# Sifted Paws > Research-based automatic litter box reviews and comparisons focused on cat fit, safety documentation, app dependence, litter compatibility, ownership friction, support, and transparent sourcing. Primary URL: https://sifted-paws.pages.dev/ Editorial team: Sifted Paws Editorial Team Editorial approach: desk research; no hands-on testing is claimed unless explicitly stated on a page. Affiliate disclosure: Sifted Paws participates in Amazon Associates and may earn from qualifying purchases. ## Start here - https://sifted-paws.pages.dev/answers — concise answers to common automatic litter box questions - https://sifted-paws.pages.dev/best-automatic-litter-boxes — recommendations by buyer priority - https://sifted-paws.pages.dev/compare — AS11 vs Litter-Robot 4 vs PETKIT PuraMax 2 vs Neakasa M1 Plus - https://sifted-paws.pages.dev/reviews — research-based product review index - https://sifted-paws.pages.dev/buying-guide — how to choose by cat fit, safety, app needs and ownership burden - https://sifted-paws.pages.dev/safety — automatic litter box safety checklist - https://sifted-paws.pages.dev/methodology — research methodology and sourcing standards ## Specific questions - https://sifted-paws.pages.dev/automatic-litter-box-without-app — app-free and app-optional choices - https://sifted-paws.pages.dev/automatic-litter-box-for-large-cats — fit guidance for large cats - https://sifted-paws.pages.dev/automatic-litter-box-for-multiple-cats — multi-cat considerations - https://sifted-paws.pages.dev/open-top-vs-enclosed — open-top vs enclosed designs - https://sifted-paws.pages.dev/automatic-litter-box-costs — total ownership cost categories - https://sifted-paws.pages.dev/how-to-transition-cat — gradual transition plan - https://sifted-paws.pages.dev/as11-safety — AS11 sensor/safety research and uncertainty - https://sifted-paws.pages.dev/as11-compatible-litter — AS11 litter compatibility - https://sifted-paws.pages.dev/as11-vs-neakasa-m1-plus — open-top model comparison ## Product reviews - https://sifted-paws.pages.dev/as11-autoscooper-review - https://sifted-paws.pages.dev/litter-robot-4-review - https://sifted-paws.pages.dev/petkit-puramax-2-review - https://sifted-paws.pages.dev/neakasa-m1-plus-review ## Trust and policies - https://sifted-paws.pages.dev/editorial-team - https://sifted-paws.pages.dev/editorial-policy - https://sifted-paws.pages.dev/scoring-methodology - https://sifted-paws.pages.dev/affiliate-disclosure