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Privacy Policy

Last updated: March 15, 2026

What We Collect

Nothing. Deck of Pain does not collect, transmit, or store any personal data on external servers.

How Data Is Stored

All data is stored locally on your device:

  • Workout history (completed decks, reps, time, difficulty) is stored in SwiftData, an on-device database
  • Settings and preferences (difficulty, rest timer, sound/haptic toggles) are stored in UserDefaults on your device
  • In-progress workouts (deck order, current card, stats) are stored in SwiftData for pause/resume

Deck of Pain does not operate any servers, databases, or cloud infrastructure of any kind. There is no backend. Everything lives on your device.

Apple HealthKit

Deck of Pain can optionally write workout data to Apple HealthKit. This feature is off by default and requires your explicit permission through both the app settings and Apple's HealthKit authorization prompt.

When enabled, the following data is written to HealthKit:

  • Workout type (functional strength training)
  • Workout duration
  • Estimated active calories burned

This data is stored by Apple Health on your device and is governed by Apple's Privacy Policy. Lavai Labs does not read, access, collect, or transmit any HealthKit data. We do not use HealthKit data for advertising, marketing, data mining, or any purpose other than recording your workouts in the Health app.

No Account Required

Deck of Pain does not require an account, sign-in, or registration of any kind. You download it and use it. That's it.

What We Don't Collect

Deck of Pain does not collect, transmit, or store:

  • Analytics or usage data
  • Crash reports
  • Advertising identifiers
  • Location data
  • Device fingerprints
  • Any third-party SDK data
  • Tracking pixels or cookies
  • Personal health information (all health data stays on your device or in Apple Health)

There are zero third-party SDKs in Deck of Pain. No Firebase, no analytics frameworks, no ad networks. Nothing.

Data Sharing

We do not sell, rent, trade, or share your data with anyone. There is no data to share. Your workout data never leaves your device except when you explicitly choose to share results using the iOS share sheet.

Data Deletion

You are in full control of your data:

  • Delete all data in Settings removes all workout history, saved preferences, and in-progress workouts
  • Delete individual workouts from your history at any time
  • Delete the app removes everything permanently
  • HealthKit data can be managed separately in Apple's Health app

Since we don't operate servers, there is no remote data to delete.

Children

Deck of Pain does not collect any personal information and is suitable for general audiences. No account or personal data is required to use the app. We encourage parents and guardians to supervise younger children during physical exercise.

Changes to This Policy

If we make material changes to this privacy policy, we will update the effective date at the top of this page. Continued use of Deck of Pain after changes constitutes acceptance of the updated policy.

Contact

For privacy-related inquiries, contact us at deckofpain@lavailabs.com.