Retain and bring buyers back
Email, WhatsApp, and loyalty that turn one order into many.
4 steps to get you moving, each with a resource worth your time and more waiting underneath
Think of this as a friendly starting line, not the last word. Each step gives you the gist, then a resource worth your time from founders who've been there. There's always more underneath, more questions and more resources, whenever you feel like digging in.
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1
Email & retention marketing
The profit is in the second order.
Should I use Klaviyo, WebEngage, MoEngage, or something else for email and retention marketing?The gist If you're on Shopify and email/SMS is 80% of your retention game, start with Klaviyo, it has the deepest e-commerce integration and the ecosystem (agencies, templates, benchmarks) is built around it, though pricing climbs fast past ~50k contacts. If you need one stack across email, SMS, WhatsApp, push and in-app messaging, especially once you have an app, WebEngage and MoEngage (both built in India, both used by Indian D2C majors and unicorns) are the stronger full-funnel bet and usually cheaper at scale on Indian contact volumes. Don't buy a ₹15k/month platform on day one; run 90 days on Klaviyo's free tier or even Mailchimp before you know what you actually need.
Ecommerce Email Marketing Benchmark Report klaviyo.com The industry-standard yardstick for 'is my email program actually good', built from over 180,000 real Klaviyo accounts, so you're benchmarking against real e-commerce data instead of a marketer's blog opinion. -
2
Community, referrals & loyalty
Turn buyers into a flywheel.
How do I build a referral program that people actually use, not one that just sits unused in my Shopify admin?The gist Most referral programs die because the ask is vague and the reward is boring - "refer a friend, get 10% off" doesn't beat a WhatsApp forward from a friend who already vouches for you for free. Give both sides something concrete and immediate (say ₹200 off for the referrer and the referred, not a buried coupon code), and trigger the ask right after a delight moment - unboxing, a five-star review, a repeat order - not at checkout. Tools like Social Snowball or Nector handle the mechanics on Shopify in an afternoon; the program design - timing, reward size, who you actually ask - is the real work.
How to Build the Best Referral Program in 2025 blog.smile.io Smile.io runs referral programs for thousands of DTC stores, so this is a strategy guide grounded in what actually drives referral behaviour, not just a feature list. Good starting frame for reward structure and timing before you pick a tool. -
3
Cohorts, LTV & repeat rate
The metrics that decide if you have a brand.
What is cohort analysis, and why does it matter more than a single repeat-rate number?The gist Cohort analysis groups customers by when they first bought and tracks how each group behaves over time - so instead of one blended '35% repeat rate,' you see that your January cohort retained 42% at month 3 while April retained only 28%. That gap is the actual signal: it tells you a creative, offer or supply-chain change hurt retention, which a single average number will always hide. Build the table by acquisition month and months-since-first-order before you trust any repeat-rate headline.
Cohort Analysis for Ecommerce: Build and Read Tables getfairview.com The clearest plain-English walkthrough of what a cohort table actually is and how to read one - rows, columns, cells - before you touch a tool or a spreadsheet formula. -
4
WhatsApp, SMS & messaging
The channels Indians actually open.
Should I use WATI, Interakt, AiSensy or Gupshup for WhatsApp marketing?The gist Interakt is the easiest starting point if you're on Shopify, clean interface, direct catalog sync, pricing from around Rs 999/month. WATI suits brands that want a fuller CRM plus chatbot layered on top and can pay more for it, AiSensy is the popular Indian pick with strong Hindi support and a genuinely free forever tier to start on. Gupshup is the most technical and most flexible, better suited to higher-volume senders with a developer on hand than a solo founder setting up their first broadcast.
WhatsApp Business API Agency Guide: Wati vs AiSensy Neogen Media A direct, practical head-to-head on the two tools founders ask about most, useful as the tie-breaker once you've narrowed your choice down to these two.
