Looking for an affordable smart lock? We’ve rounded up the best smart locks under $100 that offer security, convenience, and smart features without breaking the bank.
Best Smart Locks Under $100
Before you start shopping, consider key features to look for in smart locks under $100:
- Connectivity Options – Does it use Bluetooth, Wi-Fi, or just a keypad?
- Unlocking Methods – Keypad, fingerprint, app control, or traditional key backup?
- Security Features – Auto-lock, anti-tamper alarms, and encryption for data safety.
- User Code Management – How many passcodes can you create? Can you set temporary codes?
- Battery Life & Backup – How long do the batteries last, and is there a backup key option?
- Ease of Installation – Can you install it yourself, or does it need professional help?
- Build Quality & Durability – Is it weatherproof? Does it have a solid metal build?
- Compatibility – Does it fit standard doors? Does it work with existing deadbolts?
- Smart Home Integration – Does it connect with Alexa, Google Assistant, or Apple HomeKit?
Wyze Lock Bolt
Coming in at a remarkable price point, Wyze Lock Bolt offers excellent value for money. Aside from the standard smart lock features of remote access and guest pass codes, the three most notable aspects are its simple installation process, auto-unlock feature, and easy integration with your smart home system.

August Smart Lock (3rd Gen, Refurbished)
Renowned for its strength and durability, the August Smart Lock does not disappoint. This refurbished model allows you to enjoy all the features of newly bought models at a fraction of the cost. It offers unique features like virtual keys and a DoorSense function, giving you ultimate control over your home’s security!

Kwikset 92640 Keypad Deadbolt
As one of the most reliable brands in door locks, Kwikset brings you an affordable, easy-to-install, and user-friendly option with their 92640 Keypad Deadbolt. With the ability to be locked or unlocked by using a personalized code, this lock offers a significant upgrade without a major price tag!

Sifely Keyless Entry Door Lock
This compact, sleek lock provides you with five ways to access your home, from a traditional mechanical key to a smartphone app. The Sifely Keyless Entry Door Lock is perfect for those seeking versatility and simplicity in their lock system!

Hornbill Smart Lock
Offering keyless entry solutions, the Hornbill Smart Lock boasts stellar reviews for its strength, durability, and easy installation. In particular, users praise its excellent battery life and flexibility in allowing multiple access codes, ensuring top-grade home security at a reasonable cost!

TEEHO Keyless Entry Door Lock
TEEHO offers a versatile lock that features fingerprint recognition, a touchscreen keypad, and a physical key. You can also state goodbye to worrying about whether you forgot to lock your door because this smart lock auto-locks after a set interval of unlatching.

GeekTale Smart Door Lock
The GeekTale smart door lock merges functionality and affordability. It brings a unique feature to the table – RFID access! With durable construction and a bevy of features, this lock ensures home security without straining your wallet.

Bottom Line
Home security no longer calls for a crazy budget. With the list of the best smart locks under $100 compiled here, you’re set to welcome high-tech security to your home. And remember, your peace of mind is our priority!
FAQ
Do smart locks work without Wi-Fi?
Yes! Many smart locks under $100 use Bluetooth or a keypad instead of Wi-Fi. While Wi-Fi allows remote access, Bluetooth locks still let you control access via an app when you’re nearby. Some also offer traditional key backups.
What happens if the battery dies on a smart lock?
Most smart locks will warn you in advance when the battery is low. If the battery dies, you can usually unlock the door using:
A physical backup key
An external battery terminal (on some models)
A 9V battery (for emergency power on certain locks)
Are smart locks easy to install?
Yes! Most budget-friendly smart locks are DIY-friendly and designed to fit standard doors. Many simply replace your existing deadbolt and require just a screwdriver for installation—no wiring needed.