Troubleshooting You deleted your ChatGPT account but the monthly charge keeps hitting your card. Most of the time the culprit is an Apple or Google Play subscription deletion never touches. Stop the charges and get a refund.
Troubleshooting You paid via Apple in-app purchase but chatgpt.com still shows Free, or Apple and the web both charged you. The root cause is identity binding. Untangle it cleanly, step by step.
Troubleshooting You canceled Plus a few days into the billing cycle and lost access with no money back. Here is how to tell whether that is policy, an app-store issue, or a real bug — and how to claim a refund if you qualify.
Troubleshooting Plus quietly reverts to Free: GPT-5.5 disappears, the message cap returns, no email. Usually a failed renewal, a bank fraud-block, or an account mismatch. Diagnose the bucket and restore Plus the same day.
AI Use Cases Use AI to design a 3-tier subscription with a real anchor, a useful middle, and no decoy — with June 2026 conversion and annual-discount benchmarks, ARPU math, and the questions that break the model.
Troubleshooting User paid but your app still shows free, or canceled but still Pro. The server-authoritative StoreKit 2 fix, with App Store Server Notifications V2 and reconciliation.