Dog Activity Monitors Comparison

PetFON VS Findster Duo +

We, dog lovers, are always concerned about the safety of our dogs, and the best thing to do is buy them a reliable GPS tracker to be able to locate them anywhere they go. But it sometimes becomes difficult to choose which dog GPS tracker is the best out there and this is why we did the work and found two of the best devices out there to help you choose the best one for your pup. This PetFON VS Findster Duo + comparison will help you see their similarities and differences, and give you an insight on which one might be the better choice for you. Check this out and see what’s in it for you!

Main Features of PetFON and Findster Duo +

PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
  • The PetFON Smart Tracker features a virtual fence called Geo-Fence that lets you customize certain places as a safe zone and danger zone for your dogs.
  • The company has integrated an advanced wireless technology that lets you monitor your dog in urban areas for up to 0.65 miles and in open areas for up to 3.5 miles.
  • PetFON allows for multiple dogs tracking (up to three).
  • PetFON does not require cellular signal or SIM cards for the device to function accordingly.
  • PetFON features its Radar technology which is the one that lets you search and locate your dog without the use of GPS networks.
  • This brand also features real-time tracking of your dogs through their GPS and Glonass technology.
  • PetFon does not require any subscription fees therefore once purchased, you will be able to enjoy the full capacity of this device.
PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
  • The PetFON Smart Tracker features a virtual fence called Geo-Fence that lets you customize certain places as a safe zone and danger zone for your dogs.
  • The company has integrated an advanced wireless technology that lets you monitor your dog in urban areas for up to 0.65 miles and in open areas for up to 3.5 miles.
  • PetFON allows for multiple dogs tracking (up to three).
  • PetFON does not require cellular signal or SIM cards for the device to function accordingly.
  • PetFON features its Radar technology which is the one that lets you search and locate your dog without the use of GPS networks.
  • This brand also features real-time tracking of your dogs through their GPS and Glonass technology.
  • PetFon does not require any subscription fees therefore once purchased, you will be able to enjoy the full capacity of this device.

Comparison: PetFON VS Findster Duo +

Design

PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
PetFON Smart Dog GPS Tracker comes in an elegant box with two modules inside: one for the dog owner (controller) and the other module for your pup (tracker).
PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
PetFON Smart Dog GPS Tracker comes in an elegant box with two modules inside: one for the dog owner (controller) and the other module for your pup (tracker).

Size

PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
Both of the two modules of PetFON Smart Dog Tracker are made from lightweight materials which only makes them weigh about 27.6 grams each, measuring 42 x 42 x 18 mm.
PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
Both of the two modules of PetFON Smart Dog Tracker are made from lightweight materials which only makes them weigh about 27.6 grams each, measuring 42 x 42 x 18 mm.

GPS Feature and Real Time Location (Range, Coverage, Connectivity)

PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
PetFON Smart GPS Dog Tracker uses GPS, WiFi, Bluetooth and Wireless Technologies for a better and more accurate real-time location tracking of your dogs.The long distance wireless technology allows you to track your pups at a range of up to 3.5 miles, but keep in mind that this range is only applicable in open areas.PetFON also features the Radar technology which lets you track your pups even without GPS coverage, which is very useful and convenient, in case you get lost in a place where GPS does not reach.
PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
PetFON Smart GPS Dog Tracker uses GPS, WiFi, Bluetooth and Wireless Technologies for a better and more accurate real-time location tracking of your dogs.The long distance wireless technology allows you to track your pups at a range of up to 3.5 miles, but keep in mind that this range is only applicable in open areas.PetFON also features the Radar technology which lets you track your pups even without GPS coverage, which is very useful and convenient, in case you get lost in a place where GPS does not reach.

Activity /  Fitness Tracker Features

PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
PetFon also features a tracking fitness which monitors your dogs the way how Fitbits work for humans. The device trackers your dog’s steps, distance traveled, and the duration.
PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
PetFon also features a tracking fitness which monitors your dogs the way how Fitbits work for humans. The device trackers your dog’s steps, distance traveled, and the duration.

App

PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
The PetFON app is compatible with any iOS or Android smartphones, and is quite easy to use. The default view will show you the map, you and your dog’s locations, and daily history. PetFON also has a virtual Geo-fence feature and the app lets you set up a safe zone for your pup to enjoy hanging out in and also make changes to your designated safe zones. This device also allows you to track up to three dogs at a time using only one app and one controller and three separate tracking modules for your pups. Although the package only comes with one module each for the dog owner and the pup, you can just buy two more separately.
PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
The PetFON app is compatible with any iOS or Android smartphones, and is quite easy to use. The default view will show you the map, you and your dog’s locations, and daily history. PetFON also has a virtual Geo-fence feature and the app lets you set up a safe zone for your pup to enjoy hanging out in and also make changes to your designated safe zones. This device also allows you to track up to three dogs at a time using only one app and one controller and three separate tracking modules for your pups. Although the package only comes with one module each for the dog owner and the pup, you can just buy two more separately.

Paid Subscription

PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
The best thing about PetFON Smart Dog GPS Tracker is that it does not require any monthly fees for you to be able to fully enjoy the features this wonderful app provides. Once purchased, you are free to use all the features that this brand offers.
PetFON
PETFON Pet GPS Tracker, No Monthly Fee, Real-Time...
The best thing about PetFON Smart Dog GPS Tracker is that it does not require any monthly fees for you to be able to fully enjoy the features this wonderful app provides. Once purchased, you are free to use all the features that this brand offers.

Winner: PETFON

We can say that both of these dog GPS trackers have their ups and downs, but for us, we can clearly see which one is the better device. Findster Duo + is already great on its own as it can also track three dogs at a time as much as PetFON can also do, and another good point for them is the battery strength is very long-lasting. However, PetFON has way better reviews and overall feedback and it’s also a dog GPS tracker does not require monthly fees.

IMPORTANT NOTE: If you found this comparison helpful and decided on buying Petfon, I would highly appreciate if you use my referral link for purchasing. I will receive a small commission at no cost to you. It will keep me motivated to buy expensive dog gadgets, properly test them and provide unbiased reviews.

Author

  • Mark is a Boston University graduate and former electrical engineer. In 2017, he decided to combine his tech knowledge with his love for dogs. He spent a year familiarizing himself with the latest GPS tracking collars, invisible fences, and other hot pet gadgets before he wrote his first product review. After selling Technobark, Mark remained a writer and consultant but spends more time on his other passion now: raising and training his growing family of dogs.

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If you click this link and make a purchase, we earn a commission at no additional cost to you.  2026-06-23

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