Fi Series 3+ Smart Dog Tracker Collar vs Whistle GO Explore GPS Tracker
Side-by-side comparison based on published product information. Check Amazon for current price and availability.
How we evaluate products
We compare published manufacturer specifications, manuals, support policies, and relevant public guidance. We do not present unpublished laboratory or in-home measurements as our own testing.
Features and services can change, so confirm current details with the manufacturer before buying. Affiliate commissions do not determine our editorial criteria.
Use the feature table below to match published specifications to your pet, routine, and support requirements. We do not assign an overall score without retained independent test evidence.
Fi Series 3+ Smart Dog Tracker Collar
Fi
Check Amazon for the current price
Whistle GO Explore GPS Tracker
Whistle
Check Amazon for the current price
Feature comparison
| Feature | Fi Series 3+ Smart Dog Tracker Collar | Whistle GO Explore GPS Tracker |
|---|---|---|
| Battery life | Up to 3 months (low activity) | Up to 20 days |
| Connectivity | LTE-M cellular + multi-constellation GPS | LTE, Wi-Fi, GPS |
| Location accuracy | About 7 ft under clear skies | — |
| Waterproof | IP68 | IPX8 |
| Module weight | 28 g | — |
| Collar sizes | S to XL (11.5 in to 34.5 in neck) | — |
| Subscription | Membership required (12 months included) | Required |
| Weight | — | 1.3 oz |