Expansion
Live in Churnkey
Moves subscribers up the commitment ladder with staged offers, an annual term paired with a forever-percent discount, at the month-3 and month-12 milestones.
24 percentage points of churn removed when the annual term and forever-percent discount combine
the comparison dataset behind both components: 50,000 subscriber pairs for the annual term, more than 100,000 for the forever-percent discount
Established by controlled experiment.
How we grade evidence →Scheduled trigger · Edition 1 · June 2026
The two strongest effects in the research dataset are structural: annual billing adds 189 days of subscriber lifetime and $146 per subscriber, and forever-percent discounts remove 11.2 percentage points of churn. Combined, they remove 24 percentage points of churn, the strongest single-effect interaction in the dataset. This tactic turns that combination into a pathway: staged offers of an annual term paired with a forever-percent discount, made at the month-3 and month-12 tenure milestones.
The staging is the design. Month 3 is the first point where a subscriber has proven the product to themselves, and early enough that most of the subscription’s risk is still ahead, which is where the commitment does its work. Month 12 is the second ask, made to a subscriber whose relationship has survived a full year, with terms that reward the tenure.
The tactic runs on each subscriber’s own relationship clock: the first offer fires when a monthly subscriber reaches month 3 in good standing, and a second window opens at month 12 for those who declined or were not yet eligible. A declined offer goes quiet until the next milestone. The month-12 ask is a fresh offer with its own terms, not a retry.
Milestones, rather than a behavioral score, are deliberate here. Three months in and a year in are legible moments to the subscriber, so the offer reads as a natural point in the relationship rather than a sales trigger. Where a readiness-scored conversion tactic also runs, collision rules keep the two from competing for the same subscriber.
Each component carries its own causal evidence. Annual billing adds an average of 189 days of subscriber lifetime and $146 per subscriber across 50,000 subscriber pairs. Forever-percent discounts remove 11.2 percentage points of churn across more than 100,000 pairs. Stacked into a single offer, the annual-plus-forever-percent structure removes 24 percentage points of churn, the strongest single-effect interaction the research program has measured.
The pairing answers the obvious selection objection, that engaged subscribers choose annual terms anyway. The research compared each committed subscriber against a statistical twin, a monthly subscriber identical on plan value, tenure, and engagement. What remains is the effect of the commitment structure itself.
In production, the tactic tracks tenure for every monthly subscriber and stages the offer at each milestone: in-app at the next active session, with one follow-up email carrying identical terms. Acceptance switches the billing term and applies the forever-percent discount in the billing provider as a single transaction.
Guardrails protect the relationship the pathway is built on: two asks per subscriber lifetime, no discount stacking, and automatic suppression whenever a Cancel Flow, Payment Recovery sequence, or another conversion offer is active for the subscriber.
Want to run Staged Annual Offers for your business? Connect the Churnkey MCP to your favorite AI agent. It reads your own usage and billing data and recommends the growth and retention plays most likely to move your LTV—starting with whether this one fits.
npm install -g @churnkey/mcpThis tactic maps to a Churnkey feature—the same play, running in production.
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The same dataset behind these tactics powers Churnkey's retention products. See what it finds in your subscription data.