WatchTool: Real-World Alerts
Customized Device Alerts
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Turn devices into a customizable alert system. No extra hardware required.
Turn your old iPhone into a smart home alert system.
WatchTool lets you place a spare iPhone near your mailbox, appliance, or doorway and receive instant notifications when something changes.
Know the moment your mail arrives.
Get alerts when the dryer stops.
Detect sounds, vibration, light changes, and more.
No special hardware. Just your existing iPhone.
Ratings & Reviews
The developer, Alexander Lowther, 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
- Alexander Lowther
- Size
- 26.7 MB
- Category
- Utilities
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Alexander Lowther
