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Smart Home · head to head

August Smart Lock vs Eufy Security

August Smart Lock logo

August Smart Lock

Smart Home

Smart locks that work with your existing deadbolt

From
$29.99/mo
Rated
-
Full reviewWebsite
Eufy Security logo

Eufy Security

Smart Home

Privacy-focused smart home security

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Eufy Security has a free tier, so it costs nothing to try first.
  • Each has a real cost: August Smart Lock one-time purchase model with no recurring subscription fees; Eufy Security no published subscription pricing information
  • They diverge on capability: August Smart Lock covers Retrofit Design, Eufy Security covers Local storage.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which August Smart Lock and Eufy Security actually diverge.

Attributes where August Smart Lock and Eufy Security differ
AttributeAugust Smart LockEufy Security
Starting price$29.99/moFree
Free tierNoYes
Founded20122016

Identical on both: pricing model (one-time), platforms (IOS, Android, Web), user rating (Not yet rated), category (Smart Home).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in August Smart Lock

  • Retrofit Design
  • Auto-Unlock
  • Guest Access
  • Activity Log
  • Alexa
  • Google Home
  • HomeKit
  • SmartThings

Only in Eufy Security

  • Local storage
  • AI detection
  • 2K/4K video
  • Night vision
  • Two-way audio
  • No monthly fees
  • Amazon Alexa
  • Google Assistant

Both cover

  • IOS support
  • Android support
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

August Smart Lock

  • Keyless entrynot Eufy Security
  • Guest accessnot Eufy Security
  • Remote unlocknot Eufy Security
  • Activity monitoringnot Eufy Security

Eufy Security

  • Home securitynot August Smart Lock
  • Package detectionnot August Smart Lock
  • Baby monitoringnot August Smart Lock
  • Pet watchingnot August Smart Lock

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

August Smart Lock

  • One-time purchase model with no recurring subscription fees
  • Smart locks range from $129.99 to $229.99 depending on model and features

Eufy Security

  • No published subscription pricing information

Pricing, plan by plan

August Smart Lock

$29.99/mo
  • Smart Lock$149.99/mo
    • Standard smart lock
  • Yale Approach Lock with Wi-Fi$129.99/mo
    • Wi-Fi enabled
  • Wi-Fi Smart Lock$229.99/mo
    • Wi-Fi connectivity
  • Smart Lock + Connect$210.99/mo
    • Lock plus connectivity module

Eufy Security

Free
  • Solo Camera$50/month
    • Local storage
    • AI detection
    • No monthly fee
  • Video Doorbell$160/month
    • 2K video
    • Local storage
    • Human detection
  • HomeBase System$200/month
    • 16GB storage
    • Alarm
    • Multiple cameras

Which should you pick?

Choose August Smart Lock if

  • You need retrofit design.
  • You work on IOS, Android, Web.
  • You also want auto-unlock.
August Smart Lock review

Choose Eufy Security if

  • You need local storage.
  • You want to start without paying.
  • You work on IOS, Android, Web.
  • You also want ai detection.
Eufy Security review

Questions people ask

Is August Smart Lock or Eufy Security better?
Neither clearly leads. August Smart Lock starts at $29.99/mo and Eufy Security at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, August Smart Lock or Eufy Security?
Eufy Security has a free tier; the other does not. Paid plans start at $29.99/mo for August Smart Lock and Free for Eufy Security.
Does August Smart Lock or Eufy Security run on more platforms?
Both run on IOS, Android, Web, so platform support will not decide this one for you.
Can I use Eufy Security for free?
Yes. Eufy Security has a free tier, so you can try it without paying. August Smart Lock starts at $29.99/mo.
What is August Smart Lock best used for?
August Smart Lock is most often used for keyless entry, guest access, remote unlock, activity monitoring. Of those, keyless entry and guest access are not what Eufy Security is typically brought in for.
What can August Smart Lock do that Eufy Security cannot?
August Smart Lock covers Retrofit Design, Auto-Unlock, Guest Access, Activity Log. Eufy Security covers Local storage, AI detection, 2K/4K video, Night vision. Both handle IOS support, Android support, Web support.

Answered from the vendors’ own pages

August Smart Lock: How much do August smart locks cost?

August smart locks are one-time purchases. Prices range from $129.99 for the Yale Approach Lock with Wi-Fi to $229.99 for the Wi-Fi Smart Lock. Standard Smart Lock is $149.99. Bundles like Wi-Fi Smart Lock + Keypad Touch are $249.99.

Source
Eufy Security: How much does Eufy security cost?

Eufy does not publish subscription pricing for security services on its website. Individual security cameras and systems are sold at one-time prices ranging from $99.99 to $2,199.99, but recurring service costs are not listed.

Source
August Smart Lock: Does August offer a money-back guarantee?

Yes. August offers a 30-day money-back guarantee on purchases. Additionally, shipping is free in the United States.

Source
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