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SureFlap (Sure Petcare)
SureFlap Microchip Pet Door (Large, for Cats & Small Dogs)
$278.25Cheaper
Best Electronic Pet Doors · head-to-head
SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) vs PetSafe SmartDoor Connected Electronic Pet Door
A sourced, side-by-side comparison. SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) is cheaper at $278.25. Every spec and price links to its source.
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PetSafe
PetSafe SmartDoor Connected Electronic Pet Door
$349.99
Which is better: the SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) or PetSafe SmartDoor Connected Electronic Pet Door?
On the specs we track, they're closely matched. The SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) is the cheaper at $278.25.
See SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) on Amazon See PetSafe SmartDoor Connected Electronic Pet Door on Amazon
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) | PetSafe SmartDoor Connected Electronic Pet Door |
|---|---|---|
| US price | $278.25 | $349.99 |
| Brand | SureFlap (Sure Petcare) | PetSafe |
| Released | — | — |
| Activation type | Microchip (reads pet's implanted RFID microchip; works with all common microchips worldwide); includes 1 RFID collar tag for non-microchipped pets | Pet Door Key (collar tag) on both sizes, or microchip (Medium size only; reads FDX-B/15-digit, FDX-A/10-digit, AVID H, and AVID Encrypted formats) |
| Flap opening | 7.5 in W x 6 11/16 in H | Medium 7.1 in W x 7.8 in H; Large 11.9 in W x 16.1 in H |
| Door wall thickness | — | Non-metal doors up to 2 1/4 in thick; metal doors up to 1 3/4 in with adaptor; multi-pane glass up to 1 3/4 in (Medium only) |
| Battery type | 4 x C-cell (not included); up to 12 months life, low-battery indicator | Medium: 4 x C-cell alkaline; Large: 4 x D-cell alkaline (or optional SmartDoor Power Adaptor, sold separately) |
| Locking modes | Manual lock with in-only setting, selective exit permissions, plus curfew (lock/unlock at scheduled times) | Remote lock/unlock via My PetSafe app, multi-point locking mechanism, individual per-pet schedules |
| Pets supported max | 32 | — |
| Weatherproofing | — | Dynamic weather sealing |
| Curfew timer | Yes | Yes |
Sources — SureFlap Microchip Pet Door (Large, for Cats & Small Dogs): surepetcare.com (verified 2026-08-05). PetSafe SmartDoor Connected Electronic Pet Door: petsafe.com (verified 2026-08-05).
What's the difference between the SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) and PetSafe SmartDoor Connected Electronic Pet Door?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Activation type: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) Microchip (reads pet's implanted RFID microchip; works with all common microchips worldwide); includes 1 RFID collar tag for non-microchipped pets vs PetSafe SmartDoor Connected Electronic Pet Door Pet Door Key (collar tag) on both sizes, or microchip (Medium size only; reads FDX-B/15-digit, FDX-A/10-digit, AVID H, and AVID Encrypted formats)
- Flap opening: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) 7.5 in W x 6 11/16 in H vs PetSafe SmartDoor Connected Electronic Pet Door Medium 7.1 in W x 7.8 in H; Large 11.9 in W x 16.1 in H
- Battery type: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) 4 x C-cell (not included); up to 12 months life, low-battery indicator vs PetSafe SmartDoor Connected Electronic Pet Door Medium: 4 x C-cell alkaline; Large: 4 x D-cell alkaline (or optional SmartDoor Power Adaptor, sold separately)
- Locking modes: SureFlap Microchip Pet Door (Large, for Cats & Small Dogs) Manual lock with in-only setting, selective exit permissions, plus curfew (lock/unlock at scheduled times) vs PetSafe SmartDoor Connected Electronic Pet Door Remote lock/unlock via My PetSafe app, multi-point locking mechanism, individual per-pet schedules