From 0 to
10 Million Users
in One Campaign.
How we turned everyday grocery purchases into a brand's biggest direct-to-consumer engagement channel. No app store download required, no signup form at entry, and no wasted steps along the way.
10M+
Users
0
App Store installs
60s
First reward
User Growth Curve
10.2M
Campaign lifetime
Senior Software Engineer — Techwisely, UK
Infrastructure Lead & Frontend Lead — architected the PWA, deployment infrastructure, and customer-facing experience that powered the 10M user milestone
Total Users
10M+
▲ Exceeded target by 3x
Onboarded across campaign lifetime
Signup Friction
0%
▲ Industry first
Zero-auth onboarding, instant access
Sales Lift
+Strong
▲ Across key SKUs
Direct campaign-driven purchase growth
Time to Value
60s
▲ Best-in-class
QR scan to first reward earned
01 — The Problem
A Household Brand with No Direct Line to Its Customers
A leading FMCG brand sells what millions of families buy every week: milk, bread, juices, cakes, water. Yet despite that volume, they had no visibility into the people actually buying their products.
Every sale flowed through traditional retail distribution with no customer data attached. There was no loyalty lever, no way to measure whether a promotion actually worked, and no visibility into whether a customer came back once, ten times, or never.
They needed a direct consumer channel, but the challenge was real: in a market where app download friction kills campaigns before they start, how do you build something people actually use?
The Broken Chain
Before — No Consumer Visibility
The Brand
Produces & distributes
━━━ DATA STOPS HERE ━━━
Retail Channel
Third-party distribution
End Customer
Invisible to the brand
02 — The Solution
The Conversion Funnel
Each step designed to retain, not lose
QR scan in-store
100%
App opens (PWA)
~95%
Receipt uploaded
~80%
Points earned
~78%
Rewards redeemed
CONVERT
A Zero-Friction Funnel That Pays Customers to Engage
We replaced the traditional "install, register, wait for value" flow with something much simpler: scan, engage, earn, all in under 60 seconds.
Going with a Progressive Web App removed the App Store barrier entirely. A guest-first token meant users could start without filling in a form, and AI-powered receipt validation meant every genuine purchase was rewarded automatically. Contact details were only collected at the moment of reward redemption, which is when users were most willing to share them.
Every design decision came back to one question: what's the fastest way to turn a curious shopper into a rewarded, repeat customer?
03 — Key Features
Every Feature Built to Remove a Barrier
Every feature had to either reduce friction or increase engagement. That discipline is a big part of how the app reached 10 million users.
Progressive Web App
No App Store, no Play Store. Customers install directly from the QR scan, straight to their home screen in seconds. This removed the biggest barrier to adoption.
Zero-Auth Onboarding
No signup form at entry. Users get a guest token and start earning points right away. Contact details are only asked for at redemption, when intent is at its highest.
AI Receipt Validation
Custom OCR model trained on branded receipts. Every upload is automatically validated and rewarded, with no human review needed and no significant fraud exposure.
In-Store QR Entry
QR codes at the point of sale connect the physical shopping moment directly to the digital reward. No URL to type, no search required, no lost intent.
Points & Rewards Engine
Customers earn per validated receipt and redeem for real rewards. Campaign management tools let the brand launch, adjust, and measure in real time.
Smart Conversion
Guest tokens convert to registered accounts only at redemption. Users complete full registration when their motivation is highest, which is when they're about to collect a reward.
04 — Business Impact
The Numbers That Matter
A CEO-level view of what this platform delivered.
User Acquisition Growth
From launch to 10M+ onboarded users
10.2M
Total users
+8,200%
Growth rate
~95%
Funnel retention
Conversion Comparison
With vs without signup friction
10x
higher conversion
Traditional app with signup
~8%
Zero-auth PWA (our build)
~85%
Removing the signup barrier drove conversion to nearly 10x the industry standard for branded loyalty apps, which was the single biggest contributor to reaching 10 million users.
Sales Uplift Trajectory
Campaign-driven purchase growth
2.5x
peak uplift
1.0x
Before
1.5x
Launch
2.0x
Growth
2.5x
Peak
Campaign engagement directly correlated with sales uplift across key SKUs. Peak campaign periods drove 2.5x baseline purchase velocity.
The Frictionless Customer Journey
Physical shelf to digital reward, 60 seconds, no friction
In-Store
~5s
Scan QR
~3s
PWA Opens
~2s
Upload Receipt
~30s
Rewarded
~20s
60s
Total journey
0
Forms filled
0
App downloads
1
Tap to start
Repeat Purchase Cycle
Self-reinforcing engagement loop
3.2x
Avg. purchase frequency increase
Customer Lifetime Value
CLV uplift from loyalty engagement
Non-loyalty customer
1.0x
Baseline CLV
Loyalty-engaged customer
2.4x
+140% lifetime value
Reward-redeemed customer
3.1x
+210% lifetime value
+140%
Avg. CLV uplift from loyalty tier
Redeemers show 3x purchase depth vs. base
Offline-to-Online Value Chain
How a physical purchase becomes a digital loyalty relationship
Stage 01
Physical Store
Customer buys a branded product. QR code on shelf/receipt triggers the journey.
QR / Barcode
Stage 02
Digital PWA
Instant scan-to-app. Zero signup. Receipt uploaded, validated by AI, points credited.
~85%
Stage 03
Reward & Return
Points redeemed for gifts. Customer returns to buy more. Loyalty loop closes.
+140%
The decision to go PWA and zero-auth wasn't just a UX choice, it was a growth strategy. Every barrier we removed turned into a user gained. Ten million users validated that thinking.
— Engineering leadership, on the platform's success
05 — Key Insight
Friction Is the Hidden Tax on Every Campaign
The most valuable lesson from this project applies well beyond loyalty apps and the FMCG space.
The Takeaway
Every Saved Second Becomes a User. Every Removed Form Becomes a Conversion.
Most consumer campaigns fail not because the offer is bad, but because the path to claiming it is too long. Traditional loyalty apps lose 90% of interested customers before they ever see the value proposition, dropped off at app stores, signup forms, and email verification flows. We rebuilt the entire funnel around one principle: engagement should come before registration, not after. That shift, combined with the right tech to support it, is what turned a promotional campaign into a 10-million-user engagement platform.
Ready to work together
See How This Thinking Drives
Your Revenue
I now work directly with clients through my agency. If you're building a consumer product where growth depends on frictionless conversion, let's talk about how to build yours.