If you subscribed on iOS (billed by Apple)
- 1
Go to https://apps.apple.com/account/subscriptions and sign in with your Apple Account.
- 2
Tap 1SE in the subscription list.
- 3
Tap Cancel Subscription and confirm.
- 4
Or, on your iPhone: Settings > [your name] > Subscriptions > 1SE > Cancel Subscription.
- • 1SE also documents an in-app route on iOS: tap the settings icon in the app, tap Manage Subscription, then tap Cancel subscription.
- • 1SE says cancelling does not refund previous payments; it only prevents renewal. For a refund on remaining subscription time it points you to Apple.
Source: help.1se.co — the provider's own documentation for these steps.