Thread Circle by BPZone
Privacy Policy
Effective and last updated: June 18, 2026
Thread Circle processes your selected photos entirely on your device. Thread Circle does not upload photos or generated artwork to BPZone, Google, or an app server. Version 2.0 uses Google services for advertising, consent management, analytics, diagnostics, and crash reporting.
1. Scope and Current App Version
This Privacy Policy applies to the iOS application Thread Circle by BPZone, also displayed on your device as Thread Circle. The app is developed and published by BPZone. It describes the data practices of Thread Circle version 2.0 and later unless a newer policy is posted.
2. Photos and On-Device Processing
Thread Circle lets you choose a photo to create a circular string art pattern. The selected image, crop settings, generated design, numbered pin sequence, and preview are processed locally on your iPhone or iPad. Thread Circle does not upload them to BPZone, Google, or an app server.
Photo access is used only to let you select the image you want to process. Thread Circle does not scan, copy, or upload your photo library. No account or registration is required.
3. Data Collected by Service Providers
Thread Circle includes Google Mobile Ads, Google's User Messaging Platform, Firebase Analytics, and Firebase Crashlytics. Depending on your device, region, consent choices, ad availability, and Google configuration, these providers may collect the following categories. This list is aligned with the app's Apple App Store privacy disclosures:
| Data category | Examples | Typical purpose | Association |
|---|---|---|---|
| Coarse Location | Approximate location inferred from an IP address | Advertising and analytics | May be linked to a device |
| Device ID | Advertising or other device-level identifiers where permitted | Advertising, ad measurement, and analytics | May be linked and used for tracking where permitted |
| Product Interaction | App launches, feature use, taps, and ad interactions | Advertising, analytics, and service improvement | May be linked to a device |
| Advertising Data | Ads shown, impressions, clicks, and rewarded-ad activity | Third-party advertising, ad delivery, and measurement | May be linked to a device |
| Crash Data | Crash logs and crash-related technical details | App functionality, reliability, and analytics | Not linked to your identity by BPZone |
| Performance Data | Launch, responsiveness, and technical performance information | Diagnostics, advertising services, and analytics | Not linked to your identity by BPZone |
| Other Diagnostic Data | Device, app, network, consent, and error diagnostics | App functionality, advertising, and analytics | Not linked to your identity by BPZone |
Thread Circle does not request your name, email address, phone number, physical address, contacts, precise GPS location, health data, financial information, purchase history, browsing history, search history, or sensitive personal information.
4. How This Data Is Used
- To display and measure banner and rewarded advertisements.
- To determine whether advertising consent or privacy options are required.
- To understand app reliability and general feature usage.
- To diagnose crashes, errors, and performance problems.
- To prevent abuse and maintain the security of Google services.
BPZone does not sell your selected photos, generated artwork, or exports. Third-party advertising providers process advertising data according to their own terms and privacy policies.
5. Advertising, Consent, and Privacy Choices
Version 2.0 may display banner advertisements on the Settings, generation progress, and result screens. Creating a PDF export requires the user to choose to watch and complete a rewarded advertisement. PNG export and the app's core pattern-generation features do not require a rewarded ad.
Where required, Google's User Messaging Platform displays a consent message before ads are requested. Ads may be personalized or non-personalized depending on applicable law, your consent choices, device settings, and ad availability.
A Privacy Choices option appears in the app's Settings page when Google indicates that privacy options are required for the user. You can use it to review or update applicable advertising consent choices. You may also limit ad tracking through iOS privacy settings.
6. Generated Files and Sharing
PNG and PDF exports, including the 40 × 40 cm printable pin template, are created locally and temporarily on your device. Thread Circle does not automatically upload these files.
If you choose to save or share an export using the iOS share sheet, the file is provided to the destination or third-party service you select. Apple or that service may process the file under its own privacy policy. BPZone does not control those external services.
7. Data Retention
BPZone has no server-side copy of your photos, patterns, or exports and therefore does not retain them. The app does not save projects between sessions. Temporary export files are managed locally by iOS, and files saved or shared by you remain wherever you choose to place them. Analytics, diagnostic, consent, and advertising data may be retained by Google according to its policies, legal obligations, and the applicable service settings.
8. Third-Party Services
The app integrates Google Firebase Analytics, Firebase Crashlytics, Google Mobile Ads, and Google's User Messaging Platform. These services may transmit the data described above to Google. Their processing is governed by Google's privacy practices: https://policies.google.com/privacy .
You can also review Google's explanation of how it uses information from apps and sites that use its services: https://policies.google.com/technologies/partner-sites . Standard Apple features, including the photo picker and share sheet, are governed by Apple's terms and privacy practices.
9. Your Choices and Privacy Rights
Depending on where you live, you may have rights to request access, deletion, correction, restriction, or information about certain personal data. Because BPZone does not receive or retain your photos, projects, or account information, BPZone cannot retrieve those items from a server. Files saved by you can be deleted from their saved location on your device or chosen storage service.
For data controlled by Google, requests may need to be directed to Google using the controls and contact methods in Google's privacy policy. You may also withdraw or update eligible advertising consent through the in-app Privacy Choices option when it is available.
10. Children's Privacy
The app is not directed to children under 13. BPZone does not knowingly collect children's photos or artwork. If you believe a child has provided personal information through a third-party service used by the app, please contact BPZone.
11. Security
Keeping photo processing on the device reduces exposure to network and server risks. However, no device or storage method can be guaranteed to be completely secure. You are responsible for the destinations and services you choose when saving or sharing generated files.
12. Changes to This Policy
This policy may be updated if the app's features, service providers, or data practices change. The latest version will be published on the BPZone website with a revised effective date.
13. Contact
For privacy questions or requests, contact BPZone through the website: https://bpzone.info/