SlotGauge (developer: Greg Fullwood) stores very little about you, and you can have all of it removed.
Email greg.fullwood@gmail.com with the subject Delete my SlotGauge account from the Google address you signed in with. That address is how we match the request to your account; no other details are needed. You will get a confirmation reply when it is done, normally within 7 days.
Everything tied to your account: your Google account ID, display name and email as stored by SlotGauge; every saved catch, including photos and the identification results; your Pro subscription record (the Stripe subscription is cancelled at the same time); and your photo-ID usage counters. Deletion is permanent.
Nothing that identifies you. Stripe keeps invoice records for the period required by tax law, under Stripe's own retention policy. Anonymized, aggregated catch statistics (species, date, tide stage, moon phase, weather — never your name, photos or exact location) are not linked to any account and are retained. Standard hosting request logs age out within 30 days.
In the app, open My catches from the account menu, select any catches and choose Delete; photos and records are removed immediately. Signing out does not delete anything. Cancelling Pro (account menu → Manage subscription) keeps your account and catches.
See also the privacy policy.