Alternatives

Products that do what Duo does

Chance to save lives. Mobile alerts for your gun safe & more

1
Citizen▲220
Stay safe with instant alerts about nearby crime
2017
2
Nest Protect 2.0▲182
All-new smoke sensors and security features.
2014
3
GROW Duo▲180
A smart self-watering planter to grow food & herbs outdoors
2017
4
Neighbors▲110
Neighborhood watch as an app, by Ring
2018
5
Minut▲122
A camera-less home security device
2019
6
DUO by Mobile Pixels▲114
A second screen for your laptop
2018
7
Protechme ▲97
A community-driven safety app and button for fast help
2024
8
Proximity Lock System 2.0▲197
Never worry about leaving your computer unlocked again.
Nov 2025
9
Flock▲107
Wireless security for neighborhoods
2017
10
Olarm▲71
Home security simplified
2018
11
weWake▲84
Alarm clock for friends. Wake up together and stay in touch
2020
12
Ring Security for Cars▲117
A new line of Ring products for protecting your car
2020
13
Leeo Smart Alert▲88
Smart smoke alarm nightlight that sends alerts to your phone
2014
14
Tile Mate▲147
A tiny bluetooth tracker. Never lose your things.
2016
15
The Placemeter Sensor▲149
Count people, bikes, & cars in real-time. Now shipping.
2015
16
Viyo▲91
Turn any device with a browser into a security camera
2019
17
Lithium - The People's Sense▲107
IoT community safety app, alerting everyone nearby
2023
18
One X Sensor▲150
Monitor the impact of your diet and lifestyle on your body
2016
19
Don't Touch My Phone▲71
Protect your phone from thieves
2018
20
Alive▲116
Silent safety check-ins—making solo living feel seen
Jan 2026
21
Safewatch▲104
Give your security cameras superpowers.
2020
22
Clockwise▲202
Stay in sync across time zones
2024
23
Wink▲102
One app to control and monitor all your connected devices.
2014
24
TabTimer▲195
The world's tiniest timer. Built for your browser.
2024

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