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The deadbolt smart lock market in Singapore has matured fast, giving homeowners a growing choice of locks that combine the solid security of a deadbolt with fingerprint, PIN and app access. Deadbolt-style smart locks throw a sturdy bolt into the door frame and are popular for wooden and timber doors, apartment units and homes where owners want proven mechanical security backed by smart convenience. This guide covers the best deadbolt and retrofit smart locks available in Singapore in 2026, how they differ from the push-pull mortise locks common on HDB doors, and how to pick the right one for your door.
We wrote this for owners with a suitable timber or apartment door, renters allowed to fit a retrofit deadbolt, and anyone comparing deadbolt smart locks against traditional mortise units. We prioritised brands with genuine local availability, reliable biometrics in our humidity, and app support that works well here. Prices are indicative SGD ranges that shift with promotions, so confirm the latest, and check your door type and thickness suit a deadbolt before buying. As an independent guide, our recommendations are chosen on merit rather than sponsorship, and while we may earn a small commission from some links, that never buys a place on this list. Treat every figure here as an indicative guide rather than a fixed price: promotions, bundle deals and stock levels all move prices around in Singapore, so always confirm the current cost, the warranty terms and exactly what’s included with a local seller before you commit. A little comparison shopping usually pays off, especially during the major sale periods.
What to look for in Singapore
- Confirm your door suits a deadbolt smart lock, since some HDB fire doors and metal gates need a mortise or slim lock instead.
- Consider a retrofit deadbolt smart lock if you rent, as many install over the existing deadbolt without changing the exterior.
- Look for fingerprint or keypad access alongside the app so you’re not reliant on your phone alone.
- Check the lock supports a mechanical key override or emergency power for when the battery runs flat.
- Prefer models with app remote access if you want to grant or revoke PINs for guests and tenants.
- Verify smart-home compatibility, such as HomeKit, Matter or the brand’s own app, if you want automation.
- Ensure the fingerprint sensor and finish are rated for our humidity to avoid misreads and corrosion.
- Prioritise brands with local warranty and service so faults are quickly resolved.
At a glance
| Model | Best for | Key spec | Indicative price | Rating |
|---|---|---|---|---|
| Yale Assure deadbolt range | Overall value | Keypad/fingerprint, deadbolt, key override | $300–$800 | ★★★★★ |
| Aqara U-series retrofit deadbolt | Smart-home users | Fingerprint, app, Matter/HomeKit | $250–$600 | ★★★★★ |
| igloohome deadbolt/mortise | Remote access | Bluetooth PIN, offline algoPIN | $300–$800 | ★★★★☆ |
| Kaadas smart deadbolt | Fingerprint reliability | Fingerprint, PIN, card | $400–$900 | ★★★★☆ |
| Philips smart deadbolt | Fuss-free reliability | Fingerprint, PIN, key override | $400–$900 | ★★★★☆ |
The picks
Editor’s Choice
Yale Assure deadbolt range
Yale’s Assure deadbolt locks are among the most established deadbolt smart locks sold in Singapore, pairing a solid bolt with keypad or fingerprint access and a reliable key override. The brand’s reputation and local servicing make it an easy, safe recommendation. For most suitable doors, this is the deadbolt to start with.
Pros
- Established, trusted brand
- Solid deadbolt with key override
- Good local servicing
Cons
- Not suitable for every HDB door type
- Premium models cost more
Best for Smart Homes
Aqara U-series retrofit deadbolt
Aqara’s U-series retrofit deadbolt locks fit over an existing deadbolt and add fingerprint access plus strong smart-home integration through Matter and HomeKit. They are ideal for renters and tech-savvy owners who want automation without replacing the whole lock. Excellent value for a connected setup.
Pros
- Retrofit-friendly for renters
- Strong Matter/HomeKit integration
- Good value with fingerprint access
Cons
- Needs a compatible existing deadbolt
- Best within a smart-home ecosystem
Best for Remote Access
igloohome deadbolt/mortise
This Singapore-born brand offers deadbolt and mortise smart locks built around offline Bluetooth PINs, letting you grant time-limited codes to guests, cleaners or tenants without wiring. The algoPIN system works even offline. Ideal for rentals and shared-access homes.
Pros
- Home-grown SG brand and support
- Remote PIN sharing without wiring
- Works fully offline
Cons
- Fewer biometric options on some models
- Bluetooth range limits live monitoring
Best for Fingerprint Reliability
Kaadas smart deadbolt
Kaadas brings its quick, humidity-tolerant fingerprint sensors to deadbolt-style locks, with PIN and card access rounding out the options. The wide local dealer network keeps servicing painless. A dependable choice if fast, reliable fingerprint access is your priority.
Pros
- Reliable fingerprint in humidity
- Multiple access methods
- Strong local dealer support
Cons
- Fit depends on your door type
- Feature set varies by model
Best for Fuss-Free Reliability
Philips smart deadbolt
Philips deadbolt-style locks keep things simple and dependable, with fast fingerprint, a solid PIN keypad and a mechanical key override for peace of mind. They are a set-and-forget option for owners who want proven security without fiddling with apps. Servicing through Philips channels here is straightforward, which adds to their appeal for households that just want the door to work every time.
Pros
- Reliable everyday fingerprint and PIN
- Key override for backup
- Recognised brand with SG service
Cons
- Limited smart-app features
- Fit depends on door type
The verdict
In Singapore’s growing deadbolt smart lock market, the Yale Assure range is the safest all-rounder for suitable doors, while Aqara’s retrofit U-series is the best value for renters and smart-home users.
Frequently asked questions
What is a deadbolt smart lock?
It’s a smart lock that throws a solid bolt into the door frame for security, unlocked by fingerprint, PIN, app or key. It differs from the push-pull mortise locks common on HDB doors, and suits many timber and apartment doors.
Can I fit a deadbolt smart lock on an HDB door?
It depends on your door. Some HDB timber doors accept a deadbolt lock, but fire doors and metal gates often need a mortise or slim lock instead. Have an installer assess your door type and thickness first.
Are retrofit deadbolt smart locks good for renters?
Yes, retrofit models like Aqara’s U-series fit over your existing deadbolt without changing the exterior hardware, making them ideal for renters who can’t modify the door permanently.
Do deadbolt smart locks work with HomeKit or Matter?
Some do. Aqara’s U-series supports Matter and HomeKit for automation, while other brands rely on their own apps. Check compatibility if smart-home integration matters to you.
Which deadbolt smart lock is best value in Singapore?
Yale’s Assure range offers the best balance of proven security and local support, while Aqara’s retrofit deadbolt is the smart-home value pick, especially for renters.
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