Mozillion vs OldNock
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Mozillion
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PLEASE NOTE: This is not an app to manage your Mozillion account. It is a shopping app to manage your Kill Your Bill Giftcard purchases. Shop like normal. Kill your phone bill. You're already spending at Sainsbury's, Costa, ASOS and 200 other brands. Mozillion turns that everyday spending into cash rewards that shrink โ or completely wipe out โ your monthly phone bill. No extra spending. No points to chase. No other UK network does this. HOW KILL YOUR BILL WORKS 1. Pick a Mozillion SIM only plan with Kill Your Bill included from the Mozillion website 2. Open the app before you shop and buy an eGift card for wherever you're heading. Takes about 10 seconds. 3. Pay with it as normal โ same shop, same basket, same total. 4. Your reward lands straight on your phone bill. Do that a few times a month and your bill can reach ยฃ0.00. 220+ BRANDS AND COUNTING Groceries, coffee, fashion, gaming, travel, electronics, beauty, toys and more โ including Sainsbury's, ALDI, Costa, Greggs, Boots, Argos, John Lewis, Nike, adidas, H&M, Gymshark, Starbucks, Uber, Airbnb, Hotels.com and Nintendo. New brands added every month. REWARDS THAT ROLL OVER Earn more than your bill is worth? The extra credit carries over to next month. It never expires โ so a busy shopping month keeps paying you back in a quiet one. Every Kill Your Bill plan includes: - Kill Your Bill rewards - Unlimited calls and texts - Uncapped 5G speeds - Free EU roaming - Rewards that roll over and never expire - No mid-contract price rises - No booking fees or hidden charges LIVE IN 60 SECONDS Choose an eSIM on Mozillion's website and you're connected in about a minute โ scan the QR code, add the plan in your settings, done. Prefer plastic? We'll post you a physical SIM instead. IN THE APP YOU CAN - Browse 220+ brands and buy eGift cards in seconds - See exactly what reward a purchase earns before you buy it - Track your running total and watch your next bill shrink - Send gift cards to friends and family โ and earn rewards on those too ALREADY WITH MOZILLION? On a pay monthly SIM only plan? You can move to a Kill Your Bill plan from your dashboard โ even mid-contract.
OldNock
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Welcome to Oldnock โ The Smarter Way to Buy & Sell Fashion! Oldnock is a next-generation resale marketplace inspired by New Gen - reimagined with powerful AI features to make selling easier, shopping safer, and discovering style effortless. Whether you're clearing out your wardrobe or hunting for unique pre-loved gems, Oldnock helps you do it smarter,
Screenshots
Verdict
Mozillion and OldNock are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.
| Parameter | Mozillion | OldNock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 15.1 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 30 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Mozillion | Marryam Mir |
In-app purchases
Mozillion
No in-app purchases
OldNock
No in-app purchases









