String Cup: Family Messenger
In-app purchases
Everyone
info
10+
Downloads
About this app
String Cup is a private family messenger and group chat made just for your family—from grandparents to grade-schoolers.
No phone numbers. No email addresses. No strangers. Your family gets a private code, each member chooses a profile and a simple 4-digit PIN, and everyone is connected on your family’s own private line.
WHY FAMILIES LOVE STRING CUP
🏠 ONE FAMILY CHAT
Keep everyone together in one welcoming family group chat.
💬 PRIVATE 1-ON-1 MESSAGES
Family members can communicate directly while staying inside the family.
📷 PHOTO SHARING
Capture special moments and share photos with the people who care most.
🔔 GENTLE NOTIFICATIONS
Know when someone in your family reaches out.
⏳ FRESH CONVERSATIONS
Messages disappear from everyday chat after 48 hours, keeping conversations manageable.
👨👩👧 PARENT TOOLS
Parents can access the family archive, review safety reports, and manage family members.
🛡️ FAMILY SAFETY
Report messages and block family members when needed. Parents can review reports and take action.
🧒 PRIVATE BY DESIGN
No phone number is required, and members cannot contact strangers or anyone outside their family.
SIMPLE FOR EVERY GENERATION
If you can tap a picture, you can use String Cup. Kids sign in with a 4-digit PIN, and grandparents don’t need to learn complicated account settings.
ONE PLAN FOR THE WHOLE FAMILY
One annual subscription provides premium access for the whole family across supported
No phone numbers. No email addresses. No strangers. Your family gets a private code, each member chooses a profile and a simple 4-digit PIN, and everyone is connected on your family’s own private line.
WHY FAMILIES LOVE STRING CUP
🏠 ONE FAMILY CHAT
Keep everyone together in one welcoming family group chat.
💬 PRIVATE 1-ON-1 MESSAGES
Family members can communicate directly while staying inside the family.
📷 PHOTO SHARING
Capture special moments and share photos with the people who care most.
🔔 GENTLE NOTIFICATIONS
Know when someone in your family reaches out.
⏳ FRESH CONVERSATIONS
Messages disappear from everyday chat after 48 hours, keeping conversations manageable.
👨👩👧 PARENT TOOLS
Parents can access the family archive, review safety reports, and manage family members.
🛡️ FAMILY SAFETY
Report messages and block family members when needed. Parents can review reports and take action.
🧒 PRIVATE BY DESIGN
No phone number is required, and members cannot contact strangers or anyone outside their family.
SIMPLE FOR EVERY GENERATION
If you can tap a picture, you can use String Cup. Kids sign in with a 4-digit PIN, and grandparents don’t need to learn complicated account settings.
ONE PLAN FOR THE WHOLE FAMILY
One annual subscription provides premium access for the whole family across supported
The private family messenger — no phone numbers, just family.
Updated on
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 partiesLearn more about how developers declare sharing
- This app may collect these data typesPersonal 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.
App support
About the developer
PHILIP MICHAEL ROBERT GROZENSKI
StringCupApp@gmail.com
697 Flowing Meadow Dr
Henderson, NV 89014-2664
United States