I recently turned on Face ID for SoulFrame Journal on my iPhone. Unlocking with a glance felt surprisingly gentle—less like “security theatre” and more like a small ritual: this space is yours, and only yours. What struck me afterwards is how little of that magic is something we had to “invent” in the app: Apple built Face ID and Touch ID into the ecosystem. We integrate with what iOS already provides—secure, system-level authentication—not a homemade face scanner running inside SoulFrame Journal.
Why it feels so seamless on iPhone and iPad
Apple doesn’t hand your face or fingerprint to every app as a photo. Biometric unlock is tied to the operating system and hardware like the Secure Enclave: the app asks iOS to confirm you, and iOS says yes or no. That’s the payoff of building on Apple’s platform—you get a calm, familiar prompt users already trust, because it’s the same stack that locks the rest of their device.
On supported devices you’ll see Face ID; on older or SE-style models you’ll see Touch ID instead. Either way, the idea is the same: quick access for you, a higher bar for anyone else who picks up your phone. You can still use your passcode if biometrics fail or you prefer not to use them.
Android: where we are today
We want to be clear: SoulFrame Journal does not yet offer in-app biometric lock on Android. If you’re on Android today, your journal is still protected by your account sign-in, encryption, and your phone’s own screen lock—but you won’t see an app-level Face ID–style gate inside SoulFrame Journal until we ship that feature.
How Android will work when we do (platform, not magic)
When we add it, we’ll be standing on Google’s platform the same way we stand on Apple’s—not reinventing biometrics from scratch. Android doesn’t use the marketing name “Face ID.” Phones use fingerprint (often on the back, side, or under the display), and on some devices face unlock; behaviour varies by manufacturer. What stays consistent for developers is the recommended pattern: the BiometricPrompt API (Android Jetpack) shows a system dialog, and the OS can use a strong biometric, a supported fingerprint or face method, or fall back to your PIN, pattern, or password—similar in spirit to passcode fallback on iOS. Apps plug into what the device already enrolled; they don’t run their own parallel face database.
Why this matters for journaling
A journal is intimate. Biometrics aren’t about paranoia; they’re about friction that matches the moment—fast for you, slower for strangers. On iPhone, that experience is here today thanks to Apple’s ecosystem. On Android, we’re not there yet in the app, but the path is the same idea: lean on the OS, stay transparent, and respect what people carry.
If you want more detail on how we think about protection and access, our security page is a good next stop. On iPhone, Face ID or Touch ID plus your passcode; on Android, your screen lock and our upcoming work—your journal deserves a door that feels as thoughtful as the room inside.