The Only Shopify Retention Metrics That Matter
Quick answer: The 5 retention metrics that predict revenue for Shopify stores are: repeat purchase rate, purchase frequency (and time-to-second-purchase), customer lifetime value, churn, and net revenue retention. Vanity metrics like open rate and list size tell you about campaigns — not about whether customers come back.
Open rate up 4%. List size growing. Conversion rate looking healthy. None of that tells you whether your store is actually getting better at keeping customers — and retention is where the profit lives. A store can post beautiful email metrics and still bleed revenue because nobody buys twice.
This guide covers the five retention KPIs that actually predict revenue growth for Shopify stores, what healthy looks like, and exactly where to find each number in your stack.
Why most Shopify dashboards lie to you
The metrics most store owners check daily are campaign metrics, not customer metrics. Open rate measures whether an email got seen, not whether anyone came back. Overall conversion rate blends new and returning customers into one misleading number. List size measures growth, not loyalty. These metrics can all go up while repeat revenue stays flat — which is why stores that optimize them keep needing expensive acquisition to grow.
Retention metrics answer a different question: of the customers we already paid to acquire, how many are still buying? That number is the one that compounds.
The 5 retention KPIs that matter
- Repeat purchase rate. The share of customers who've ordered more than once. For established DTC brands, 20–30% is a solid baseline; below 15% means retention is your fastest growth lever. For drop-based brands, this is the number that tells you whether your drops are building a following or just selling merchandise.
- Purchase frequency and time-to-second-purchase. Average orders per customer — and how long it takes a first-time buyer to order again. Shrinking the gap between order one and order two is the single highest-ROI retention project in ecommerce.
- Customer lifetime value (CLV). AOV × frequency × lifespan. The summary metric — see our full guide to measuring and doubling CLV for the calculation.
- Churn. For subscription and membership models, the monthly share of subscribers who cancel. It's the silent killer of recurring revenue — a 5% monthly churn means you lose over half your base every year, even with no other problems.
- Net revenue retention (NRR). Revenue from existing customers this period ÷ revenue from the same cohort last period, including upsells and contractions. NRR above 100% means your existing base grows on its own — the definition of a retention engine.
How to track them in Shopify
You can stand all five up in an afternoon:
- Shopify admin. Shopify's Customers reports include cohort analysis that shows how many customers from each month's cohort come back to buy again — repeat purchase rate, computed for you.
- Klaviyo. Its retention metrics cover CLV, purchase frequency, and repeat purchase rate with revenue attached, and it segments cleanly by customer type.
- Spreadsheet. Export orders, group by customer, and compute the five numbers monthly. It's crude but it works, and doing it by hand forces you to understand the numbers.
Watch out for one trap: guest checkout and gift orders fragment a single customer into multiple profiles, which makes repeat purchase rate look lower than it is. Resolving those identities — the core of what Retinue's buyer graph does — gives you the real number before you optimize the wrong one.
What good looks like — and what to do when it moves
Repeat purchase rate 20–30% for established DTC. Time-to-second-purchase under 90 days for most categories. CLV:CAC at 3:1 or higher. Monthly churn under 3% for subscription models. NRR above 100%.
When a number moves, don't guess at the cause. A rising time-to-second-purchase points at your post-purchase flow — fix it with education content, replenishment reminders, or an early-access offer for the next drop. A rising churn rate points at the membership experience itself. And when repeat purchase rate rises, expect recovery flows and SMS win-backs to convert harder — loyal cohorts respond to high-intent messaging. If you're adding a subscription or membership layer, track churn and NRR for it separately from the store's overall retention.
FAQ
What is a good repeat purchase rate for a Shopify store?
20–30% is a solid baseline for established DTC brands, with top performers above 35%. Under 15% means retention is your fastest lever.
Is open rate a retention metric?
No. Open rate measures campaign reach, not whether customers return. High opens with flat repeat purchases means engagement without revenue.
How do I track CLV and repeat purchase rate in Shopify?
Use Shopify's Customers reports (cohort analysis included), enrich with Klaviyo for CLV and frequency, and rebuild monthly.
Key takeaways
- Track 5 KPIs: repeat purchase rate, purchase frequency, CLV, churn, and net revenue retention — ignore open rates and list size for strategy.
- Shopify's Customers reports give you cohort-based repeat purchase data; Klaviyo adds CLV and frequency.
- Under 15% repeat purchase rate is the clearest signal that retention — not more ads — is your fastest growth lever.