String Cup

Content rating
Everyone
5+
Downloads
Content rating
Everyone
Users Interact, In-App Purchases
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About this app

String Cup is a private group chat made just for your family β€” from grandparents to grade-schoolers.

No phone numbers. No email addresses. No strangers. Your family gets a private code, each member picks a profile and a simple PIN, and that's it β€” everyone's connected on your family's own private line.

WHY FAMILIES LOVE STRING CUP

🏠 One cozy family chat β€” everyone in one place, from Grandma to the kids πŸ’¬ Private 1-on-1 messages β€” kids can message Mom directly πŸ“· Share photos and videos β€” capture the moment and send it to the people who care most πŸ”” Gentle notifications β€” know when family reaches out ⏳ Messages fade after 48 hours β€” conversations stay fresh, not overwhelming πŸ‘¨β€πŸ‘©β€πŸ‘§ Parents stay in the loop β€” a full family archive lets parents see chat history πŸ§’ Kid-safe by design β€” no phone number required, no contact with anyone outside your family

SIMPLE FOR EVERY GENERATION If you can tap a picture, you can use String Cup. Kids sign in with a 4-digit PIN. Grandparents don't need to learn anything new.

ONE PRICE FOR THE WHOLE FAMILY $29.99 per year covers your entire family β€” every member, every device. Start with a 7-day free trial.

Your family already has a group chat's worth of love. Give it a home.
The private family group chat β€” no phone numbers, no strangers, just family.
Updated on
Sep 7, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info, Financial info and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

Initial release of String Cup, a private family communication app with family chat, private messaging, photo sharing, profile PIN access, reporting, blocking, and parent moderation.
Content rating
Everyone
Users Interact, In-App Purchases
Learn more

App support

About the developer
PHILIP MICHAEL ROBERT GROZENSKI
Wildburpp03@gmail.com
697 Flowing Meadow Dr Henderson, NV 89014-2664 United States