Fi
Fi Series 3+
—
Best Dog GPS Trackers · head-to-head
A sourced, side-by-side comparison. SpotOn GPS Fence Nova Edition is cheaper at $999. Every spec and price links to its source.
Fi
—
SpotOn
$999
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | | |
|---|---|---|
| US price | — | $999 |
| Brand | Fi | SpotOn |
| Released | — | — |
| Connectivity type | lte-cellular | lte-cellular |
| Positioning system | gps | dual-band-gnss |
| Subscription required | Yes | Yes |
| Monthly fee usd | — | — |
| Battery life days | — | — |
| Live update interval sec | — | — |
| Weight grams | — | — |
| Waterproof rating | IP68 | IP67 |
| Range miles | — | — |
| Activity tracking | Yes | Yes |
| Health monitoring | Yes | No |
| Containment fence | No | Yes |
Sources — Fi Series 3+: fitracking.com (verified 2026-07-13). SpotOn GPS Fence Nova Edition: spotonfence.com (verified 2026-07-13).
Where the two actually differ on the specs we track (4 of 12). Matching specs are omitted.