SwitchBot Lock Ultra vs August Wi-Fi: keep the rental deadbolt?

Compare the exact retrofit systems

This is not the earlier SwitchBot Lock Pro, August Smart Lock Pro or a test of break-in resistance. Lock Ultra Vision bundles add different outside controls; those are not silently included in this comparison.

Do the mechanical check before the shopping list

Photograph the interior and exterior hardware for your own records. Identify whether this is a separate single-cylinder deadbolt rather than assuming every thumbturn is the same mechanism. Use the maker’s drawings to check clearance to trim, handle, door edge and any existing chain or swing bar. Ask support about an unlisted lock instead of forcing an adapter.

Check that the existing key and interior control move the bolt smoothly with the door open and closed. A motor should not be used to overcome a rubbing strike or an incorrectly aligned door. Discuss necessary repairs with property management before attaching equipment. Canadian and US lease, building and local requirements differ; a removable accessory does not itself establish approval.

Choose the whole access basket

For household phone access, list the lock and fitting parts first. For remote unlocking, add the exact network path. August’s Wi-Fi model has its connection built in. Ultra requires the supported hub arrangement for the connected functions at issue. Confirm the intended platform and firmware in SwitchBot’s current Matter compatibility guide.

For a cleaner or visiting relative who should not need your app account, check the appropriate keypad and supported temporary-access controls. Count its mounting permission and power supply too. Do not buy a fingerprint or face-recognition bundle solely because the lock headline advertises many unlock methods; a bare motor does not provide every listed method.

Charging changes the fallback routine

August specifies two CR123 cells; use the exact recommended chemistry and replacement instructions. Its advertised battery duration is not a prediction for your door, signal conditions or usage. Budget for appropriate replacements rather than assuming a rechargeable cell with similar dimensions is interchangeable.

SwitchBot documents a rechargeable main pack with a backup pack. Importantly, its support article says automatic locking is temporarily disabled while the main pack charges and the backup is active. That is a concrete household instruction: tell others and check the door deliberately during charging. Backup power does not remove the need to understand manual operation or keep an appropriate physical key accessible. Read Ultra’s charging note.

Investigate owner concerns without inventing a failure rate

August owner discussions raise battery consumption and intermittent connectivity. Those reports identify useful checks: the actual door’s friction, usable signal at the closed door and the phone permissions required by the chosen automatic-unlock feature. They cannot establish a current failure rate or prove another lock performs better.

A recent Home Assistant community request asks for clearer Ultra main/backup battery information. Third-party integration visibility is a separate question from what the manufacturer app reports. Verify the actual warning path you will use. Do not let a dashboard replace the physical-key plan, and do not assume an app’s “locked” report proves the door is securely closed.

US and Canadian costs without a misleading cheap winner

No matched current Canadian and US retailer baskets were verified here, so we do not publish a saving. Compare lock + required adapter + chosen keypad + required hub/controller + initial and replacement batteries + tax/delivery, in one currency at a time.

August’s current direct-store page contains an out-of-stock/notification control; that does not prove every retailer is unavailable, but it makes seller, warranty and exact generation especially important. Compare the actual package rather than the cheapest headline. A keypad already owned is useful only if the manufacturer confirms compatibility with this lock.

Make leaving as manageable as arriving

Before relying on automatic entry, follow the manufacturer’s installation and calibration process and check approved manual/key operation while safe access is maintained. Give household members individual supported access rather than a shared master login. Decide who removes a departing roommate and who keeps the original parts.

When moving, revoke digital access and reset/transfer ownership through the supported process, then restore the original hardware as agreed. Keep screws and adapters labelled. Start the next home’s fit check again. If your only problem is occasionally forgetting keys, a household key routine may be more suitable than adding batteries, accounts and door hardware.

Exact models & regional retailer links

Ordinary Amazon US and Canada links; no affiliate tags or commission. Model searches can include different generations and unrelated offers. A direct link identifies a listing, not current stock, seller authorization or a complete kit. Confirm model, regional power/radio version, contents, warranty and returns.