Concentric Clock
Android 8.0 and later · In development
Personalise your home screen with concentric, analogue and digital clock widgets.
Preparing for its first Google Play release.
App showcase
Choose a clock style, adjust its colours and add a widget to your home screen.
- Concentric rings, analogue faces and digital layouts
- Colour presets and customisation controls
- Resizable home-screen widgets
- Optional weather, battery, calendar and activity details
Available controls vary by face. Some options are locked or offer voluntary rewarded unlocks. Premium purchasing is not available in the current development build.
Clock-style illustrations. Colours and details are customisable in the app.
Help & Support
Start with a guide, or send a question about Concentric Clock.
For a bug report, include the face name, launcher and what you tried. Send Feedback in the app includes app and Android versions automatically.
About your message
Keep the receipt shown after sending. Your message is stored privately for support. Please leave out sensitive personal information.
Support and feedback
Find setup advice and troubleshooting, ask a question, or suggest a feature.
Privacy policy
Learn how optional permissions, advertising and support messages use data.
Read the app privacy policy
This policy covers Concentric Clock for Android, package ns.app.concentric.clock, operated by Naryab Studio. Updated 7 November 2026.
On-device settings and optional data
App settings and limited widget data are saved privately on the device. Concentric Clock can use Health Connect or device sensors for steps and heart-rate readings, and the device calendar for upcoming events, when you enable the relevant permissions. These readings support clock displays and stay on the device. Health Connect access is read-only; optional history and background permissions support older readings and periodic updates.
Optional rewarded ads
Concentric Clock includes optional rewarded ads using Google AdMob. Google’s User Messaging Platform manages applicable privacy choices. AdMob may process IP addresses, device identifiers, ad interactions and diagnostic information for advertising, measurement and fraud prevention. Health and calendar data are not added to ad requests or reward information.
Available ad privacy choices can be managed in the app’s Settings. See Google’s privacy policy. Ad rewards apply to the installation and may be lost after clearing app storage or uninstalling.
Support messages
Feedback sent from Concentric Clock includes the message, submission reference, manufacturer, model, Android version and API level, app version and language. Health readings, calendar events, location and device identifiers are not attached to support submissions.
The website support form sends your message, its type, the selected app, an optional email address you choose to provide, and a randomly generated submission reference. It does not automatically attach device specifications or contact details. Information you choose to write in your message is also stored.
Messages are stored in a private Cloudflare D1 database and used to provide support and improve the app. They remain until removed by the studio; marking a message Archived does not delete it. Rate-limit records use salted hashes rather than raw IP addresses and expire. Expired records are removed during subsequent requests. See Cloudflare’s privacy policy.
Your choices and requests
You can revoke permissions in Android Settings. Disconnecting health apps clears cached Health Connect readings. Clearing app storage or uninstalling removes local app settings and data; it does not remove messages already sent to support.
To ask about stored support messages or request removal, use Concentric Clock support and include the original submission reference if available. Do not include health records or other sensitive personal information. Browsing this site is covered by the website privacy policy.
Terms & Conditions
Information about app availability, device behaviour, support and external services.
Read the app terms
These terms cover the Concentric Clock Android app and its app-specific support. Updated 7 November 2026.
Availability and features
Concentric Clock is currently in development. Availability and features can change before its first store release. A Google Play link will be provided when the app is published. The app is provided as available.
Your device and data
You choose which optional permissions to allow. Widget appearance and update behaviour may vary with Android version, launcher and device settings. You can manage app permissions through Android Settings. Data handling is described in the Concentric Clock privacy policy.
Informational displays
Weather, health and calendar displays depend on permissions, device capabilities and external services. They are informational and are not intended for medical, emergency or safety-critical decisions.
Support and feedback
Use support for questions, bug reports and feature suggestions. Do not send abusive messages, spam, confidential third-party information or sensitive personal data. Submission limits apply to protect the service. A receipt confirms that a message was stored; it does not guarantee a response time or that a suggested feature will be implemented.
Intended use and external services
Use the app and support service for their intended functions. Do not misuse support endpoints or attempt to access the private inbox without authorisation. External services and store listings have their own terms, availability and privacy practices.
Updates and questions
These terms may be updated as the app develops. The date above identifies the current version. For questions, use Concentric Clock support. Use of this website is covered by the website terms.