Best Wifi Smart Lock Under 100
Browse all smart locks guidesWiFi smart locks under $100 deliver affordable home security with keyless entry, remote smartphone control, and smart home integration. These budget-friendly devices eliminate the hassle of lost keys while offering modern convenience—making advanced security accessible to renters and homeowners alike.
Quick Comparison
| Product | Price | Rating | |
|---|---|---|---|
 Lockzo Smart Lock with Palm Vein, Keyless Entry Door Lock for Front Do... | $66.49 | ★★★★★4.6 | View |
 eufy Security Smart Lock C30, Keyless Entry Door Lock, Built-in WiFi K... | $89.99 | ★★★★3.9 | View |
 Smart Lock - Fingerprint Door Lock with Handle, Keyless Entry Door Kno... | $79.99 | ★★★★★5 | View |
 Fingerprint Door Lock, Keyless Entry Door Lock, Electronic Keypad Dead... | $99.99 | ★★★★★4.7 | 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
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
Smart Lock - Fingerprint Door Lock with Handle, Keyless Entry Door Knob with APP/Fingerprint/IC Card/Digital Code/Key, Electronic Keypad Deadbolt Lock for Home Hotel Bedroom Security, Auto Locks
Fingerprint Door Lock, Keyless Entry Door Lock, Electronic Keypad Deadbolt, Biometric Smart Locks for Front Door, Auto Lock, Anti-Peeking Password, Easy Install, (Bronze)
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
WiFi smart locks transform your front door into a secure, connected entry point you control from anywhere. Unlike Bluetooth-only models, built-in WiFi enables true remote access—lock or unlock for guests, deliveries, or service providers without being home. Key benefits include: Enhanced Security with features like auto-lock, anti-peeping passwords, and BHMA Grade 3 certification; Convenience through multiple entry methods (keypad, fingerprint, app, voice); Smart Home Integration with Alexa and Google Assistant for hands-free control; and Peace of Mind with real-time access logs and instant notifications. Under $100, these locks democratize smart security without monthly fees.
How to choose
1. Verify True WiFi Capability: Confirm "built-in WiFi" or "no bridge required" for app control from anywhere—not just Bluetooth range.2. Prioritize Multiple Entry Methods: Look for keypad + fingerprint + app + physical key backup for maximum flexibility.3. Check Security Certifications: BHMA Grade 3 or ANSI Grade ratings ensure tested durability and pick-resistance.4. Assess Smart Home Compatibility: Alexa/Google Assistant support enables voice commands and automation routines.5. Evaluate Installation Requirements: Standard deadbolt retrofit (DIY-friendly) vs. complex wiring—most under $100 are 30-minute installs with screwdriver.6. Scrutinize Review Volume: A 4.6-star lock with 52 reviews may be less proven than a 3.9-star lock with 1,945 reviews—balance rating against sample size.7. Consider Advanced Features: Palm vein recognition (highly secure), anti-peeking password tech (hides PIN patterns), and auto-lock customization add value.8. Battery Reliability: Look for low-power alerts and long battery life (6-12 months) to avoid lockouts.9. Warranty & Support: Minimum 1-year warranty and responsive customer service matter for budget electronics.
Related Guides
Frequently Asked Questions
Can I install a WiFi smart lock myself or do I need a professional?
Most WiFi smart locks under $100 are designed for DIY installation and can be installed in 15-30 minutes using only a screwdriver. They retrofit onto existing standard deadbolt setups. However, if your door has a non-standard lock or you’re uncomfortable with basic tools, a locksmith can install it for a small fee.
What happens if my WiFi goes down or the lock’s battery dies?
WiFi smart locks include a physical key override as backup—always test it after installation. If WiFi drops, the lock still functions locally via keypad or fingerprint. When batteries run low, you’ll receive app alerts and audible warnings; the lock remains operational for several weeks before complete depletion. Some models have emergency USB-C power ports for temporary power.
Are fingerprint and palm vein recognition secure on budget smart locks?
Yes—budget biometric locks use capacitive sensors that map unique vein patterns or fingerprint minutiae, making them harder to spoof than traditional keys. They store data locally (not in the cloud) with encryption. While premium models may have faster scanners, sub-$100 options still provide reliable, bank-level security suitable for residential use.