Best Smart Lock Under $150
The best smart lock under $150 should fit the door and the way you manage access. Compare eufy Smart Lock C220 for a lower-priced fingerprint option, Tapo DL110 Fingerprint Smart Door Lock for a rechargeable Tapo fingerprint setup, or Tapo DL100 Keyless Wi-Fi Deadbolt for budget keypad access. The budget covers the selected lock; door modifications, optional accessories and installation services are separate.
Our Top Budget Picks at a Glance
Updated October 31, 2026 · Specification-based editorial buying guide
A lower-priced fingerprint option when the door fits.
Check Price at AmazonRead full review ↓Fingerprint, keypad and app access in a specific full-lock package.
Check Price at AmazonRead full review ↓A budget option when fingerprint unlocking is unnecessary.
Check Price at AmazonRead full review ↓Disclosure: This page contains affiliate links. As an Amazon Associate, we earn from qualifying purchases at no extra cost to you.
How We Chose These Products
We compared manufacturer specifications, exact product configurations, published prices and the requirements of the stated use. This is a research-based buying guide, not a hands-on test report. Official price references were checked October 31, 2026; stock and retailer offers can change. Buy targets are editorial spending limits, not live quotes. Prices refer to new US products before tax, shipping and optional accessories unless stated otherwise.
Best Smart Lock Under $150: Detailed Reviews
eufy Smart Lock C220 View on Amazon
| Type | Replacement smart deadbolt |
|---|---|
| Access | Fingerprint, keypad and app functions; verify regional model |
| Connection | Wi-Fi-enabled model |
| Power | Eight AA batteries; check package and maintenance guidance |
The C220 is the first comparison if you want fingerprint access and Wi-Fi functions without spending the entire budget. eufy’s checked US collection showed selected C220 offers around $100, with finish and bundle prices differing. Match the plain lock package rather than a door-lever or multi-lock bundle. Measure the door and read the installation template before buying: a suitable deadbolt opening and free bolt travel matter more than an attractive app screen. Review the exact app and assistant integrations, and keep a practical backup access method. This guide does not claim that fingerprint recognition or a smart label makes a door invulnerable.
- Fingerprint option below the cap
- Wi-Fi-enabled product
- Room for necessary extras
- Door preparation must match
- Finish and bundle prices vary
Tapo DL110 Fingerprint Smart Door Lock View on Amazon
| Exact model | DL110 fingerprint version; not DL100 keypad-only price |
|---|---|
| Access | Fingerprint, passcode, app, Bluetooth and backup keys |
| Power | Rechargeable battery arrangement |
| Budget | Near cap; doorbell bundle is a separate higher price |
The DL110 is the alternative for someone who wants the documented Tapo access methods and rechargeable battery arrangement. The selected fingerprint version is listed at $149.99. The much lower keypad-lock price on the same product selector belongs to a different model, so do not apply it to DL110. Confirm the installation dimensions, handing process and door alignment before ordering. Battery-life claims depend on use and connection conditions, so plan a charging routine rather than relying on a maximum figure. A doorbell bundle is a separate purchase. Check the supported smart-home integrations explicitly instead of inferring Matter or HomeKit from Wi-Fi support.
- Several access methods
- Backup keys documented
- Rechargeable battery setup
- At the budget ceiling
- Nearby selector prices refer to other products
Tapo DL100 Keyless Wi-Fi Deadbolt View on Amazon
| Exact model | DL100; keypad-focused model |
|---|---|
| Access | Keypad, nearby Bluetooth, app Wi-Fi and backup keys |
| Power | AA battery design |
| Feature limit | No fingerprint reader assumed |
The DL100 is the budget comparison for a door that fits when a keypad and app access solve the problem without fingerprint unlocking. Tapo’s checked offer showed $59.98, with a $69.99 regular reference. Verify that the selected item is the complete single lock and check included batteries and installation hardware. For guest access, learn how to create, expire and remove codes in the supported app rather than sharing one permanent household code with everyone. Test the bolt’s free movement with the door open and closed as directed during setup. A lower price is useful only when the mechanical installation and everyday backup access work reliably.
- Lower documented price
- Keypad and app functions
- Physical backup keys
- No biometric access assumed
- Battery and door-fit checks remain necessary
Buying Guide: Choosing Smart Lock Under $150
Comparison Table
| Product | Price Guidance | Best For | Key Difference | Buy |
|---|---|---|---|---|
| eufy Smart Lock C220 | Official selected US collection reference: about $100 | A fingerprint deadbolt with Wi-Fi app control | A lower-priced fingerprint option when the door fits. | Check |
| Tapo DL110 Fingerprint Smart Door Lock | Official selected reference: $149.99 | A Tapo-based fingerprint and keypad setup | Fingerprint, keypad and app access in a specific full-lock package. | Check |
| Tapo DL100 Keyless Wi-Fi Deadbolt | Official selected reference: $59.98; regular $69.99 | Lower-cost keypad and app access | A budget option when fingerprint unlocking is unnecessary. | Check |
Frequently Asked Questions
Will any smart deadbolt fit my door?
No. Match the exact installation dimensions and mechanical arrangement.
Does DL100 have a fingerprint reader?
No fingerprint function is assumed for the selected keypad model.
Is DL110 the $59.98 item in the selector?
No. That lower reference belongs to DL100; DL110 is a separate fingerprint model.
Does Wi-Fi imply HomeKit or Matter?
No. Verify the named integration for the exact lock.
Is installation included in these prices?
No. The references cover the selected product package.
Can I ignore a sticking bolt once the motor works?
No. Follow installation guidance and correct mechanical alignment.
Final Verdict
Compare C220 for a lower-priced fingerprint lock, DL110 for the documented rechargeable Tapo arrangement, or DL100 when keypad access is enough. Buy only after checking the door template, complete package and backup entry routine.