Ring and Arlo need subscriptions for video recording history. Reolink and Wyze offer local microSD storage — no monthly fees ever.
Battery — Install anywhere, no wiring. Lasts 3-6 months per charge. Wired — Never worry about battery, but needs power cable or PoE.
Best value: Wyze Cam v4 at $35 — unbelievable for the price. Best no-subscription: Reolink Argus 4 Pro with 4K and local storage.
Best indoor — Alexa integration, privacy shutter
Best wireless outdoor — no wiring needed
Best no subscription — local storage, 4K
Best budget — incredible at $35
Best premium — 2K HDR with spotlight