Smart doorbells by connectivity

anyfree

Video Doorbell Wireless with Chime,Supports 2.4/5GHz WiFi Do...

Quirky pull-cord cam with solid features but some quirks

ieGeek

Doorbell Camera Wireless, No Monthly Fee, 180° Head to Toe V...

A budget wireless video doorbell that mostly gets the basics right

XTU

Wireless WiFi Video Doorbell Camera, 2K HD Smart Video Door...

A cheap 2K cam that mostly gets the job done

ieGeek

Doorbell Camera Wireless No Monthly Fee, 2K HD Video Doorbel...

A no-subscription 2K doorbell that mostly just works

Defender

Video Doorbell - Smart Wireless Video Doorbell Camera with C...

A no-subscription camera that mostly gets the job done

EZVIZ

4K AI Smart Peephole Camera Wireless Door Viewer, Facial Rec...

A solid upgrade if you hate wired doorbells

EZVIZ

4K AI Smart Peephole Camera Wireless Door Viewer, Facial Rec...

A sharp wireless door viewer that’s good but not cheap

ANJIELO SMART

Tuya Video Doorbell Apartment Intercom System,WiFi 7 Inch To...

A packed smart intercom if you’re not scared of wiring

Multi-Family Building 7" Wifi Tuya Smart Video Intercom For...

Budget smart doorbell for small apartment blocks

Ring Doorbell Multi-Family Building 7" Wifi Tuya Smart Video...

A decent wired intercom if you’re ready to tinker

Multi-Family Building 7" Wifi Tuya Smart Video Intercom For...

Decent wired doorbell for apartments if you’re ready to tinker

2.4G WiFi Video Doorbell for Apartment Peephole Camera 4.3-i...

A cheap wired-style viewer with smart tricks (and some rough edges)