5GB) | £10 a month, or £45 a year | £50 Upfront cost, valid for 12 months |
Contract | 30-day rolling or annual | Monthly, no contract | Monthly or annual | Annual Only |
Calls and texts | Voice & SMS plans available | Not included | Not included | Yes but no separate data only plans |
Roaming | 170+ destinations | 120+ countries (Pulse and Surge plans) | 180+ countries (listed apps) | Outside the EU: "not yet" (per their FAQ) |
Choose or block networks | Yes, block any one network | No, picks automatically | Not stated on their website | Not stated on their website |
Free trial or guarantee | No free trial | 7-day free trial | 14-day money-back guarantee | Upfront cost, valid for 12 months |
Business and IoT | Yes | Not stated on their website | Not stated on their website | Yes (CCTV, alarms, trackers) |
What stands out
Of the four, FlexiFone is the only one whose website states all of these: hotspot, network blocking, Voice & SMS plans and plans up to 100GB, with every app and website allowed.
To be fair, Fuse is cheaper on a monthly plan (£5.99 against our £8 for 5GB) and offers a 7-day free trial. Our annual 5GB plan works out at £3.75 a month, but it is paid for 12 months upfront.
How to choose
If you only need a cheap, simple data eSIM and no phone number, Fuse is worth a look. If you want a backup for a short list of everyday apps, Smart SIM does that. If you need an IoT or business device connection, AnywhereSIM and our own Business and IoT SIMs are built for that. If you want a normal data or backup voice SIM that works with everything, lets you block your main network, and comes as eSIM or physical SIM, that is FlexiFone.