# Fi vs PLUS CYCLE ver. EN

The clearest difference is update cadence: Fi at weekly against PLUS CYCLE ver. EN's every 13 months. PLUS CYCLE ver. EN's advantage is iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fi ships an update weekly, PLUS CYCLE ver. EN every 13 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Fi | PLUS CYCLE ver. EN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (42K ratings)](https://appshunter.io/ios/app/fi-gps-dog-tracker/id1438036784/reviews)** | — |
| Number of ratings | **42K** | — |
| Positive reviews | 37.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 13 months |
| Monetization | Free | — |
| Size | 196 MB | 5 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Barking Labs Corp.](https://appshunter.io/developer/1002251935) | [株式会社日本動物高度医療センター](https://appshunter.io/developer/1198058688) |

## What reviewers say

### Fi

[App page](https://appshunter.io/ios/app/fi-gps-dog-tracker/id1438036784)

This app pairs with a smart collar to track your dog's location, monitor their activity and health patterns, and alert you if they leave a designated safe zone. It offers AI-powered insights into your dog's behavior and a lost dog mode for emergencies.

**Highlights:** Real-time GPS dog tracking, Customizable safe zone alerts, Activity and health monitoring, AI behavior insights, Lost Dog Mode, Long battery life collar, Apple Watch integration

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate GPS tracking
- 🔒 Provides peace of mind
- 👍 Helpful customer service
- 🚀 Long battery life
- 👍 Waterproof collar

**What reviewers complain about**

- 🐛 Inaccurate GPS location
- 🔋 Battery drain issues
- 🐛 Unreliable connectivity
- 👎 Intrusive notifications
- 👎 Difficult to cancel subscription

**Reported bugs**

- Collar stops working unexpectedly
- App glitches and crashes
- GPS tracking lags or shows incorrect locations

**Requested features**

- Customizable notification settings
- Offline step/distance tracking
- Ability to edit/delete activity data
- More accurate geofencing options
- Integration with other apps (e.g. Wag)


### PLUS CYCLE ver. EN

[App page](https://appshunter.io/ios/app/plus-cycle-ver-en/id1563347871)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fi free?

Fi is free to download, with no in-app purchases.

### Is PLUS CYCLE ver. EN free?

PLUS CYCLE ver. EN is free to download, with no in-app purchases.

### Do Fi or PLUS CYCLE ver. EN have ads?

Neither Fi nor PLUS CYCLE ver. EN shows ads.

### Which is updated more often, Fi or PLUS CYCLE ver. EN?

Fi ships an update weekly, and PLUS CYCLE ver. EN every 13 months. Most recently, Fi was updated on November 11, 2026 and PLUS CYCLE ver. EN on November 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*