SentryNote is made and published by Atomar, LLC. AppBrain is an independent app data site and isn't affiliated with Atomar, LLC. The app name, icon, screenshots and description belong to Atomar, LLC and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- February 18, 2026
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Releases
Updates seen on the App Store- Version
- 0.0.18
- Launched
- February 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 33.8 MB
- Content rating
- Everyone
Technologies used by SentryNote
About the app and developer
About SentryNote
SentryNote is a productivity app developed by Atomar, LLC.
What is the rating of SentryNote?
SentryNote has no ratings yet.
Is SentryNote free?
SentryNote is free. The app size is 33.76 MB. The latest version available is 0.0.18. The last update was on February 18, 2026.
What are the requirements for SentryNote?
The app has a content rating of Everyone. The app has been available on the App Store since February 2026.
Developer information for Atomar, LLC
Address:
Store listing
By Atomar, LLC, from the App Store
Screenshots by Atomar, LLC, from the the App Store listing
Description by Atomar, LLC Written by the developer, not by AppBrain. Click to read.
SentryNote - Secure Note-Taking for macOS and iOS
Transform your note-taking experience with SentryNote, the most secure and feature-rich note-taking app for macOS. Built with privacy-first principles, SentryNote ensures your thoughts, ideas, and sensitive information remain protected while staying organized and accessible across all your devices.
Military-Grade Security
End-to-End Encryption: Every note is encrypted locally before syncing
Zero-Knowledge Architecture: We can't read your notes - only you can
Local-First Security: Your data stays on your device until you choose to share
Advanced Encryption: Industry-standard AES-256 encryption for maximum protection
Time-Limited Sharing
Self-Destructing Notes: Set expiration times for sensitive information
Temporary Access: Share notes that automatically disappear after viewing
Secure Links: Generate encrypted sharing links with custom expiration
View Tracking: See when your shared notes are accessed
Team Collaboration
Secure Team Workspaces: Collaborate without compromising security
Role-Based Access: Control who can view, edit, or share specific notes
Encrypted Team Sharing: All team communications remain encrypted
Real-Time Sync: Changes sync instantly across all team members
Powerful Note-Taking
Rich Text Editor: Full markdown support with live preview
Smart Organization: Folders, tags, and searchable content
Cross-Platform Sync: Access your notes on macOS, iOS, and Web
Offline Access: Work without internet - sync when connected
Universal Access
macOS Native App: Optimized for Mac with native performance
iOS Companion: Full-featured mobile app for iPhone and iPad
Web Application: Access your notes from any browser
Seamless Sync: Your notes sync instantly across all platforms
Privacy-First Design
No Data Mining: We don't collect or sell your personal information
Transparent Security: Open about our encryption methods
Local Processing: Sensitive operations happen on your device
GDPR Compliant: Full compliance with privacy regulations
Perfect for:
Professionals handling sensitive information
Teams requiring secure collaboration
Journalists and researchers
Anyone who values privacy and security
Why Choose SentryNote?
Unlike other note-taking apps that store your data in plain text, SentryNote encrypts everything locally before it ever leaves your device. Our time-limited sharing feature ensures sensitive information doesn't linger in others' hands, while our team collaboration tools let you work securely with colleagues without compromising privacy.
Get Started Today
Download SentryNote and experience the future of secure note-taking. Your thoughts deserve the highest level of protection, available wherever you are.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Transform your note-taking experience with SentryNote, the most secure and feature-rich note-taking app for macOS. Built with privacy-first principles, SentryNote ensures your thoughts, ideas, and sensitive information remain protected while staying organized and accessible across all your devices.
Military-Grade Security
End-to-End Encryption: Every note is encrypted locally before syncing
Zero-Knowledge Architecture: We can't read your notes - only you can
Local-First Security: Your data stays on your device until you choose to share
Advanced Encryption: Industry-standard AES-256 encryption for maximum protection
Time-Limited Sharing
Self-Destructing Notes: Set expiration times for sensitive information
Temporary Access: Share notes that automatically disappear after viewing
Secure Links: Generate encrypted sharing links with custom expiration
View Tracking: See when your shared notes are accessed
Team Collaboration
Secure Team Workspaces: Collaborate without compromising security
Role-Based Access: Control who can view, edit, or share specific notes
Encrypted Team Sharing: All team communications remain encrypted
Real-Time Sync: Changes sync instantly across all team members
Powerful Note-Taking
Rich Text Editor: Full markdown support with live preview
Smart Organization: Folders, tags, and searchable content
Cross-Platform Sync: Access your notes on macOS, iOS, and Web
Offline Access: Work without internet - sync when connected
Universal Access
macOS Native App: Optimized for Mac with native performance
iOS Companion: Full-featured mobile app for iPhone and iPad
Web Application: Access your notes from any browser
Seamless Sync: Your notes sync instantly across all platforms
Privacy-First Design
No Data Mining: We don't collect or sell your personal information
Transparent Security: Open about our encryption methods
Local Processing: Sensitive operations happen on your device
GDPR Compliant: Full compliance with privacy regulations
Perfect for:
Professionals handling sensitive information
Teams requiring secure collaboration
Journalists and researchers
Anyone who values privacy and security
Why Choose SentryNote?
Unlike other note-taking apps that store your data in plain text, SentryNote encrypts everything locally before it ever leaves your device. Our time-limited sharing feature ensures sensitive information doesn't linger in others' hands, while our team collaboration tools let you work securely with colleagues without compromising privacy.
Get Started Today
Download SentryNote and experience the future of secure note-taking. Your thoughts deserve the highest level of protection, available wherever you are.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/