#1
Fi
Series 3
7 positive 0 neutral 3 negative
Based on 10 Reddit mentions
$99.00
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Most discussed features
Sentiment summary across the product areas Reddit users mention most.
Reddit mentions
Original Reddit posts and comments behind this analysis.
Is it just me, or are dog GPS subscriptions kind of ridiculous?
The reason they cost a subscription is because they use cellular to transmit the gps location to your phone. That costs money. There are only 2 on the market that are true LTE/GPS collars, the HALO4 collar, and the Fi series 3/3+. I have a fi series 3, and with an escape artist dog, its worth it, ot
...chubbysumo in r/dogs
July 27, 2025 1:30 PM
25
Reluctantly considering coming back to the brand and picking up a series 3+ just for the battery life. Do current users think its worth it?
See my post on 3+ vs 3 battery lifehttps://www.reddit.com/r/FiDogCollar/s/W3jrCtZ04A Also, I think Bluetooth to phone or base is the most efficient.
wibzoo in r/FiDogCollar
June 12, 2026 4:58 PM
3
Tracking collar recs?
I used to work in a parallel industry. (Software for vet clinics) about 5 years ago, including running the companies referral marketing program. At the time there were two main companies doing cellular connected collars. On paper, the “fi” dog collar was more impressive than the other one.
AdmirableIsopod3270 in r/vizsla
May 9, 2026 11:43 AM
2
what gadget changed your life the most?
“Fi” dog collar. If not for the Fi collar I would have lost my dog when she escaped a broken gate while I was out. The collar alerted me she left the safe zone so I could head home. She managed to get about a mile away and someone picked her up and took her inside. The cellular modem & GPS in the co
...MoarSocks in r/AskReddit
May 21, 2026 8:05 AM
2
