Comparison

Fuse Mobile vs KCOM eSIM

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Fuse Mobile

Features
Read full description

The UK's first multi-network eSIM. Fused. Fuse connects you to EE, Three, Vodafone, and Oβ‚‚ through one eSIM β€” automatically switching to the strongest signal, wherever you are. No more "no signal" moments. No more network lottery. WHY FUSE β€’ Every UK network, one eSIM. Your phone fuses all four major UK networks into a single connection. When one drops, we switch you to the next strongest β€” automatically. β€’ See it happen in real time. Watch live network switches in your activity timeline. Know exactly which network is serving you, and when. β€’ Pay only for data. Flexible plans, no contract. Pause or cancel anytime. No commitments, no fine print. β€’ Live in 60 seconds. No SIM card, no store visit. Scan once, install, you're online. β€’ Honest usage tracking. See every byte and which network served you β€” broken down across EE, Three, Vodafone, and Oβ‚‚. β€’ Real support. We usually reply in under 2 hours. No bots, no scripts, no queues. CHOOSE YOUR PLAN Three plans β€” light, regular, heavy β€” built around real UK data habits. Switch between them anytime from the app. See full pricing and allowances when you sign up at fusemobile.co.uk or in the app. HOW IT WORKS 1. Choose your plan and check out at fusemobile.co.uk or in-app. 2. Install your Fuse eSIM in 60 seconds β€” direct install on iPhone, no QR code needed. 3. Your phone auto-connects to the strongest UK network. When signal drops, we switch you. 4. Manage your account, view usage, pause or change plan β€” all from the app. DATA-ONLY eSIM Fuse is a data-only service β€” you get cellular data, not voice calls or SMS. Use WhatsApp, FaceTime, iMessage, or any internet calling app for communication. Designed for the way people actually use phones in 2026. ABOUT FUSE Fuse Mobile is a UK telecommunications service provider β€” a regulated MVNO operating on Telnyx wireless infrastructure with multi-network UK roaming. We're built for people who want connectivity that just works, without the lock-in of traditional carriers. Have questions? Tap "Help" in the app or visit fusemobile.co.uk/help. We're here.

About

KCOM eSIM

Features
Read full description

Say goodbye to waiting for a SIM card. With KCOM eSIM, you can get connected in minutes, all from your phone. It’s quick, simple, and completely digital. We know things can change, so you’re not tied into a long-term contract. With a monthly rolling plan, you can pay monthly and cancel anytime. Plus, you get UK unlimited data, calls and texts for one simple monthly price, with no hidden fees. No waiting, no swapping SIM cards, no long-term commitment. Just simple, great value, flexible mobile connectivity. How it works - Install the KCOM eSIM app. - Select if you are a KCOM Consumer or Business customer. - Follow the on-screen steps to install your eSIM. You can transfer your existing mobile number to your new eSIM. - Select your payment method. - Your new eSIM is now ready to go! The app is free to download. Payment is required to use the eSIM services.

Screenshots

Fuse Mobile4 screens
KCOM eSIM4 screens

Verdict

The call

The clearest difference is iOS requirement: Fuse Mobile at 13.0 against KCOM eSIM's 16.4. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference Β· 5 level
Fuse Mobile versus KCOM eSIM: the parameters behind the verdict, then further details
ParameterFuse MobileKCOM eSIM
PriceFreeFree
Update frequencyFortnightlyβ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 β€” better16.4
Further details β€” not scored
Size67 MB79 MB
Age rating4+4+
DeveloperMILTA HOLDING LTDKCOM Group PLC

In-app purchases

None

Fuse Mobile

No in-app purchases

None

KCOM eSIM

No in-app purchases

Questions

Is Fuse Mobile free?
Fuse Mobile is free to download, with no in-app purchases.
Is KCOM eSIM free?
KCOM eSIM is free to download, with no in-app purchases.
Do Fuse Mobile or KCOM eSIM have ads?
Neither Fuse Mobile nor KCOM eSIM shows ads.

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