eufy Security Smart Lock C30 vs Zowill Keyless Entry Keypad Deadbolt Lock: Which Keyless Deadbolt Fits the Door

The choice between the eufy Security Smart Lock C30 and the Zowill Keyless Entry Keypad Deadbolt Lock comes down to one question: does the door need app control and built-in WiFi, or does it just need a reliable keypad and a lower price? The eufy Security Smart Lock C30 is the connected pick, with remote control from the phone and no bridge required. The Zowill is the straightforward keypad pick, built around a large pool of user codes and a one-time code feature for guests. Both are keyless deadbolts with auto-lock, and both are rated to a residential hardware grade — the details below separate them.

eufy Security Smart Lock C30

Type: Keypad deadbolt with keyless entry
Connectivity: Built-in WiFi, no bridge required
Control: App remote control
Security grade: BHMA Grade 3
Monthly fee: None
Finish: Black

The eufy Security Smart Lock C30 is the model for the household that wants the door on the network without adding a hub. WiFi is built into the lock itself, so setup means pairing the lock to the app rather than buying and powering a separate bridge. From there, the phone becomes the control surface: checking lock status, sending access to someone at the door, and managing the keypad without walking up to the hardware. The keypad itself stays available for anyone who prefers a code over an app.

The absence of a monthly fee is the part that matters over years of ownership. A smart lock that charges for remote access turns a one-time purchase into a subscription, and the eufy model avoids that entirely. BHMA Grade 3 is the entry tier of the residential hardware scale — appropriate for a front door in a normal home, not a commercial entrance.

Trade-off: Built-in WiFi is convenient but puts more electronics in the lock than a plain keypad deadbolt, so buyers who only ever want to punch a code are paying for connectivity they will not use.

Check the eufy Security Smart Lock C30 on Amazon

Zowill Keyless Entry Keypad Deadbolt Lock

Type: Keypad deadbolt with handles
User codes: 20+ user passwords
Guest access: One-time code
Security features: Anti-peeping password, auto-lock
Alerts: Low battery alert
Security grade: ANSI Grade 3
Finish: Matte Black

The Zowill Keyless Entry Keypad Deadbolt Lock is built for doors that need many codes and no app. More than twenty user passwords covers a family, a rental, a small office or a house with regular visitors, and the one-time code handles the delivery driver or the contractor who needs in once and never again. The anti-peeping password feature lets a code be entered with extra digits around it so an observer cannot read the sequence from the keypad wear or from watching fingers.

The lock ships with handles, which matters more than it sounds: a buyer replacing an older knob-and-deadbolt setup gets a matched matte black set in one box instead of hunting for hardware that fits. Auto-lock closes the door behind the last person out, and the low battery alert gives warning before the keypad goes dark. ANSI Grade 3 is the standard residential rating for this class of hardware.

Trade-off: There is no app and no WiFi here, so remote access, status checks and code management from a phone are simply not part of the package — the keypad is the whole interface.

Check the Zowill Keyless Entry Keypad Deadbolt Lock on Amazon

Side-by-Side Comparison

Specification	eufy Security Smart Lock C30	Zowill Keyless Entry Keypad Deadbolt Lock
Type	Keypad deadbolt, keyless entry	Keypad deadbolt with handles
Connectivity	Built-in WiFi, no bridge required	None stated
App control	Yes, remote control	No
Monthly fee	None	None
User codes	Managed through the lock and app	20+ user passwords
Guest access	App-based sharing	One-time code
Anti-peeping entry	Not stated	Yes
Auto-lock	Yes	Yes
Low battery alert	Not stated	Yes
Security grade	BHMA Grade 3	ANSI Grade 3
Finish	Black	Matte Black
Price tier	Mid-range	Budget

How the Two Keyless Deadbolts Differ

The first dividing line is connectivity. The eufy C30 carries its own WiFi radio, which is why the name says no bridge required — the lock talks to the router directly and the app reaches it from anywhere. The Zowill has no network connection at all, so its capabilities stop at the keypad. For a household that travels, rents out the property or wants to confirm the door is locked without driving back, that difference decides the purchase on its own. For a household that locks up at night and unlocks in the morning, the WiFi adds cost and complexity for a function nobody will touch.

Code management is the second line. The Zowill advertises more than twenty user passwords plus a one-time code, a combination that suits shared entries and short-term guests well. The eufy handles codes too, but its advantage is that codes can be issued and revoked remotely rather than at the keypad. A buyer with a steady roster of the same people will find the Zowill’s approach simpler; a buyer with revolving access needs will prefer managing it from the phone.

Physical hardware is the third. The Zowill ships with handles in matte black, so a full entry-set replacement is one purchase. The eufy C30 is the lock alone in black, which means the existing handle stays or gets sourced separately. Buyers matching an older door should check what is already mounted before ordering either one.

The anti-peeping password on the Zowill and the app-based access on the eufy point at different threat models. The Zowill assumes someone might be watching the keypad; the eufy assumes the owner wants control from a distance. Neither is better in the abstract — they answer different worries.

On grade, BHMA Grade 3 and ANSI Grade 3 sit in the same residential band, so the rating does not separate them. Price tier does: the Zowill sits in budget territory and the eufy in the mid-range, which is roughly what the added WiFi and app stack should cost.

Which Should You Buy?

Choose the eufy Security Smart Lock C30 if: the door needs remote control, the household wants to check or change lock status from a phone, WiFi without a bridge is a priority, and paying once with no monthly fee matters more than the lowest possible price.

Choose the Zowill Keyless Entry Keypad Deadbolt Lock if: the priority is a large set of user codes, one-time codes for visitors, anti-peeping entry and a matched handle set, and the door does not need to be on a network at all.

FAQ

1. Does the eufy Security Smart Lock C30 need a hub or bridge?
   No. The lock has built-in WiFi, and the product name states no bridge is required, so it connects to the home network on its own.

2. Is there a subscription for either lock?
   The eufy C30 is marketed with no monthly fee, and the Zowill is a standalone keypad lock with no connected service to subscribe to. Neither turns into a recurring charge.

3. How many codes does the Zowill lock support?
   The product name states 20+ user passwords, plus a one-time code option for temporary access.

4. Can the Zowill lock be controlled from a phone?
   No. It has no app or WiFi capability listed, so all entry happens at the keypad.

5. What does Grade 3 mean on a deadbolt?
   Both locks carry a Grade 3 residential rating — BHMA on the eufy, ANSI on the Zowill. That is the standard residential tier for this class of hardware, not a commercial grade.

6. Do both locks auto-lock?
   Yes. Auto-lock is listed on both the eufy C30 and the Zowill.

7. Does the Zowill come with a handle?
   Yes. The Zowill is sold with handles in matte black, while the eufy C30 is the deadbolt lock itself.

8. Which lock is better for a rental property?
   The eufy suits rentals where access needs to be issued and revoked remotely. The Zowill suits rentals where a fixed set of codes and one-time guest codes are enough.

Bottom Line

The eufy Security Smart Lock C30 is the stronger pick for most front doors because built-in WiFi, app control and no monthly fee cover the situations a keypad alone cannot — remote access, status checks and code changes from anywhere. The Zowill remains the right answer for a door that only needs codes, a handle set and a budget price.