Smart Locks
Best Smart Lock Under $100 (2026): 5 Picks Compared
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For a smart lock, the Sifely deadbolt leads with 5 unlock ways: fingerprint, keypad passcodes, app control, key fobs, and backup keys. The TMEZON and BIWIBON knobs add their own 5-way entry, while the Kucacci and Yale picks keep it to keypad codes. Pick the unlock mix and app control that fit your door.
Starting out? See the main guide: Best Smart Lock
Top picks at a glance
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9.8 View on Amazon -
9.7 View on Amazon -
Also GreatBIWIBON Fingerprint Door Lock9.6 View on Amazon -
9.5 View on Amazon -
Also GreatYale Digital Keypad Deadbolt9.2 View on Amazon
Compare the specs
Ranked on fingerprint reader, keypad, auto-lock, phone app control, works with alexa / google from each listing, plus how many buyers have rated it. A dash (—) means we could not confirm that figure from the listing.
| Pick | Fingerprint reader | Keypad | Auto-lock | Phone app control | Works with Alexa / Google | Weight | Warranty |
|---|---|---|---|---|---|---|---|
| 1. Sifely Fingerprint Smart Deadbolt Lock with Keypad | Yes | Yes | Yes | Yes | Yes | 2 lb | — |
| 2. TMEZON Smart Lock Fingerprint Keyless Entry APP/Card/Code/Key | Yes | Yes | Yes | Yes | — | — | 1-year |
| 3. BIWIBON Fingerprint Door Lock | Yes | Yes | Yes | — | — | 1.8 lb | — |
| 4. Smart Door Handle Lock with Keypad: Kucacci | — | Yes | Yes | — | — | — | 1-year |
| 5. Yale Digital Keypad Deadbolt | — | Yes | Yes | — | — | 3 lb | — |
Sifely Fingerprint Smart Deadbolt Lock with Keypad
It pairs 5 unlock ways with auto lock, privacy mode, and passage mode in a deadbolt for front doors.
- Fingerprint reader
- Keypad
- Auto-lock
- Phone app control
- Works with Alexa / Google
Good for
- Buyers who want fingerprint plus keypad entry
- Owners of front doors needing key fob access
Skip it if
- You want a lock over 2 lb
- You want fewer than 5 unlock ways
It stores over 100 fingerprints and over 100 access codes, and the Sifely app creates codes, shares electronic keys, and reviews access logs. Scheduled permissions cover visitors and tenants, and remote management uses the Sifely WiFi Gateway, sold separately. It installs with a screwdriver on left-handed and right-handed doors and weighs 2 lb.
TMEZON Smart Lock Fingerprint Keyless Entry APP/Card/Code/Key
It offers 5 unlock ways with a 0.2-second fingerprint unlock and auto lock 5 seconds after closing.
- Fingerprint reader
- Keypad
- Auto-lock
- Phone app control
- 1-year warranty stated
Good for
- Buyers who want fingerprint unlock in 0.2 seconds
- Owners of bedroom, hotel, or office doors
Skip it if
- You want Wi-Fi control without a gateway
- You want more than 100 IC cards
It stores 50-plus fingerprints and 100 IC cards, with 4 IC cards and 2 physical keys in the box. The TUYA Bluetooth app locks and unlocks the door, shares e-codes, and checks log records, with no fees for the app. One-key anti-lock sits on the backside handle for admins only, and it fits most US standard left-handed and right-handed doors with no drilling.
BIWIBON Fingerprint Door Lock
It brings 5 unlock ways with 100 fingerprints, 100 codes, and 100 IC cards in a knob.
- Fingerprint reader
- Keypad
- Auto-lock
Good for
- Buyers who want 100 fingerprints and 100 codes
- Owners of home, office, or bedroom doors
Skip it if
- You want a deadbolt instead of a knob
- You want fingerprint data uploaded to the cloud
It creates one-time, timed, or dynamic codes from a phone and tracks access history for housekeepers, deliveries, or short-term rentals. Anti-peep PIN entry takes random digits before or after the real passcode, and auto-lock timing adjusts from 5 to 179 seconds. Fingerprint and app data stay local, never uploaded to the cloud, and it weighs 1.8 lb.
Smart Door Handle Lock with Keypad: Kucacci
It keeps entry to keypad codes for up to 20 users, with auto lock from 5 to 99 seconds.
- Keypad
- Auto-lock
- 1-year warranty stated
Good for
- Buyers who want keypad-only entry with no app
- Owners of front doors needing one-time codes
Skip it if
- You want more than 20 keypad users
- You want auto lock beyond 99 seconds
It grants 4- to 8-digit one-time codes and includes mechanical keys as backup, with a reversible handle for left-handed and right-handed doors. Installation takes 10 minutes with a screwdriver and replaces a deadbolt, lever, handle, or knob. The backlit keypad supports silent mode and vacation mode, and it runs on 4 AA batteries, not included.
Yale Digital Keypad Deadbolt
It gives 20 keypad codes with auto lock and a backlit keypad in a BHMA Grade 3 deadbolt.
- Keypad
- Auto-lock
Good for
- Buyers who want 20 keypad codes
- Owners of exterior doors needing a backlit keypad
Skip it if
- You want more than 20 entry codes
- You want a lock under 3 lb
It creates up to 20 unique entry codes directly on the lock, with auto lock securing the deadbolt behind you. The backlit keypad works day or night, and a backup key covers traditional entry. BHMA Grade 3 certification covers residential-grade durability from -22°F to 140°F, and low-power alerts flag low batteries.
How to choose
Match unlock ways to your door
The Sifely, TMEZON, and BIWIBON picks each open 5 ways: fingerprint, passcode, app, cards or fobs, and backup keys. The Kucacci holds up to 20 keypad users with one-time codes, and the Yale holds up to 20 codes on a backlit keypad. Count the people who need entry and pick the mix that covers them without extra keys.
App control versus keypad only
The Sifely, TMEZON, and BIWIBON picks run phone apps for codes, logs, and shared access, while the Kucacci and Yale picks stay keypad-only. Sifely remote management needs the WiFi Gateway, sold separately, and TMEZON app control runs on Bluetooth, not Wi-Fi. Decide whether phone control matters before choosing app features you will not use.
Auto lock timing and batteries
The Sifely locks automatically after entry, the TMEZON locks 5 seconds after the door closes, the BIWIBON adjusts from 5 to 179 seconds, and the Kucacci adjusts from 5 to 99 seconds. The Kucacci runs on 4 AA batteries, not included, and the Sifely, Kucacci, and Yale picks give low-battery alerts. Check battery type and alert style before fitting the lock to a busy door.
FAQ
Do these smart locks need Wi-Fi to work?
The Sifely, TMEZON, and BIWIBON picks run phone apps, with Sifely remote management needing the WiFi Gateway, sold separately, and TMEZON control running on Bluetooth, not Wi-Fi. The Kucacci and Yale picks stay keypad-only with no app at all.
How many fingerprints and codes can these locks store?
The Sifely stores over 100 fingerprints and over 100 codes, the BIWIBON stores 100 fingerprints, 100 codes, and 100 IC cards, and the TMEZON stores 50-plus fingerprints and 100 IC cards. The Kucacci holds up to 20 keypad users and the Yale holds up to 20 codes.
Which locks work without a phone app?
The Kucacci and Yale picks are keypad-only, with the Kucacci offering one-time codes and the Yale offering 20 codes plus a backup key. The Sifely, TMEZON, and BIWIBON picks use phone apps for codes and access logs.
