6 Best Smart Door Lock under $150 (November 2026)

A smart door lock is the one gadget where a bad choice leaves you standing outside in the rain. Under 150 dollars, the question is not whether a lock can read a fingerprint, because almost all of them can. It is whether the lock fits the hole already drilled in your door, whether it keeps working when the Wi-Fi does not, and whether you will still trust it after the batteries run low on a Sunday night.

This guide is for homeowners and renters swapping out a keyed deadbolt or an old knob, and for anyone who wants guests, dog walkers or kids to enter without a key. Seven listings were screened for 2026; two Veise listings are the same lock in different finishes, so six distinct locks are reviewed. Claims here come from listing titles only, with no invented specs, so anything a title leaves out is flagged as unknown rather than guessed. Use the quick table below to narrow the field, then read the entries that match your door.

Quick Picks

Our top picks

Top pickeufy Security Smart Lock C220

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Also greatVeise VE017 Fingerprint Smart Door Lock with

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Also greatSmart Door Handle Lock with Keypad

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Also greatPhilips Wi-Fi Smart Deadbolt Lock

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Also greatKeypad Smart Door Knob Lock

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Also greatVeise VE017 Fingerprint Smart Door Lock with

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How to Choose

Deadbolt or knob: match the existing door

Look at your door before the product page. A deadbolt replacement needs a standard bore and a door thickness the lock supports, and a knob lock replaces the whole handle set. Measure the backset (the distance from the door edge to the bore center), typically 2-3/8 or 2-3/4 inches, and confirm the listing mentions the same hole pattern. Mismatches are the top reason locks go back. Photograph the existing hardware and the edge of the door before ordering, so you can compare plate sizes and screw holes against the product images.

Decide how you want to be let in

Codes, fingerprints and the app each suit different people. Children and visitors do better with a code; family members prefer a finger touch; remote access needs Wi-Fi or a bridge. Titles that list 20 or more user codes suit rental hosts and big families, while a single-family home rarely needs that many. Ignore marketing about “military-grade” security and instead check for a mechanical backup key or an emergency power option.

Judge power and connectivity honestly

Battery life is stated only on some listings. The eufy title cites up to eight months, which is a ceiling and not a promise, since fingerprint readers and Wi-Fi radios drain cells faster. Built-in Wi-Fi saves you a hub but uses more power. Locks that list only app control may rely on Bluetooth, so remote unlocking could be unavailable when you are away. If you travel often or host guests, that single detail should shape the whole decision.

Know where budget locks cut corners

Inexpensive models tend to use lighter metals, slower fingerprint sensors, and basic apps with little support or updates. Check that the title mentions auto-lock, user management or a deadbolt, and treat a knob-style lock as less secure than a true deadbolt on an exterior door. Also confirm that the lock can be reset by you without calling support, and that the finish will match your other hardware, since a mismatched handle set is easy to spot from the curb.

The 6 Best Options

eufy Security Smart Lock C220

The eufy C220 is built for people who want to open the front door from a phone without buying a separate bridge. The title lists fingerprint keyless entry, built-in Wi-Fi, app remote control and up to an 8-month battery, aimed at front doors. Having Wi-Fi inside the lock body means you can let someone in from the office, and a long-life battery claim means fewer midnight swaps with a screwdriver in hand. It is the most connected lock in this group on paper.

• Strength: built-in Wi-Fi removes the need for a hub.
• Strength: a stated battery life of up to eight months reduces maintenance.
• Trade-off: the 8-month figure is a maximum, and heavy Wi-Fi or fingerprint use will shorten it.

Skip it if your router signal barely reaches the front door, since a Wi-Fi lock is only as reliable as the connection behind it.

Veise VE017 Fingerprint Smart Lock

Veise’s VE017 packs several entry modes into one device, with the title citing 8-in-1 keyless entry, app control, smart user management, auto lock and an electronic touchscreen. It suits a household where several people need different access, such as roommates or a family with a regular cleaner. The matte black and satin nickel listings are the same lock in different finishes, so simply match whichever suits your existing door hardware and hinges.

• Strength: auto lock helps when someone forgets to turn the deadbolt behind them.
• Strength: user management lets you add and remove people from the app.
• Trade-off: the title does not state battery life or built-in Wi-Fi, so remote access details are unclear.

Skip it if you want a brand with a large support network and published battery figures before you commit.

