# KatchU vs EZTrackerOnline

The clearest difference is iOS requirement: EZTrackerOnline at 9.0 against KatchU's 12.0. On price, review sentiment, update cadence and ads there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | KatchU | EZTrackerOnline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/katchu/id1536732409/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 143 MB | 25 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Eview GPS Technology Co., Ltd.](https://appshunter.io/developer/565060665) | [恺龙 张](https://appshunter.io/developer/1230272958) |

## What reviewers say

### KatchU

[App page](https://appshunter.io/ios/app/katchu/id1536732409)

Track your pet's location and activity with smart pet trackers. Set safe zones and receive alerts if your pet leaves them. Monitor daily activity to ensure your pet is safe and engaged.

**Highlights:** Pet tracker setup, Geo-fencing for safe zones, Real-time location tracking, Activity and routine monitoring, Alerts for zone breaches

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### EZTrackerOnline

[App page](https://appshunter.io/ios/app/eztrackeronline/id1585456961)

Monitor and manage GPS trackers in real-time. View historical location data, manage devices, and receive alerts. Requires a registered account for comprehensive tracking.

**Highlights:** Real-time tracking, History playback, Device management, Device alarm, Comprehensive management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KatchU free?

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

### Is EZTrackerOnline free?

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

### Do KatchU or EZTrackerOnline have ads?

Neither KatchU nor EZTrackerOnline shows ads.

### Which is updated more often, KatchU or EZTrackerOnline?

KatchU ships an update every 2 months, and EZTrackerOnline every 2 months. Most recently, KatchU was updated on June 5, 2026 and EZTrackerOnline on September 19, 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.*