don't open
10+
Downloads
Everyone
info
About this app
Keep your phone safe, your brain sharp, and your friends on their toes with Don’t Open!
This clever anti-theft alarm app doubles as a fun prank tool-perfect for security and laughs.
🔔 How it works:
When someone tries to open your phone, a loud security alarm instantly goes off.
To silence it, they must solve 3 math puzzles within 100 seconds.
A mix of privacy lock, brain training, and hilarious pranks!
✨ Features you’ll love:
Strong phone security against intruders and snoopers
Great for pranking friends when they try to unlock your phone
Customizable timer for solving math puzzles
Adjustable default volume (increase or decrease)
Add your own songs for a unique prank or alarm tone
Bug fixes and smoother performance
Whether you want to protect your privacy, challenge your brain, or pull a clever phone prank, Don’t Open! is the perfect app.
👉 Download now to enjoy anti-theft security, fun math puzzles, and endless prank opportunities!
This clever anti-theft alarm app doubles as a fun prank tool-perfect for security and laughs.
🔔 How it works:
When someone tries to open your phone, a loud security alarm instantly goes off.
To silence it, they must solve 3 math puzzles within 100 seconds.
A mix of privacy lock, brain training, and hilarious pranks!
✨ Features you’ll love:
Strong phone security against intruders and snoopers
Great for pranking friends when they try to unlock your phone
Customizable timer for solving math puzzles
Adjustable default volume (increase or decrease)
Add your own songs for a unique prank or alarm tone
Bug fixes and smoother performance
Whether you want to protect your privacy, challenge your brain, or pull a clever phone prank, Don’t Open! is the perfect app.
👉 Download now to enjoy anti-theft security, fun math puzzles, and endless prank opportunities!
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 parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
What’s new
🛠️ Bug fixes and performance improvements
⏱️ Added option to change the timer
🔊 Control the default volume (increase or decrease)
🎵 Add your own songs for a personalized experience
⏱️ Added option to change the timer
🔊 Control the default volume (increase or decrease)
🎵 Add your own songs for a personalized experience
App support
About the developer
Borislav Georgiev
axbridge.sup@gmail.com
Prespa 13
9000 Varna
Bulgaria
