Privacy Policy
Effective date: April 8, 2026 | Last updated: April 8, 2026
Nail Try On - AI Nail Art ("Nail Try On", "the App", "we", "us", or "our") is developed and operated by Cuneyt Emir. We are committed to protecting your privacy and being transparent about how we handle your information. This Privacy Policy describes what data we collect, why we collect it, how it is processed, and your rights regarding your personal data.
By downloading, installing, or using Nail Try On, you acknowledge that you have read and understood this Privacy Policy.
1. Information We Collect
1.1 Device Information
When you first open the App, we generate and store the following:
- Device Identifier (identifierForVendor): A unique identifier assigned by Apple to your device for our app. This ID is not your Apple ID, UDID, or advertising identifier. It is used solely to identify your device within our system for usage tracking and credit management. This identifier resets if you uninstall and reinstall the app.
- App Identifier: The internal identifier of the specific application you are using (e.g., "tirnak-ai"). This allows our shared backend to distinguish between different apps.
1.2 Photos and Images You Provide
The core functionality of Nail Try On requires you to upload photographs of your hands/nails. Here is exactly what happens to your photos:
Photo Processing Lifecycle: - You select or capture a photo on your device.
- The photo is converted to JPEG format (85% quality) and encoded as base64 data.
- The encoded photo is transmitted over HTTPS to our secure server.
- Our server temporarily stores the photo to generate a URL that our AI provider can access.
- The photo URL is sent to our AI processing partner (Kie AI) for nail art generation.
- Once AI processing is complete, the temporary photo file on our server is automatically deleted.
- The generated result image is downloaded to your device and stored locally in your app's private storage (SwiftData).
We do not permanently store your original photos on our servers. Temporary files are deleted immediately after processing. We do not use your photos for training AI models, marketing, analytics, or any purpose other than fulfilling your specific generation request.
1.3 Generated Images
AI-generated nail art images (both watermarked and clean versions) are:
- Temporarily stored on our server for download (automatically deleted within 1 hour).
- Downloaded and permanently stored locally on your device within the App's private storage.
- Not accessible to us after you download them.
1.4 Usage Data
We store the following usage information on our server:
- Number of remaining photo generation credits
- Premium subscription status (active/inactive) and expiration date
- Job history: job ID, status (pending/processing/done/failed), style selected, timestamps
- We do NOT store the actual image content in job records — only metadata
1.5 Purchase Information
All in-app purchases and subscriptions are processed entirely by Apple through the App Store. We use RevenueCat as a subscription management platform. Through RevenueCat, we receive:
- Subscription status (active, expired, cancelled)
- Product identifier purchased
- Transaction timestamps
We never receive, process, or store your payment card details, Apple ID credentials, or billing address.
1.6 Push Notification Tokens
If you grant notification permission, we store your OneSignal player ID to send you notifications when your AI generation is complete. You can revoke notification permission at any time in your device Settings.
1.7 Information We Do NOT Collect
- Your name, email address, or phone number
- Your location data (GPS, IP-based geolocation)
- Your contacts, calendar, or other personal data
- Device advertising identifier (IDFA)
- Browsing history or data from other apps
- Biometric data (Face ID/Touch ID is handled by iOS, not our app)
2. How We Use Your Information
| Data | Purpose | Legal Basis |
|---|
| Device ID | Identify your device, manage credits | Legitimate interest |
| Uploaded photos | AI nail art generation (temporary) | Contract performance |
| Usage data | Credit tracking, job history | Contract performance |
| Purchase data | Subscription management | Contract performance |
| Push token | Notify when generation completes | Consent |
3. Third-Party Services
We use the following third-party services to operate the App. Each service receives only the minimum data necessary for its function:
3.1 Kie AI (Image Processing)
- What they receive: Temporary URLs of your uploaded photos and text prompts describing the desired nail art style.
- Purpose: AI image generation and editing.
- Data retention: Kie AI's temporary file storage automatically deletes files after 3 days.
- Privacy policy: https://kie.ai/privacy
3.2 RevenueCat (Subscription Management)
- What they receive: Anonymous app user ID (your device ID), subscription events from Apple.
- Purpose: Track subscription status, process renewals and cancellations.
- Privacy policy: https://www.revenuecat.com/privacy
3.3 OneSignal (Push Notifications)
3.4 Apple App Store
We do not use any advertising SDKs, analytics trackers, or data brokers. We do not sell, rent, or share your data with any other third parties.
4. Data Storage and Security
4.1 Where Your Data Is Stored
- On your device: Generated images, input photos, and job history are stored in the App's private SwiftData database. This data is sandboxed by iOS and inaccessible to other apps.
- On our server: Device ID, credit balance, subscription status, and job metadata are stored in a PostgreSQL database hosted on our secure VPS in Europe.
- Temporary files: Uploaded photos are stored temporarily on our server during processing and deleted immediately after. Generated images are stored temporarily for download and deleted within 1 hour.
4.2 Security Measures
- All data transmission uses HTTPS/TLS encryption.
- Our server is protected behind Cloudflare with DDoS protection.
- API endpoints require device authentication headers (X-App-ID, X-Device-ID).
- Rate limiting prevents abuse (5 generation requests per minute, 60 general requests per minute per device).
- Database access is restricted to the application server only.
- Photos are never logged, cached in CDN, or stored in any intermediary.
5. Data Retention
| Data Type | Retention Period |
|---|
| Uploaded photos (server) | Deleted immediately after processing (within minutes) |
| Generated images (server) | Deleted within 1 hour |
| Generated images (device) | Until you delete the app |
| Device ID and credits | 90 days after last activity, then auto-deleted |
| Job metadata | 90 days after last activity |
| Push notification token | Until you disable notifications or uninstall |
6. Your Rights
Depending on your jurisdiction (including GDPR for EU/EEA residents and CCPA for California residents), you may have the following rights:
- Right to access: Request a copy of data we hold about your device.
- Right to deletion: Request deletion of your data. You can do this by uninstalling the App (removes all local data) and contacting us to remove server-side data.
- Right to restriction: Request that we stop processing your data.
- Right to portability: Request your data in a machine-readable format.
- Right to object: Object to processing based on legitimate interests.
- Right to withdraw consent: Withdraw notification consent at any time via device Settings.
To exercise any of these rights, contact us at [email protected]. We will respond within 30 days.
7. Children's Privacy
Nail Try On is not directed at children under the age of 13 (or 16 in the EU/EEA). We do not knowingly collect personal information from children. If you believe a child has provided us with data, please contact us and we will delete it promptly.
8. International Data Transfers
Our server is located in Europe. If you use the App from outside Europe, your data (device ID, temporary photo uploads) will be transferred to our European server. AI processing through Kie AI may involve servers in other regions. All transfers are protected by HTTPS encryption.
9. Changes to This Policy
We may update this Privacy Policy from time to time. If we make significant changes, we will notify you through the App or by updating the "Last updated" date at the top of this page. Your continued use of the App after changes constitutes acceptance of the updated policy.
10. Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us: