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Generates the complete win-back offer flow for churned subscribers — StoreKit Message API handling, eligibility verification, offer sheet presentation, and analytics.
Passed 19 of 22 test cases with the skill, and 10 of 22 without it.
and 9 more in the full report
10 fixed10 passed either way3 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
Which SwiftUI view modifier should be attached to the root App scene to receive StoreKit messages sent by the App Store?
| Checked | Without skill | With skill |
|---|---|---|
| Specify applying the storeMessagesTask view modifier. | Missed | Passed |
The instructions your model reads when the skill loads.
Generate a complete win-back flow for recovering churned subscribers using StoreKit 2's win-back offer APIs (iOS 18+), Message API handling, and fallback promotional offers for older OS versions.
Use this skill when the user:
Win-back offers involve meaningful engineering and ASC configuration. Check these thresholds before proceeding:
| Churned Subscribers | Recommendation |
|---|---|
| Under 50 | Not worth the setup effort. Use personal email outreach instead — write individual messages to churned users. Focus energy on preventing churn (improve onboarding, engagement). |
| 50-500 | Implement basic win-back via promotional offers (simpler than full win-back flow). Use offer codes distributed via email. |
| 500+ | Full win-back implementation justified. Native iOS 18+ win-back offers, Message API handling, automated pipeline. |
If you don't know your churn numbers: Check App Store Connect > Subscriptions > Retention metrics. If your total subscriber base is under 200, you likely don't have enough churn volume to justify this skill yet.
subscription-offers skill was already usedGlob: **/*WinBack*.swift, **/*Reengag*.swift
Grep: "winBackOffers" or "Message.messages" or "presentWinBackOffer"
test cases passed, vs 10 / 22 without
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