Verdict: Litter-Robot 4 outperforms the discontinued Frisco Open Top on every automated metric with its 2022-07 release, $649 MSRP, OmniSense system, and app features per product specs. The Frisco offers only basic manual cleaning with a removable rim in BPA-free plastic but lacks any monitoring or odor control. Litter-Robot 4 is the clear winner for reducing daily litter maintenance.
Winner: Litter-Robot 4
Frisco Open Top Cat Litter Box: 3.5/10
Litter Robot 4: 8.5/10
| Frisco Open Top Cat Litter Box | Litter Robot 4 | |
|---|---|---|
| Type | Open-top manual | Self-cleaning automatic |
| Cleaning Method | Manual scooping | OmniSense sifting with real-time monitoring |
| Connectivity | None | Wi-Fi app control |
| Material | BPA-free recyclable plastic | Durable plastic with odor neutralization |
Our pick: Litter-Robot 4.
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