Your Fi Device type determines which features are available to you. See the common differences among Fi products in the chart below.
Feature Comparison Chart
| Features | Series 3+ | Fi Mini | Series 3 | Series 2 |
| Health Insights | Activity, Rest, & enhanced Behavior Tracking using AI | Activity & Rest for dogs and cats Behavior Tracking using AI for dogs |
Activity & Rest Only | Activity & Rest Only |
| AI Insights | Yes | Yes | No | No |
| Apple Watch Integration | Yes | Yes | No | No |
| Waterproof | Yes, rated both IP68 and IP66K | Yes, rated IP68 | Yes, rated both IP68 and IP66K | Yes |
Fi Product Details
Select the applicable tab below to learn more about each Fi Product
Our Fi Series 3+ Membership comes with all the essential tools to help keep your pet safe and connected. It builds on the core features of the Series 3, offering enhanced insights to better understand your pet's behavior and activity. These new features include:
-
AI-Powered Health and Behavior Tracking
- The AI features monitor sleeping, barking, licking, scratching, eating, and drinking patterns, along with counting your pet's steps. You can learn more about these features here.
-
Apple Watch Integration
- With the Fi Apple Watch App, you can receive key insights on your pet's activity and location tracking. You can learn more about the Apple Watch integration here.
The Fi Mini is the first product in the Fi family that is compatible with both dogs and cats! When you purchase a Fi Mini, you will receive the device only. The Fi Mini device is designed to be compatible with most collars/harnesses and is 80% lighter than the Series 3+.
Additionally, dog profiles have AI-Powered Health and Behavior Tracking features. These include:
- Monitoring sleeping, barking, licking, scratching, eating, and drinking patterns, along with counting your dog's steps. You can learn more about these features here.
Additionally, the Fi Mini has an Apple Watch Integration. With the Fi Apple Watch App, you can receive key insights on your pet's activity and location tracking. You can learn more about the Apple Watch integration here.
The chart below highlights the differences between our Fi Mini and Fi Series devices. Please note: The Fi Mini is the only product that is compatible with cats.
| Series Devices | Fi Mini | |
| Comes with a Fi Collar Band |
Yes |
No |
| Comes with a Fi Base |
Yes |
No |
| Charging Method |
Wireless charging on Fi Base |
USB-C Charging |
| LTE Satellite Tracking Provider |
AT&T |
Verizon |
Your Fi Series 3 Membership includes everything you need to keep your pet safe and connected:
- The Fi Series 3: Sleek, durable, and designed for ultimate performance, complete with charging accessories.
- The Fi App: 24/7 location tracking, personalized behavioral insights, and in-depth activity reports.
- Hardware Warranty: Peace of mind, guaranteed.
For Fi Series 2 devices without a membership, the device will still function—but with limited features.
If your pet moves beyond the range of your smartphone, Fi Base or Wi-Fi, their location won't be visible, and you won't be able to activate Original Lost Mode.
We strongly recommend adding a membership to access advanced safety features.
| Feature | Fi Membership | No Fi Membership |
|---|---|---|
| Location When Connected to Base/WiFi | Yes | Yes |
| Location When Connected to Owner (Fi App) | Yes | Yes |
| Walks With Owner | Yes | Yes |
| Detailed Activity and Sleep Tracking | Yes | No |
| Past Health Activity | Yes | No |
| GPS Location | Yes | No |
| Walks Without Owner | Yes | No |
| Notification When Pet Exits Safe Zone | Yes | No |
| Original Lost Mode | Yes | No |