No network. No accounts. Just dungeons. Sleep Dungeon never makes a network request. Your hero, your loot, and your codex live entirely on your device.
Who we are
Stationify Oy (Business ID: 3608699-3, D-U-N-S: 369301281) is a software company based in Helsinki, Finland. Sleep Dungeon is published on the Apple App Store by Stationify Oy.
Our privacy principle
We believe people own their data. Sleep Dungeon follows one rule: collect nothing unless the app literally cannot function without it. Your character, dungeon runs, and codex stay on your device. We do not operate user accounts, tracking systems, or analytics platforms.
Data we collect
The short answer: as little as possible. The table below describes the categories of data Sleep Dungeon handles.
| Data type | Collected? | Details |
|---|---|---|
| Save data (hero, inventory, runs, codex) | On-device only | All progress is stored locally in JSON files inside the app sandbox. The game never makes a network request. |
| Sleep stage data | On-device only | If you grant Apple Health access, the app reads sleep duration to scale dungeon depth to how long you actually slept. Read-only, processed on device. |
| Background processing | System only | iOS schedules a single short BGTask to advance your hero's expedition during your chosen sleep window. The task runs locally — no telemetry is sent. |
| Personal information (name, email, phone) | No | We do not collect personal identifiers. No account is required. |
| Usage analytics & tracking | No | We do not use analytics SDKs, ad trackers, or third-party telemetry. |
| Advertising data | No | We do not display ads or participate in ad networks. |
| Device identifiers | No | We do not read or store IDFA, IDFV, or hardware identifiers. |
| Purchase information | Apple only | In-app purchases (Pro, kits, gold packs) are processed entirely by Apple. We do not receive or store your payment details. |
| Diagnostics & crash data | Apple only | If you opt in to share diagnostics with developers via iOS Settings, Apple may provide us with anonymised crash reports. We do not operate our own crash reporting service. |
Third-party services
Sleep Dungeon does not integrate third-party analytics, advertising, or social media SDKs. The only external services involved are:
- Apple HealthKit — for optional sleep-duration reads, governed by Apple's Privacy Policy
- Apple StoreKit — for processing in-app purchases
- iOS Background Tasks — for the overnight simulation
Data storage & security
All save data is stored locally on your device using SwiftData and JSON files with iOS file protection. You can delete all app data at any time by removing the app from your device.
Children's privacy
We do not knowingly collect any personal data from anyone, including children under 13. Because Sleep Dungeon does not collect personal data, it complies with COPPA and similar regulations by design.
Data retention
We do not retain any user data because we do not collect any. Your save lives only on your device. When you delete the app, all local data is removed with it.
Your rights
Under GDPR and other privacy regulations, you have the right to access, correct, and delete your personal data. Since we do not collect or store personal data on our servers, there is nothing for us to provide, correct, or delete. All data remains under your control on your own device.
Changes to this policy
If we update this policy, we will revise the "Last updated" date at the top of this page. If Sleep Dungeon introduces new data practices, we will update both this policy and the app's App Store privacy label before the change takes effect.
Contact
If you have questions about this privacy policy or about Sleep Dungeon, contact us at:
Stationify Oy
Helsinki, Finland
[email protected]
stationify.fi