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Docs  /  Performance & ROI

A/B Tests

Run A/B tests on subject lines, sequences, and offers — what to test, how to size the test, and how to call the result.

Churn Buster enables A/B testing to optimize recovery processes. Testing is available to Pro-tier users.

A single variable should be isolated to test, and customer feedback should guide your testing decisions. Use natural variance to decide how much data you need before drawing conclusions.

High-probability tests

  • Comparing different landing pages for conversion rates
  • Extending recovery windows (e.g., 60-day vs. 30-day campaigns)
  • Incorporating Last Chance Offers

Variable-success tests

  • Heavily branded messaging versus simplified alternatives
  • Sender display name modifications
  • New subject lines versus defaults
  • Custom HTML templates versus defaults

Process and timeline

The Churn Buster team manages setup, monitoring, and conclusion of tests. Tests typically require 8–12 weeks, though some extend to 6 months. We can provide tracking mechanisms during active tests.