Restore purchases
Open Drink Water Tracker, go to the upgrade or settings screen, and tap Restore Purchases. Use the same Apple ID that made the purchase.
App support
Log every glass of water to HealthKit with a one-tap shortcut — no account, no streak-shaming, no upsells — unlike WaterMinder, Plant Nanny, and every other hydration app stuffed with subscriptions.
Open Drink Water Tracker, go to the upgrade or settings screen, and tap Restore Purchases. Use the same Apple ID that made the purchase.
Apple manages App Store billing. Open iPhone Settings, tap your name, choose Subscriptions, then select Drink Water Tracker.
Include your device model, iOS version, app version, and the exact action you were trying to complete.