Battery Health Estimator

Estimate your device's remaining battery life percentage based on current charge level and average daily usage hours, using local historical data.

Wellness iOS Paid subscription

Available on theApp Store soonRequest TestFlight invite

Hard paywall: Premium subscription (weekly, monthly or yearly) or a one-time Lifetime purchase unlocks the full app.

Auto-renews monthly via Apple's standard subscription system.
Cancel anytime in Settings → Apple ID → Subscriptions.
Refunds are handled by the store that took the payment, under its own policy: Apple at reportaproblem.apple.com, Google Play and the Microsoft Store through your account with them.
No third-party tracking or analytics SDKs inside the app.

Your contact list, photos, location, microphone, or camera.
Any content you enter into the app (notes, logs, data) — it stays on your device unless you explicitly sync.
Identifiers used to track you across other apps.

Full details in our privacy policy.

This app is still in private testing. To be told when it goes on sale, email [email protected] with the subject line Battery Health Estimator.