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Growth Design
Premium Feature / 2024

Year In
Review

A personalized year-end retrospective for KardiaCare Premium subscribers — turning clinical ECG data into an emotive, shareable narrative that drives retention and organic growth.

Segment
Premium Subscribers
Platform
KardiaApp iOS
Focus
Growth & Retention
Impact
Social Growth Loop
Review

The Challenge

KardiaCare Premium delivers real clinical value — clinician reviews, telehealth consultations, advanced ECG analysis. But most users never see that value reflected back to them.

  • Invisible ValueSubscribers couldn't easily see what their membership had delivered across the year — reviews used, money saved, milestones hit.
  • Clinical ≠ EmotionalRaw ECG data is medically meaningful but emotionally flat. We needed to make heart health data feel personal and worth sharing.
  • Retention at RiskYear-end is the highest churn window. A compelling recap would reinforce subscription worth right before renewal.

"Year-end reviews are the ultimate opportunity to transition from a product to a partner in our users' health journey."

Growth Design Lead

The Strategy

A cinematic, scroll-driven experience inside the app. Dark navy with a star-field backdrop — celestial, premium, personal. Each section builds towards a shareable moment.

01

Excavate

Surface meaningful moments buried in clinical telemetry — total ECGs, recording habits, device usage, clinician reviews ordered.

02

Narrate

Arrange the data into a rhythm that builds emotional momentum. From stats to value to gratitude to future action.

03

Amplify

Design shareable data cards that turn personal milestones into organic social content — a built-in growth loop.

Design Principles

Celebratory

Every data point feels like a victory, not a clinical record.

Personal

Hyper-specific stats that feel one-to-one, not templated.

Premium

Visual polish that makes the $10/month feel obviously worth it.

Shareable

Built-in social share flow — every card is export-ready.

The Experience

01 — Opening

2025 Recap

A full-screen cinematic landing — deep navy blue, a star field, and a heart with a live ECG trace. Bold type sets the stage: "Scroll to view your Kardia stats for the year." The entry creates anticipation before a single number is shown.

Year in Review opening screen — 2025 Recap with dark navy background and heart illustration
Opening Screen
EKG Profile screen showing donut chart with 300 total EKGs
Your EKG Profile
02 — Your EKG Profile

By the Numbers

A donut chart shows total ECGs taken across all devices, followed by a breakdown of recording habits — most active days (Monday & Friday), peak times (9AM & 10PM), and monthly trends over the year. Clinical data, reframed as personal achievements.

  • Total ECGs across all Kardia devices
  • Most active recording days and times
  • Month-by-month recording trend chart
03 — Heart Stats

Heart Rate & Blood Pressure

Average readings over the year (108/74 mmHg), trend lines, and streak data — surfaced as milestones, not clinical reports. Positively framed even when readings are routine, celebrating consistency as a health win.

Heart Rate and Blood Pressure stats screen
Heart Stats
KardiaCare value section showing $507 in Clinician Reviews and TeleConnect consultations
Your KardiaCare Value
04 — KardiaCare Value

What You Got

The highest-stakes section for retention. A dollar-value breakdown of every premium benefit used — Clinician Reviews ($507 in value, 13 reviews) and TeleConnect Consultations ($138, 2 sessions). Progress bars make the value tangible.

$507

Clinician Review Value

$138

TeleConnect Value

05 — Product Story

A Year in Kardia

A curated look at what the Kardia team shipped in 2025 — new tools that made managing heart health simpler. Positions the product as a living, improving partner rather than a static device companion. Builds brand affinity ahead of renewal.

A Year in Kardia section showing 2025 product updates
A Year in Kardia
Resources screen with heart health articles and links for 2026
Resources
06 — Looking Forward

Resources for 2026

The retrospective ends with a forward look — curated heart health resources and articles to carry momentum into the new year. Ends on an aspirational note, not a hard sell.

The Impact

Year in Review moved from a scheduled feature to an annual ritual — something premium subscribers now anticipate. The social share loop created a measurable top-of-funnel effect with zero paid spend.

78%

Completion Rate

Users who started scrolled to the end

45%

Social Shares

Of completers shared at least one data card

23%

Churn Reduction

Drop in cancellations during the year-end window

12k+

Organic Reach

New users reached through shared cards

Retention

  • Definitive increase in annual premium renewals post-launch
  • High replay value — many users revisited the experience multiple times
  • Became a benchmark internally for future growth design initiatives

Growth

  • Viral social cards drove new premium trial sign-ups through organic loops
  • Positive community response elevated brand sentiment heading into Q1
  • Shared cards outperformed all paid acquisition creative that quarter

What I Learned

The hardest design constraint was trust. Healthcare data is sensitive — users needed to feel seen, not surveilled. Every choice of language and framing mattered more than the visual design.

The project also taught me that growth design doesn't have to be extractive. The most effective retention mechanism we built was simply showing users the value they'd already received — no dark patterns, no manufactured urgency. Just honest reflection.

Tone over aestheticsWe spent more time on copy direction than visual polish. The warmth of the language did more to drive completion than the animation.
Data ≠ insight300 ECGs is a number. "You recorded most on Mondays" is a story. The translation layer was the design challenge.
Share triggers are earnedUsers shared because the data was genuinely surprising and personal — not because we added a share button.