Live Activity for streams
See when a fave is live or coming up from the Lock Screen and Dynamic Island before opening the app.
notaps: Oshi
Make supporting your faves smarter.
Bring events, news, merchandise, and anniversaries for the artists you support into a single app. Apple Watch support included. Make fan-activity more fun and more convenient.
The feature from the video
Turn a photo into a moving acrylic stand.
From a single photo, create an acrylic stand / keychain / can badge that glints and sways as you tilt it. Save it as a video or image and share it. Free to start.
Get the app & make yoursLatest Update
Live streams, event prep, and daily fan briefing are getting sharper.
The latest build adds Live Activity support for streams, on-device AI event extraction, a home briefing for fan activity, and a production fix for stream-follow registration.
Event extraction from flyers
Extract dates and venues from event announcement images to reduce manual calendar entry. Supported devices use on-device Foundation Models.
Home briefing
News, events, streams, and anniversaries are summarized into a daily fan-activity briefing on the home screen.
More reliable stream follows
A production issue that blocked stream-follow registration was fixed, improving the path to stream widgets and notifications.
App Screens
Swipe through the real screens
All your faves, in one place
Manage multiple genres together
Never miss a fan moment
Events and release dates on a unified calendar
Track every milestone since day one
Count down to every anniversary
Your personal pilgrimage map
Pin the places that matter
From songs to merch — covered
Discography lives inside the app
Trip prep, like magic
One tap to the booking screen
Features
🎤
All your faves, organized
Artists, voice actors, actors, athletes — no matter the genre, manage all your faves together. Events, news, and social links on a single screen.
📅
Never miss an anniversary
Birthdays, debut days, the day you started supporting them. Register the dates that matter and let the app count down automatically.
🛍️
Merch & ticket info
Automatically pull in new CD, DVD, and book releases plus ticket sale dates. Never miss the item you wanted.
📰
Latest news
Automatic news collection about the artists you support. Even on a busy day, just open the app to catch up.
🏆
Badge collection
Record the milestones of your fan journey as badges. The more you collect, the more rewarding the journey becomes.
🎨
Theme customization
Customize the entire app in your favorite's signature color. Build a fan space that is uniquely yours.
Pricing
✨
Free Plan
¥0
- ✅ Register up to 3 faves
- ✅ Browse events and news
- ✅ Anniversary tracking
- ✅ Merchandise search
- ✅ Theme customization
- ✅ Badge collection
Recommended
👑
Premium Plan
¥300/month
- ✅ Register up to 10 faves
- ✅ All Free Plan features
- ✅ Cancel anytime
* The subscription is billed to your Apple ID account upon purchase confirmation. It renews automatically unless canceled at least 24 hours before the end of the current period. You can manage and cancel your subscription from your account settings.
Privacy Policy
Last updated: February 14, 2026
Particles and Waves ("we", "us") respects the privacy of users of notaps: Oshi ("the App") and is committed to protecting personal information.
1. Information We Collect
The App stores the following information locally on your device:
- Information about the artists you register (artists, talents, etc.)
- Notes and custom images you set
- App settings (theme, language, etc.)
- Images added to your photo album
All of this information is stored only on your device and is never transmitted to our servers.
2. Third-Party Services
The App uses the following external APIs to display content:
- Wikidata API (for artist information)
- Rakuten Ichiba API and Yahoo! Shopping API (for related merchandise search)
- Various ticket-sales-site APIs (for event information)
- News APIs (for related news)
Requests to these APIs do not contain any of your personal information. Only the search keywords (e.g., the name of an artist) are transmitted.
3. Analytics
The App uses Firebase Analytics to help us improve the service. The data collected is anonymized and does not identify individuals.
4. Affiliate Links
Some links in the App participate in affiliate programs. If you purchase a product through one of these links, we may receive a referral fee. This does not result in any additional cost to you.
Participating services: Rakuten Ichiba, Yahoo! Shopping, A8.net, and others.
5. Subscription Information
The App offers an auto-renewing subscription through the App Store. Payment information (such as credit card numbers) is managed by Apple — we have no access to it.
6. Data Storage and Deletion
All App data is stored on your device. Deleting the App will remove all stored data. You can also delete individual items (registered faves, photos, etc.) from within the App.
7. Children's Privacy
The App is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13.
8. Changes to This Policy
This Privacy Policy may be updated as needed. We will announce significant changes within the App.
9. Contact
For privacy-related questions or concerns, please contact us at:
Particles and Waves
Web: https://particlesandwaves.org
Email: support@particlesandwaves.org
Terms of Use
Last updated: February 14, 2026
These Terms of Use ("Terms") govern your use of notaps: Oshi ("the App") provided by Particles and Waves ("we", "us"). By using the App, you agree to be bound by these Terms.
1. Service Overview
The App aggregates information about the artists, talents, and others you support ("faves") and supports your fan-activity.
2. Conditions of Use
- The App may be used only for personal, non-commercial purposes.
- You may not use the App for any unlawful purpose.
- You may not engage in any activity that interferes with the normal operation of the App.
3. Subscription
- The App offers a Free Plan (up to 3 registered faves) and a Premium Plan (up to 10 registered faves, ¥300 per month).
- The Premium Plan is an auto-renewing subscription. It is billed to your Apple ID account upon purchase confirmation.
- The subscription renews automatically unless canceled at least 24 hours before the end of the current period.
- You can manage and cancel your subscription from your Apple ID account settings after purchase.
- Subscriptions cannot be canceled within an active period.
4. About Content
- Information displayed in the App (events, news, merchandise, etc.) is sourced from external services, and we do not guarantee its accuracy, completeness, or timeliness.
- We assume no responsibility for the content of external linked sites.
- Rights to content uploaded by users (images, text, etc.) belong to the user.
5. Intellectual Property
Intellectual property rights to the App's design, logos, source code, and the like belong to us. You may not reproduce, modify, or distribute these without our prior written permission.
6. About Affiliates
Some links in the App participate in affiliate programs, and we may receive a referral fee if you purchase a product through them. This does not result in any additional cost to you.
7. Disclaimer
- We assume no liability for any damages arising from the use of the App.
- We do not guarantee continuous availability of the App and may change, suspend, or terminate the service without notice.
- Some features may become unavailable due to changes in external API specifications.
8. Changes to Terms
We may modify these Terms as needed. The modified Terms take effect when displayed within the App.
9. Governing Law and Jurisdiction
These Terms are governed by the laws of Japan, and the Tokyo District Court shall be the exclusive court of first instance for any disputes related to these Terms.
10. Contact
For questions regarding these Terms, please contact us at:
Particles and Waves
Web: https://particlesandwaves.org
Email: support@particlesandwaves.org
Contact
If you have any questions, please feel free to reach out.
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