A SIM-only deal gives you a SIM card with a set amount of data, minutes and texts — you bring your own phone. A phone contract bundles the handset and usage costs together, usually over 24 months. SIM-only is often cheaper if you already own a phone you’re happy with.
Yes - just request a PAC (Porting Authorisation Code) from your current provider, give it to your new one, and they’ll transfer your number. It’s usually done within one working day.
An eSIM is a digital version of the little plastic SIM card. It’s built into your phone and can be activated remotely - no physical card needed. Handy if your phone supports it, but not essential.
Many include annual price rises tied to inflation. Some networks increase bills mid-contract - it’s worth checking the small print before you commit. We’ll flag this wherever we can.
If you mostly use Wi-Fi, you might only need 5-10GB per month. Streaming on the go or tethering to a laptop? You might need 50GB or more. Unlimited data deals are increasingly affordable too, especially on SIM-only.
Often, yes - if you can afford the upfront cost. SIM-only deals tend to be cheaper month to month, and you’re not tied into long contracts. But bundle deals can be good value during sales or promos.
Mobile comparison made easy
There’s a lot to think about when you’re picking a mobile deal. Price is part of it, but what about contract length, coverage, extras, or how much data you’ll actually use? We’re here to help you find a mobile or SIM deal without falling asleep. Whether you’re upgrading your phone, switching networks or going SIM-only, we break things down in a way that’s easy to follow and built around what matters to you.
Compare mobile phones with confidence
We’re always tracking the best mobile deals across top networks and budget providers. That includes phone-and-contract bundles, SIM-only plans, PAYG options and more. You’ll find everything you need to make a smart switch – plus handy filters and guides to help you narrow things down. No jargon, no pressure, just genuinely useful information.
Smart tips to save on your SIM
You’ll find Genius Tips dotted around the site, with quick advice to help you cut costs and avoid common slip-ups. We might remind you to check your network’s mid-contract price rise policy, or suggest switching to SIM-only if you’re happy with your phone. They’re short, practical, and easy to action. We believe switching and choosing a deal should be an easy win, not a worry.
Genius Tip
Disable background apps to conserve data and battery life. 📱
