UOKnow - Are You OK?
UOKnow - Are You OK? is made and published by Chenghao Li. AppBrain is an independent app data site and isn't affiliated with Chenghao Li. The app name, icon, screenshots and description belong to Chenghao Li and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- November 3, 2026
- Size
- 42.5 MB
User feedback
Ratings and reviews on the App StoreComments on UOKnow - Are You OK? for iOS
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Store listing
By Chenghao Li, from the App StoreDescription by Chenghao Li Written by the developer, not by AppBrain. Click to read.
Set your check-in window. If you don't check in on time, UOKnow automatically escalates through 3 alert levels to your emergency contacts.
HOW THE 3-LEVEL ALERT SYSTEM WORKS
• Level 1 — sent immediately when your window expires:
Free: email alert to all contacts
Premium: email + SMS to all contacts
• Level 2 — 4 hours after Level 1 (Premium only):
Email + SMS, marked [!] Urgent
• Level 3 — 24 hours after Level 1 (Premium only):
Email + SMS, marked [!!] Critical
SIMPLE & PRIVATE
• No account or registration required
• No personal data stored beyond what's needed
• One tap to check in and confirm you're safe
CUSTOMIZABLE
• Set your own check-in window (4, 8, 12, 24, 48, or 72 hours)
• Add up to 3 emergency contacts (Free) or 5 (Premium)
• Personal message sent to contacts when an alert fires
• Daily reminder notification so you never forget to check in
• 25 languages — all alerts sent in your chosen language
PLANS
Free — always free
• Up to 3 emergency contacts
• Email alerts · Level 1 only (one-time alert)
Premium — monthly or yearly subscription
• Up to 5 emergency contacts
• Email + SMS alerts
• Full 3-level escalation system
• Cancel anytime in App Store settings
Lifetime — one-time purchase
• Everything in Premium, forever
• No subscription, no recurring charges
IDEAL FOR
• People living alone
• Seniors and elderly individuals
• Solo travelers and outdoor adventurers
• Anyone who wants peace of mind for their family
UOKnow: A quiet guardian that lets your people know you're OK.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 42.5 MB
- Content rating
- Everyone
Technologies used by UOKnow - Are You OK?
Releases
Updates seen on the App Store- Version
- 1.0.7
- Launched
- June 2026
No changelog data
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Rankings
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About the app and developer
About UOKnow - Are You OK?
UOKnow - Are You OK? is a health & fitness app developed by Chenghao Li.
User Ratings
The app has no ratings yet.
App Information
UOKnow - Are You OK? is freely available from the App Store. The app size is 42.53 MB. The latest version available is 1.0.7. The last update was on November 3, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since June 2026.
Developer information for Chenghao Li
Address:
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