Most Affordable Digital Locks in Singapore 2026 — Budget Picks That Work
Finding an affordable digital lock in Singapore doesn’t mean compromising on security or usability. With more smart lock options now priced for budget-conscious homeowners, you can secure your door or gate without breaking the bank. The models below are among the lowest priced digital locks in Singapore, covering both door and gate applications with practical everyday features. Prices reflect current listings on the site and include models designed for HDB, condo, or landed home use.
1. Interlock Mercury X2 — Best Affordable Digital Door Lock
The Interlock Mercury X2 is the most affordable digital door lock available, typically priced around $499 SGD. It focuses on essential smart access such as PIN codes and fingerprint unlocking while maintaining solid build quality and reliability for everyday home use. This makes it ideal for first-time digital lock buyers, renters upgrading from mechanical locks, and HDB or condo residents looking for simple, effective security. The Mercury X2 strikes a strong balance between cost and functionality, positioning it as the number-one budget pick.
Best for: Budget-first homeowners
Door type: Wooden main doors
Why it’s affordable: Entry-level core smart features with reliable daily use
2. Interlock Mercury GD1 — Affordable Glass & Sliding Door Lock
For homes with glass or sliding doors, the Interlock Mercury GD1 Glass Door Lock stands out as one of the most affordable smart solutions. It is priced from around $488 SGD and supports multiple access methods suited to high-traffic or shared spaces. Glass and sliding doors often require specialised lock designs, and the GD1 delivers that capability at a price point typically lower than premium alternatives. Its compact design and compatibility make it an excellent choice for balconies, interior office spaces, or condo sliding entrances.
Best for: Glass/sliding door applications
Door type: Glass panels, sliding frames
Why it’s affordable: Purpose-built lock for non-standard doors without premium pricing
3. Interlock Mercury G1 — Entry-Level Digital Gate Lock
The Interlock Mercury G1 digital gate lock is one of the most affordable options for securing HDB metal gates and similar outdoor units. Listed around $479 SGD, this model offers contactless access with RFID or PIN, delivering everyday convenience and basic anti-tamper protection. For users who want simple, secure access for their gate before upgrading to advanced biometrics, the G1 provides a solid starting point without ballooning costs.
Best for: Budget gate security
Door type: HDB/metal gates
Why it’s affordable: Basic smart access focus for essential gate security
4. Interlock Mercury G2 — Affordable Full-Featured Gate Lock
The Interlock Mercury G2 smart gate lock, priced around $599 SGD, combines biometric tech and traditional access methods tailored to Singapore metal gates. It integrates palm vein & facial recognition, fingerprint, PIN, and RFID card unlock, offering more flexibility than entry-level models while still keeping costs in the affordable range. Especially suited for families or users who want stronger daily access control and more secure gate entry without stepping into premium pricing tiers.
Best for: Feature-rich, budget gate security
Door type: Metal gates
Why it’s affordable: Balanced features with solid performance at mid-budget
5. Gateman G-Touch — Low-Price Alternative Smart Lock
The Gateman G-Touch Rim Lock is among the lowest priced digital locks available in Singapore starting from around $368 SGD. It supports basic smart entry methods like RFID tags or PIN access, making it suitable for homeowners who prioritise cost and simplicity above advanced biometrics. While less feature-rich than the Mercury series, the G-Touch is a strong contender for HDB or rental properties where straightforward access and low price are the primary goals.
Best for: Ultra-budget buyers or rental units
Door type: Standard wooden doors
Why it’s affordable: Simplified access focus with essential smart lock benefits
6. Aqara U100 / U200 — Affordable Smart Door/Gate Combo Options
Aqara offers competitive price points with models like the U100 (around $479 SGD) and U200 (around $499 SGD), both of which support smart home connectivity and versatile access methods. These options appeal to buyers who want app control and ecosystem integration at lower pricing than premium locks. While not purely Interlock branded, these are often among the most budget-friendly smart lock picks available on interlock.com.sg’s wider catalogue.
Best for: Smart home enthusiasts on a budget
Door type: Wooden doors and dual door/gate setups
Why it’s affordable: Price-competitive feature set with app support
Conclusion — Best Affordable Locks for Everyday Security
This curated list highlights the most budget-friendly digital locks available in Singapore for 2026, ranging from entry-level door locks to biometric-capable gate systems. Whether you prioritise core access methods, glass door compatibility, or affordable biometrics, there’s a lock that fits your budget and daily needs without sacrificing security or ease of use.