Fi
Fi Series 3+
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Best Dog GPS Trackers · head-to-head
Fi Series 3+ vs Jiobit Smart Tag
A sourced, side-by-side comparison. Jiobit Smart Tag is cheaper at $149.99. Every spec and price links to its source.
Jiobit
Jiobit Smart Tag
$149.99
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Fi Series 3+ |  Jiobit Smart Tag |
|---|---|---|
| US price | — | $149.99 |
| Brand | Fi | Jiobit |
| Released | — | — |
| Connectivity type | lte-cellular | bluetooth-cellular |
| Positioning system | gps | — |
| Subscription required | Yes | Yes |
| Monthly fee (USD) | — | — |
| Battery life days | — | 7 |
| Live update interval (s) | — | 10 |
| Weight grams | — | 18 |
| Waterproof rating | IP68 | IPX8 |
| Range miles | — | — |
| Activity tracking | Yes | No |
| Health monitoring | Yes | No |
| Containment fence | No | No |
Sources — Fi Series 3+: fitracking.com (verified 2026-07-13). Jiobit Smart Tag: jiobit.com (verified 2026-07-13).
What's the difference between the Fi Series 3+ and Jiobit Smart Tag?
Where the two actually differ on the specs we track (4 of 12). Matching specs are omitted.
- Connectivity type: Fi Series 3+ lte-cellular vs Jiobit Smart Tag bluetooth-cellular
- Waterproof rating: Fi Series 3+ IP68 vs Jiobit Smart Tag IPX8
- Activity tracking: Fi Series 3+ true vs Jiobit Smart Tag false
- Health monitoring: Fi Series 3+ true vs Jiobit Smart Tag false