ScreenAlert
Read & Monitor Your Screen
Only for Mac
$4.99
Mac
Turn any part of your screen into a smart alert system.
Select an area → ScreenAlert reads it using advanced OCR → You get notified when it changes.
No integrations. No APIs. Works with any app, any window, any content.
USE CASES
•Track stock prices or crypto values — get alerted when targets are hit
•Monitor builds, logs, or dashboards — react instantly to changes
•Follow live scores, auctions, or countdowns — never miss critical moments
•Watch apps that don’t support notifications — make anything “alertable”
KEY FEATURES
OCR Screen Reader
•Select any screen area and extract text instantly
•Read text aloud with natural macOS voices
•Copy recognized text to clipboard
•Works across multiple monitors
•Optional continuous auto-reading
Smart Alerts (7 Trigger Types)
•Text changed
•Text equals / does not equal
•Number equals / greater / less than
•Image change detection (adjustable sensitivity)
Actions when triggered:
•Speak text aloud
•Play alert sound
•Run any macOS Shortcut (powerful automation)
Window Tracking
•Lock monitoring to a specific app window
•Automatically follows movement or backgrounding
•Persistent visual tracking indicator
Text Processing Engine
•Clean and normalize captured text before evaluation
•Remove unwanted characters, spaces, emojis, non-ASCII
•Trim text using rules or keywords
•Live preview of processed output
Reading History & Export
•Automatic log of all captured readings
•Search and review past entries
•Export to CSV for analysis
•Stores up to 1,000 recent records
Fully Customizable
•Multiple languages and voice options
•Adjustable scan interval
•Control alert duration and behavior
•Optional screenshot sound toggle
•Launch at login
BUILT FOR macOS
•Native, lightweight menu bar app (no Dock clutter)
•Powered by Apple Vision for fast, accurate OCR
•Works seamlessly with macOS Shortcuts
•Privacy-first: no cloud, no tracking, no data leaves your Mac
•One-time purchase — no subscriptions
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Georgios Trigonakis, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Georgios Trigonakis
- Size
- 2.3 MB
- Category
- Utilities
- Compatibility
Requires macOS 13.5 or later.
- Mac
Requires macOS 13.5 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Georgios Trigonakis
