Apps like Smart Alert

Here are some great alternatives to Smart Alert by Evergreen Labs :
Anti Theft Phone Alarm
Anti Theft Phone Alarm
★4.6
Battery Charge Sound Alert
Battery Charge Sound Alert
★4.4
Anti Theft - Phone with Alarm
Anti Theft - Phone with Alarm
★4.7
Hourly Chime: Set Reminders
Hourly Chime: Set Reminders
★3.9
Battery Sound Notification
Battery Sound Notification
★4.4
Power Alarm
Power Alarm
★3.5
Smart Notify Unlocker
Smart Notify Unlocker
★3.7
Car Alarm Sounds
Car Alarm Sounds
★4.2
Earthquake alert
Earthquake alert
★4.2
Message Alarm - Instant Alerts
Message Alarm - Instant Alerts
★3.8
Emergency Sounds
Emergency Sounds
★4.3
Battery Sound Notification
Battery Sound Notification
★4.0
Nuclear Alarm Sounds
Nuclear Alarm Sounds
★4.1
Alarm Clock
Alarm Clock
★4.4
Alert Alarm
Alert Alarm
★4.5
Flash Alert - Call & SMS
Flash Alert - Call & SMS
★4.8