Privacy Policy

This is the privacy policy for Decode, an iOS application published by Atrium ("we," "us," "our"). We wrote this in plain English. We will not expand it later in a way that walks back what we promise here without notifying you in the app.

The short version

• The decoding engine runs entirely on your device.
• Your messages are never sent to our servers. We don't operate servers that receive your messages.
• We do not collect analytics, do not track you across apps or websites, and do not have an account system.
• Your relationship profiles and decoded message history live only on your device. Use the "forget" button to wipe them.
• Subscription processing is handled by Apple via StoreKit. We see only what Apple shows us — anonymous purchase events, no payment info, no email.

What information Decode handles

Messages you paste / type. Decode reads them in memory only. They are not transmitted off the device. They are stored on the device only if you save them via the relationship library — a local-only feature.

Relationship profiles. When you select or add a relationship preset (e.g. "mom (chinese)") and save it, the label and learned summary line live in a local JSON file in the app's container.

Subscription state. Whether you are currently subscribed (true / false) is stored in local UserDefaults. The subscription itself is managed by Apple. We don't see your Apple ID.

What information Decode does not handle

• No name, email, phone number, or password — there is no account.
• No location.
• No contacts.
• No advertising identifier.
• No analytics events. There is no tracker SDK in the binary.
• No crash reports sent to us. iOS may collect crash logs at the system level; we do not receive them.

Third parties

Decode integrates only with Apple frameworks bundled with iOS: StoreKit (for purchases), UIKit, SwiftUI, Foundation. We do not integrate any third-party SDK.

If a future version adds an optional cloud feature (e.g. encrypted backup), we will (a) ship it as off-by-default, (b) document precisely what is sent and to where, (c) update this page before shipping.

Children

Decode is rated for 17+ due to mature themes around interpersonal communication. We do not knowingly collect data from anyone, of any age.

Your rights

You can:

• Open Settings → "forget everything" to wipe all data Decode has stored on this device.
• Open Settings → tap any relationship's "forget" button to wipe just that profile.
• Delete the app to remove everything Decode has ever stored.

Because we don't have your data on a server, there is nothing for us to "delete" on request — uninstalling the app is the strongest possible deletion.

Changes

If we materially change this policy, we will update the "last updated" date above and surface a one-time notice inside the app on next launch.

Contact

Questions: hello@atrium.app. We typically reply within a few business days.

This policy applies to Decode v1.0.0 and later.