From basic cat flaps to cutting-edge smart cat doors with AI prey detection, we've reviewed them all to help you make the right choice.
See our definitive 2026 rankings below.
Most consumers use Microsoft 365 . You pay monthly; you get new features every month; the icons change; the ribbon moves. It is the SaaS (Software as a Service) nightmare for anyone who just wants to type a letter without a Copilot popup asking to "enhance your tone."
Office LTSC for Mac v16.54 is the software equivalent of a vinyl record. Beautiful. Static. Out of print. And increasingly dangerous to plug into a modern system unless you know exactly what you are doing. Microsoft Office LTSC for Mac 2021 v16.54.zip
With the LTSC 2021 v16.54 release, the core apps received specific updates that differentiated them from the 2019 predecessor. Most consumers use Microsoft 365
The path to a reliable AI cat flap is strewn with failures. These projects serve as cautionary tales in a market that's hard to get right.
Overpromised on Kickstarter and failed to deliver. The project appears to be abandoned.
The company behind the original KittyFlap product went out of business due to failures with delivery and customer service.
Don't need prey detection? These cat doors keep out neighborhood cats by reading your pet's existing microchip. Here's the undisputed leader.
For multi-cat homes, the SureFlap DualScan is a fantastic choice. It allows you to set exit permissions for each cat, keeping specific pets indoors while others are free to roam. It's the perfect solution for homes that don't need advanced AI capabilities but still want robust control and security.
For completeness, if you just need a simple, non-electronic flap, these are reliable options for those on a tight budget without concerns about strays or prey.
A durable and popular choice for years, the Cat Mate offers simple 4-way locking (in only, out only, open, locked) to control your pet's access. It's a straightforward, no-frills solution that gets the job done reliably without the need for batteries or microchips.