Yamiry Fingerprint Knob Lock with Deadbolt

This Yamiry model is sold as a door handle lock with a keypad and a fingerprint knob for the front door. The title mentions keyless entry, a deadbolt with app control and the ability to generate passcodes remotely, which is handy when a repair person needs a one-day code. It is a hardware-store style upgrade that adds a few smart features to a conventional handle, rather than a ground-up redesign of the door.

• Strength: remote passcode generation helps with temporary visitors.
• Strength: fingerprint, keypad and app options cover most household needs.
• Trade-off: a handle-and-knob design is more fiddly to fit than a simple deadbolt swap.

Skip it if your door already has a handle you like and you only want to replace the deadbolt cylinder, or if you need Wi-Fi spelled out in the title.

Philips Wi-Fi Smart Deadbolt

Philips brings a familiar brand to the budget deadbolt category. The title lists keyless entry for front doors, code, fingerprint or app unlock, remote access, and Alexa and Google voice unlock. Having both assistants named makes it flexible for mixed households, though voice unlocking raises its own security question, so use a spoken PIN if the app offers one and keep the speaker away from open windows.

• Strength: Wi-Fi remote access plus both major voice assistants are listed.
• Strength: three unlock methods sit in one deadbolt.
• Trade-off: battery life is not stated in the title, so plan to check it regularly.

Skip it if you do not want your door tied to voice assistants or home Wi-Fi, since both add points of failure and exposure.

Yamiry Keypad Smart Door Knob Lock

This is the code-only Yamiry option: an electronic code knob with a handle, easy installation and 20 user codes listed in the title. It is a practical swap for a bedroom, office or rental unit where fingerprint reading is overkill and a short PIN is plenty. Because it skips the extra sensors, it also tends to be the least complicated of the six to explain to a houseguest or a babysitter.

• Strength: 20 user codes suit rentals or shared houses.
• Strength: easy installation means less time with a drill.
• Trade-off: no fingerprint reader, so entry depends on remembering a code.

Skip it for a main exterior door if you want a true deadbolt, since a knob lock is not equivalent in feel or strength.

Yamiry Fingerprint Handle Lock

This Yamiry version combines a keypad with a fingerprint reader in a knob and handle style. The title lists digital codes, easy installation and a passage option. It is aimed at buyers replacing interior or secondary doors such as a garage entry or home office, where convenience matters more than top-tier security, and where two ways to enter beat carrying a key ring around the house.

• Strength: fingerprint plus code gives two ways to enter.
• Strength: easy installation keeps swaps quick.
• Trade-off: a knob style is a weaker fit for the main front entrance.

Skip it if you want a bolt-style lock for the front door, or the built-in Wi-Fi that the eufy and Philips titles mention.

Which One Fits Your Situation

Front door with a weak Wi-Fi signal

Choose the Veise VE017, which advertises auto lock, user management and a touchscreen rather than leaning on a cloud connection in its title. Test Bluetooth range from the doorstep before you rely on the app.

Rental host handing out temporary access

The Yamiry Fingerprint Knob Lock with remote passcode generation, or the Yamiry Keypad Knob with 20 user codes, covers guest turnover without handing over a physical key each time.

Voice-assistant household

The Philips Wi-Fi Smart Deadbolt names both Alexa and Google, so any speaker in the house can take part. Use it alongside a code rather than voice alone for the front door.

Worried about changing batteries

The eufy Smart Lock C220 states up to eight months of battery life, the only such figure in this group, so it asks the least of you in routine upkeep.

Common Mistakes

• Skipping the backset and door thickness check, then finding the new lock will not fit the existing bore.
• Treating a knob lock as a full replacement for a deadbolt on an exterior door.
• Relying on a Wi-Fi lock without testing the signal strength at the doorstep first.
• Forgetting a mechanical key or backup plan for the day the batteries finally die.
• Giving out a permanent code to one-time visitors instead of a temporary one that you can remove.

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Frequently Asked Questions

Will a smart lock fit my current door?

Most fit a standard bore, but check backset and door thickness against the listing. If your door has unusual prep, such as a mortise or a narrow stile, a handle-style lock may need extra drilling or an adapter.

What happens when the batteries die?

Most locks give low-battery warnings, and many include a backup key or an emergency power contact. Read the manual, keep spare cells near the door, and replace them at the first warning, not the last.

Are fingerprint locks safe?

They are convenient, and a reader plus a code is a reasonable combination for a family. Wet, cold or dirty fingers can slow recognition, so keeping a code backup is wise, and children may need their prints re-enrolled as they grow.

Does remote access need a hub?

Not when Wi-Fi is built in, as the eufy and Philips listings state. Locks that mention only app control may rely on Bluetooth range, which means unlocking from another city could be off the table.