Best Budget Smart Lock
Browse all smart locks guidesFinding a reliable smart lock that won’t break the bank can be tricky. This guide walks you through the most important factors to consider and highlights five top‑rated budget‑friendly models, so you can secure your home with confidence without overspending.
Quick Comparison
| Product | Price | Rating | |
|---|---|---|---|
![]() Lockzo Smart Lock with Palm Vein, Keyless Entry Door Lock for Front Do... | $66.49 | ★★★★★4.6 | View |
![]() FITNATE Fingerprint Door Knob, Biometric Smart Lock with App Control, ... | $57.99 | ★★★★4 | View |
![]() SMONET Smart Lock, Fingerprint Keyless Entry Door Lock Digital Electro... | $82.99 | ★★★★★4.6 | View |
![]() eufy Security Smart Lock C30, Keyless Entry Door Lock, Built-in WiFi K... | $89.99 | ★★★★3.9 | View |
![]() Foxgard Fingerprint Door Lock – 5-in-1 Biometric Smart Lock with Keypa... | $93.49 | ★★★★4.3 | View |






Lockzo Smart Lock with Palm Vein, Keyless Entry Door Lock for Front Door, WiFi Electronic Door Lock with Keypad Deadbolt, Auto Lock, Voice Control, Compatible with Alexa & Google Assistant

FITNATE Fingerprint Door Knob, Biometric Smart Lock with App Control, Keyless Entry Door Knob with Bluetooth Digital Code, Touch to Open Knob for Bedroom,Home,Hotel,Office, Silver

SMONET Smart Lock, Fingerprint Keyless Entry Door Lock Digital Electronic Bluetooth Auto Locks with Touchscreen Keypad, Biometrics Smart Deadbolt Lock, App Control for House and Apartment

eufy Security Smart Lock C30, Keyless Entry Door Lock, Built-in WiFi Keypad Deadbolt for Front Door, No Bridge Required, Easy Installation, App Remote Control, Reliable Power, BHMA Grade 3

Foxgard Fingerprint Door Lock – 5-in-1 Biometric Smart Lock with Keypad, App Control, Key, Auto-Lock, Electronic Anti-Lock – Keyless Entry for Bedroom, Office, Indoor Use – Gold
Why this product type matters
A smart lock replaces traditional keys with keyless entry methods—such as fingerprints, PIN codes, Bluetooth, or voice control—offering convenience, enhanced security, and remote access. Even budget models now include essential features like auto‑lock, tamper alerts, and smartphone integration, making them a worthwhile upgrade for renters and homeowners alike.
How to choose the best budget smart lock
When shopping for a budget‑friendly smart lock, focus on:
- Entry method mix – Fingerprint + keypad + Bluetooth gives flexibility.
- Installation type – Deadbolt vs. door‑knob; deadbolts are more common for front doors.
- Power source – Battery life (6–12 months) and low‑battery alerts are crucial.
- Connectivity – Wi‑Fi or local Bluetooth; Wi‑Fi allows remote control but may cost more.
- Compatibility – Works with Alexa/Google Assistant or Apple HomeKit if you use voice assistants.
- Security certifications – Look for BHMA Grade 2/3 or ANSI rating.
- User reviews & warranty – Higher rating and many reviews (e.g., eufy Security Smart Lock C30 with 1,945 reviews) indicate reliability.
- Price vs. features – Determine which features you truly need; a $57.99 lock with fingerprint and Bluetooth may be sufficient for a bedroom, while a front‑door entry might justify an $89.99 model with Wi‑Fi and voice support.
Top budget picks under $100
- Lockzo Smart Lock with Palm Vein – $66.49, 4.6★, palm‑vein + keypad + Wi‑Fi, Alexa/Google compatible.
- FITNATE Fingerprint Door Knob – $57.99, 4.0★, Bluetooth app + digital code, perfect for interior doors.
- SMONET Smart Lock – $82.99, 4.6★, fingerprint + touchscreen keypad, Bluetooth, good for apartments.
- eufy Security Smart Lock C30 – $89.99, 3.9★, built‑in Wi‑Fi deadbolt, no bridge needed, BHMA Grade 3, strongest security among the five.
- Foxgard Fingerprint Door Lock – $93.49, 4.3★, 5‑in‑1 biometric lock (fingerprint, keypad, app, key, auto‑lock). All these models stay under $100 while delivering essential smart‑lock functionality.
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Frequently Asked Questions
Do budget smart locks require a separate hub?
Most low‑cost models use built‑in Wi‑Fi or Bluetooth, so a separate hub isn’t needed. Only a few require a proprietary bridge, which adds to the cost.
Can I still use a traditional key?
Yes. All the locks listed include a mechanical key override for emergencies or when the battery dies.
How long do the batteries last?
Typical battery life ranges from 6 to 12 months, depending on usage. Look for models that send low‑battery alerts to your phone.
Is installation DIY‑friendly?
Most budget smart locks are designed for easy installation with a standard 5‑inch deadbolt or door‑knob. They come with detailed instructions and require only a screwdriver.
Will the lock work with my existing door?
Check the lock’s specifications for door thickness (usually 1.5‑2.5 in.) and backset (2.5″ or 2.75″). If your door falls within these ranges, the lock should fit without major modifications.