- Cellular
- WiFi
Alarm with no subscription
No monthly fee on WiFi, and it calls your phone.
EDGE Essential WiFi $159 · No subscription on WiFi
- 4 AA batteries
- E-ink screen
- 30-day returns
Is there a temperature alarm with no monthly subscription?
Yes. On WiFi, the MaxLinc EDGE Essential WiFi needs no subscription: alarms, live data, 45 days of history and Excel export stay free on the Standard tier. It joins your 2.4 GHz WiFi with no hub, runs about 2 years on 4 AA batteries (USB-C power optional), and alerts everyone on your list by phone call, text, email and app notification. Each device includes about $3.70 of call and text credit; email and app alerts are always free. Optional Premium adds full history and adding new people for about $17.78/yr per device, with the first year included.
EDGE Essential WiFi at a glance
- Price
- $159 USD one-time
- Measures
- Room temperature and humidity, with a mold-risk index
- Connection
- 2.4 GHz WiFi, with no hub or gateway
- Power
- 4 AA batteries (about 2 years), USB-C power optional
- Subscription
- None on WiFi: alarms, live data, 45 days of history and Excel export are free. Optional Premium: about $17.78/yr per device, first year included
- Alerts
- Phone call, text, email and app notification to everyone on your list, plus a buzzer and an on-screen alarm. about $3.70 of call and text credit included; email and app alerts are always free
- Screen
- E-ink screen with the reading and alarms (below 0 °C (32 °F) it stops updating; logging and alarms carry on)
- Warranty and returns
- 2-year limited warranty, 30-day money-back guarantee
- Made in
- Canada
What to check before you buy
What stays free
On WiFi, EDGE keeps alarms, live data, 45 days of history and Excel export free, with no time limit.
What calls and texts cost
Texts are about 1.5¢ and calls about 3.7¢, from the about $3.70 credit included with each device. Email and app alerts are always free.
No hub or gateway to buy
Some systems need a hub or gateway that stays plugged in. EDGE joins your WiFi directly.
When cellular is worth it
No WiFi where it goes, or worried about power cuts? EDGE Cellular includes year 1, then costs about $26.67/yr per device.
Fridge and freezer
For inside an appliance, EDGE Thermo has two probes, −55 to +125 °C (−67 to +257 °F), on the same free WiFi tier.
A screen and a buzzer
The e-ink screen shows the reading on the device, and the buzzer sounds an alarm on site.
Pick your EDGE
Every EDGE alerts your list by phone call, text, email and app and logs every reading. Choose WiFi, or Cellular where there is no WiFi.
Compare and read more:EDGE vs GoveeEDGE vs SensorPushEDGE vs Temp StickFreezer alarm that calls you
More questions
What is free and what is Premium?
On WiFi, alarms, live data, 45 days of history and Excel export are free with no time limit. Optional Premium adds full history and adding new people for about $17.78/year (about $1.48/month) per device, billed annually, and your first year of it is included. People already on your alert list keep their alerts without Premium.
Do texts and phone calls cost extra?
Every device comes with about $3.70 of call and text credit (250 texts or 100 calls): about 1.5¢ per text and about 3.7¢ per call. Email and app alerts are always free.
Is the Cellular version also free?
No. On Cellular, the 1st year of service is included, then about $26.67/yr (about $2.22/month) per device, billed annually; it covers the cellular network and Premium. Nothing is charged before year two.
Which EDGE should I buy?
Rooms, basements and server rooms: EDGE Essential (it measures room air). Inside a fridge or freezer: EDGE Thermo, whose two probes cover a fridge and a freezer from one device. No WiFi where it goes, or worried about outages? Take the Cellular version.
What if it’s not right for me?
You’re covered by our 30-Day Money-Back Guarantee: send back any unused item in its original packaging within 30 days and we pay the return shipping. Every EDGE also has a 2-year limited warranty.
Last updated:
No monthly fee on WiFi. A call when it matters.
See EDGE Essential WiFiSet up in under 5 minutes · 30-day money-back guarantee · 2-year warranty