“The Fi Series 3 is the best GPS dog collar for owners who need real location tracking — LTE coverage and 3-month battery life are decisive advantages”
Is the Fi Series 3 Smart Collar worth it?
The Fi Series 3 Smart Collar ($149-$199) is a top pick with a 8.7/10 consensus score across 11 expert reviews. Experts highlight lte gps tracking — real-time location anywhere with cellular coverage and 3-month battery life on a single charge — best in class. Wirecutter says: "The Fi Series 3 is the best GPS dog collar for owners who need real location tra..." Best for: Active dogs, Large yards and parks, Owners wanting real-time GPS.

Affiliate link — we earn a commission at no extra cost to you
Fi Series 3 Smart Collar
Pet Trackers
SmartHomeExplorer proprietary rating
11 expert sources
The Fi Series 3 Smart Collar earns a SHE Score of 6.7/10, driven by strong value (8.7/10) with room to improve in compatibility breadth (5/10). Based on 11 expert sources and SmartHomeExplorer compatibility analysis.
How we calculate the SHE Score →Expert Consensus: 8.7/10 across 11 sources
Updated:“The Fi Series 3 is the best GPS dog collar for owners who need real location tracking — LTE coverage and 3-month battery life are decisive advantages”
Key Features
- ✓ LTE GPS
- ✓ 3-month battery
- ✓ Under-10-second geofence alerts
- ✓ Activity tracking
Best For
Fi Series 3 Smart Collar vs. the alternatives
How the Fi Series 3 Smart Collar stacks up against other Pet Care options on price, expert consensus, and our proprietary SHE Score.
| Product | Price | Consensus | SHE Score | Works With | Verdict |
|---|---|---|---|---|---|
| Fi Series 3 Smart CollarThis page | $149-$199 | 8.7/10 | 6.7/10 | major smart home platforms | Must Buy |
| Apple AirTag | $29-$39 | 8.4/10 | 6.6/10 | major smart home platforms | Recommended |
| Tractive GPS Dog Tracker | $49-$69 | 8.1/10 | 6.3/10 | major smart home platforms | Recommended |
| Whistle GO Explore | $79-$99 | 7.8/10 | 6.1/10 | major smart home platforms | Recommended |
The Fi Series 3 Smart Collar ($149-$199) earns a 8.7/10 expert consensus and a 6.7/10 SHE Score across 11 sources, versus the Petcube Bites 2 Lite at $27.49 (8.2/10 consensus).
What Experts Agree On
What Experts Love
- ✓ LTE GPS tracking — real-time location anywhere with cellular coverage
- ✓ 3-month battery life on a single charge — best in class
- ✓ Geofence alerts trigger in under 10 seconds
- ✓ Activity and sleep tracking built in
- ✓ Durable, waterproof design rated for active dogs
Common Criticisms
- ✗ $99/year subscription required for LTE GPS features
- ✗ GPS accuracy degrades under heavy tree canopy
- ✗ Collar attachment requires Fi-specific sizing
Tap any pick to check its live July 4th price on Amazon.

Traeger Ironwood 885
$1,189Must BuyView on Amazon
Ooni Volt 2
$699-$799Must BuyView on Amazon
Concept2 RowErg Indoor Rowing Machine
$990Must BuyView on Amazon
Schlage Encode Plus
$319.00Must BuyView on Amazon
ThermoWorks RFX 2-Probe Kit
$275Must BuyView on Amazon
Amazon eero Max 7 Mesh WiFi System (3-Pack)
$1,184.99Must BuyView on Amazon
What The Experts Say
“Best-in-class battery life makes it the only GPS tracker you can forget about charging for months”
Ready to buy the Fi Series 3 Smart Collar?
Check Price on Amazon$149-$199 · 11 expert sources · 8.7/10 consensus
Featured in these buying guides
See how the Fi Series 3 Smart Collar ranks against the full field in our Pet Care buying guides.
Shop similar on Amazon
Comparable Pet Care picks you can buy today — each link goes straight to its current Amazon listing.
Frequently Asked Questions
Is the Fi Series 3 Smart Collar worth it?
The Fi Series 3 Smart Collar earns a 8.7/10 consensus score across 11 expert sources and is rated "Must Buy". At $149-$199, it is best for Active dogs. Wirecutter notes: "The Fi Series 3 is the best GPS dog collar for owners who need real location tracking — LTE coverage and 3-month battery life are ..."
How much does the Fi Series 3 Smart Collar cost?
The Fi Series 3 Smart Collar is priced at $149-$199. With a 8.7/10 score from 11 expert reviews and a "Must Buy" rating, that price represents strong value relative to the ~7.5/10 average for Pet Care products. Prices shift often, so check the live figure before buying.
Who is the Fi Series 3 Smart Collar best for?
The Fi Series 3 Smart Collar is best for Active dogs, Large yards and parks, Owners wanting real-time GPS. Experts rate it "Must Buy" with a 8.7/10 consensus across 11 sources.
How does the Fi Series 3 Smart Collar compare to other Pet Care options?
Among the Pet Care products we have aggregated, the Fi Series 3 Smart Collar ranks above average with a 8.7/10 score. Tom's Guide adds: "Best-in-class battery life makes it the only GPS tracker you can forget about charging for months"
What smart home systems does the Fi Series 3 Smart Collar work with?
The Fi Series 3 Smart Collar works with major smart home platforms. Check the compatibility notes above for any hub dependencies or setup requirements before you buy.
Does the Fi Series 3 Smart Collar need a hub or a subscription?
Some features (such as cloud storage or advanced alerts) need a paid subscription, so confirm which capabilities are gated behind a plan before buying.
What are the best alternatives to the Fi Series 3 Smart Collar?
If the Fi Series 3 Smart Collar ($149-$199, 8.7/10) is not the right fit, the closest alternatives in Pet Care are Apple AirTag, Tractive GPS Dog Tracker, Whistle GO Explore. Compare them on price, ecosystem support, and expert consensus to find your match.
What are the pros and cons of the Fi Series 3 Smart Collar?
The main strengths of the Fi Series 3 Smart Collar are lte gps tracking — real-time location anywhere with cellular coverage and 3-month battery life on a single charge — best in class. The most-cited downside is $99/year subscription required for lte gps features. Overall, 11 expert sources rate it "Must Buy" with a 8.7/10 consensus score.
Sources & Methodology
This review aggregates 11 independent expert reviews into a single consensus score. See how we build consensus scores and the SHE Score methodology.
Expert review sources cited on this page:
Affiliate disclosure: SmartHomeExplorer.com participates in the Amazon Associates program. We earn a commission from qualifying purchases at no extra cost to you. This consensus review is based on 11 independent expert reviews — we did not test this product ourselves. Always verify current prices and availability before purchasing.



