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Head-to-head · Customer Retention Software

ChurnZero vs Smile.io

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score ChurnZero #3 in Customer Retention Software 8.8/10 Pricing on request ✓ 0 of 2 features Visit ChurnZero
Smile.io #7 in Customer Retention Software 8.3/10 Free plan Free plan✓ 0 of 2 features Visit Smile.io

ChurnZero leads on 0 checks, Smile.io on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreChurnZero · 8.8/10
  • Free planonly Smile.io

ChurnZero scores higher on our rubric for customer retention software: 8.8 against 8.3 out of 10; our editors rank them #3 and #7.

ChurnZero is the better fit for mid-market and enterprise teams managing churn and renewals. Smile.io is the better fit for smaller stores starting a loyalty program.

  • ChurnZero fits best

    Mid-market and enterprise teams managing churn and renewals

  • Smile.io fits best

    Smaller stores starting a loyalty program

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Side by side

Feature ChurnZero 8.8/10 Visit ↗ Smile.io 8.3/10 Visit ↗
At a glance
Editor score 8.8 8.3
Ranking #3 in Customer Retention Software #7 in Customer Retention Software
Best for Mid-market and enterprise teams managing churn and renewals Smaller stores starting a loyalty program
Pricing model Paid Free plan + paid
Starting price Pricing on request $15/mo
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Integrations 70+ integrations 5 integrations
Features ChurnZero 0/2 · Smile.io 0/2
Churn prediction Not checked yet Not checked yet
Loyalty / rewards Not checked yet Not checked yet
Specs
Journey channels Not checked yet Not checked yet
Automation workflows Not checked yet Not checked yet
Contact limit Not checked yet Not checked yet
Retention analytics Not checked yet Not checked yet
Our review
Pros
  • Combines health scoring, churn risk signals, and renewal forecasting
  • Automates onboarding and engagement with playbooks and customer journeys
  • Offers customer collaboration through Success Centers and Success Plans
  • Free plan includes points, referrals, discounts and free shipping rewards
  • Paid tiers add loyalty pages, VIP features and embedded components
  • Supports Shopify POS, BigCommerce, APIs and headless storefronts
Cons
  • Pricing requires contacting sales
  • Its breadth may exceed the needs of teams seeking a narrow retention tool
  • Fit depends on connecting customer, product, support, revenue, and sentiment data
  • Free plan is limited to 200 monthly orders
  • Integration limits apply on Essential and Standard plans
  • Advanced capabilities such as API access are reserved for higher tiers
Our verdict

ChurnZero brings customer health monitoring, lifecycle workflows, and renewal management into a customer success platform for subscription businesses. It is aimed at customer success teams and organizations managing retention, adoption,…

Read the review →

Smile.io gives ecommerce stores tools to run points-based loyalty and referral programs, offer rewards, and organize VIP tiers. Customer-facing loyalty pages and on-site components give shoppers places to view or engage with a program. It…

Read the review →
  1. ChurnZeroCustomer Retention Software 8.8Pricing on request
  2. Smile.ioCustomer Retention Software 8.3Free plan

Strengths and trade-offs

  • ChurnZero — where it wins

    • Combines health scoring, churn risk signals, and renewal forecasting
    • Automates onboarding and engagement with playbooks and customer journeys
    • Offers customer collaboration through Success Centers and Success Plans

    Where it doesn't

    • Pricing requires contacting sales
    • Its breadth may exceed the needs of teams seeking a narrow retention tool
    • Fit depends on connecting customer, product, support, revenue, and sentiment data

  • Smile.io — where it wins

    • Free plan includes points, referrals, discounts and free shipping rewards
    • Paid tiers add loyalty pages, VIP features and embedded components
    • Supports Shopify POS, BigCommerce, APIs and headless storefronts

    Where it doesn't

    • Free plan is limited to 200 monthly orders
    • Integration limits apply on Essential and Standard plans
    • Advanced capabilities such as API access are reserved for higher tiers
  • ChurnZero8.8/10 · Pricing on request

    A customer success platform for tracking account health, automating journeys, and managing renewals.

    Visit ChurnZeroFull verdict →
  • Smile.io8.3/10 · Free plan

    A practical starting point for ecommerce loyalty, with features and integrations scaling by plan.

    Visit Smile.ioFull verdict →

More comparisons

All customer retention software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update