Questions, feedback, or an issue? Email us — we usually reply within 1–2 business days.
birkan.kader@gmail.comOnly on your device and in your own iCloud account (Apple CloudKit). Nothing is stored on our servers and no one else can access it.
Automatically across all devices signed into the same iCloud account. If iCloud is off, the app works locally.
Settings → Privacy & Security → "Sign In with Face ID". When on, the app asks for authentication on every launch.
No. Enter the loan amount, monthly installment and term; Vulfyn calculates the implied interest rate and remaining principal.
Settings → Language → System / Türkçe / English. By default the app follows your phone's language.
Settings → "Delete all data". This action cannot be undone.
No. Vulfyn shows no ads and contains no third-party tracking or analytics.