Best Mobile Phone Deals Compared: Save Big on Your Next Smartphone

Compare the best mobile phone deals side by side and find the right one for your budget. Save more on top smartphones with Comparenbuy smart comparison tool. If you’re hunting for a shiny new smartphone without emptying your wallet, you’re in the right place. With so many brands, contracts, and retailers shouting about the “best deal”, it’s hard to know where the real value lies. That’s why we’ve done the heavy lifting and have the best mobile phone deals compared—so you can make a smart, wallet-friendly choice.

Whether you’re after cheap smartphones UK wide, checking out the latest UK phone offers, or looking to understand SIM-free phone prices, we’ve got everything laid out in one easy-to-read guide. Let’s dive in!

Why Comparing Mobile Deals Matters

It’s 2025, and smartphone prices are skyrocketing—but here’s the good news: so are the discounts! The catch? They’re scattered across the internet. That’s where mobile comparison sites come into play. They compile and display all available offers, helping you cut through the noise.

Here’s what a good comparison can help you do:

• Save up to 40% on monthly plans.
• Discover hidden UK phone offers exclusive to certain retailers.
• Find the most competitive SIM-free phone prices.
• Pick from a wide range of cheap smartphones UK that don’t compromise on features.

So, instead of just grabbing the first deal that pops up on your feed, take a moment to compare. Your bank balance will thank you later.

SIM-Free vs Contract: What’s Best for You?

Before diving into actual deals, let’s get this clear: should you go SIM-free or choose a contract?

SIM-Free Phones

These are unlocked phones that you buy outright. Here’s why many people love this option:

• Flexibility: You can pair it with any SIM-only plan.
• No credit checks: Perfect if you don’t want to go through a financing application.
• Better long-term value: No interest or hidden fees.

Today’s SIM-free phone prices range from budget-friendly £100 handsets to premium £1,200 flagships. Thanks to increasing competition, even cheap smartphones UK now offer great displays, 5G, and all-day battery life.

Contract Deals

These combine your phone and usage plan into one monthly payment. While the upfront cost is often low (sometimes zero!), it’s important to use mobile comparison sites to evaluate the total 24-month cost. Some UK phone offers seem cheap upfront but are pricey in the long run.

Best Mobile Phone Deals Compared in April 2025

Here’s the fun part—let’s get into the best current options, with our pick of both SIM-free and contract offers.

1. Apple iPhone 15

• SIM-Free: £749 (Base model, 128GB)
• Best Contract: £34/month with 20GB data, £49 upfront

This is one of the most searched models right now, and with mobile comparison sites showing a drop in price across retailers, it’s the best time to buy. Apple rarely discounts directly, but retailers often bundle vouchers or accessories into their UK phone offers.

2. Samsung Galaxy S25

• SIM-Free: £999
• Best Contract: £45/month, unlimited data, £0 upfront

Samsung’s flagship has powerful specs, but its premium price means smart shoppers are heading to mobile comparison sites to find value bundles. Carriers like EE and O2 are currently battling for customers with data-heavy plans.

3. Google Pixel 9

• SIM-Free: £699
• Best Contract: £29/month with 10GB data, £99 upfront

With its clean Android interface and regular updates, the Pixel 9 is perfect for Android purists. Some of the best cheap smartphones UK deals actually include this model, especially if you don’t need massive data bundles.

4. Motorola G73 5G

• SIM-Free: £219
• Best Contract: £18/month with 5GB data, £0 upfront

If you’re on a tight budget, this is one of the most value-packed cheap smartphones UK available right now. Great performance, solid battery, and 5G ready—it’s a budget phone that feels premium.

5. OnePlus Nord 5

• SIM-Free: £349
• Best Contract: £24/month with 15GB data, £29 upfront

OnePlus has quietly become the king of the mid-range segment. Thanks to smart pricing, the Nord 5 appears across mobile comparison sites as one of the top picks for 2025.

SIM-Free Phone Prices in 2025: What to Expect

With inflation and supply issues, you’d think phone prices would keep climbing. But in 2025, competition has finally brought some relief. SIM-free phone prices have become more stable, especially in the mid-range market.

Here’s a quick breakdown of what you can expect:

If you’re keen on avoiding contracts, watching the SIM-free phone prices section on leading mobile comparison sites is a good habit. Prices drop during mid-year and festive sales.

Mobile Comparison Sites: Where to Hunt for Deals

Not sure where to begin? Here are some of the top mobile comparison sites UK users trust:

• Uswitch – Great for filters and exclusive carrier deals.
• CompareMyMobile – Fantastic for trade-in options.
• MoneySuperMarket – Best for highlighting budget-friendly UK phone offers.
• TechRadar Deals – Useful for SIM-free phone discounts.
• Mobiles.co.uk – Strong bundles and cashback options.

These sites help you explore cheap smartphones UK, compare contracts, and monitor changing SIM-free phone prices—all in one place. Some even alert you when deals change, so you don’t miss out.

Tips to Score the Best Mobile Deal

Even after having the best mobile phone deals compared, you still need a smart buying strategy. Here’s what savvy shoppers do:

1. Trade In Your Old Device

Some UK phone offers include extra discounts if you trade in your previous phone. Sites like Apple and Samsung now offer up to £300 off this way.

2. Look for Cashback & Gift Cards

Retailers often include gift vouchers, free subscriptions, or cashback when you buy. This can dramatically reduce your total cost.

3. Choose SIM-Only Plans

Pairing a SIM-only plan with a SIM-free device gives you more flexibility and savings. Networks like Smarty, Voxi, and giffgaff offer some of the best rates.

4. Time Your Purchase

Watch out for:

• Spring Sales
• Amazon Prime Day
• Black Friday
• Back-to-School Offers

All of these have amazing UK phone offers with huge discounts on cheap smartphones UK and flagships alike.

Final Thoughts: How to Find Your Perfect Deal

Whether you’re a tech enthusiast or just looking for something that works well and won’t break the bank, making the right choice comes down to research. By having the best mobile phone deals compared, exploring SIM-free phone prices, and using reliable mobile comparison sites, you set yourself up for serious savings.

From premium handsets to cheap smartphones UK, the market is bursting with options. It’s all about matching your needs to the right offer. And trust us, in 2025, that’s easier than ever.

So before you click “Buy Now,” make sure you’ve seen what’s out there. Compare, contrast, and then commit.