# UPET vs HGsmart

The clearest difference is review sentiment: UPET at 46% against HGsmart's 22%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

UPET ships an update every 6 weeks, HGsmart every 2 months. The most recent releases landed on September 26, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | UPET | HGsmart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (12 ratings)](https://appshunter.io/ios/app/upet-na/id6445803692/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | **46.2% of reviews** | 22.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 183 MB | 128 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UBTECH ROBOTICS CORP](https://appshunter.io/developer/975970176) | [Shenzhen Tahao Technology Co., Ltd.](https://appshunter.io/developer/6776085901) |

## What reviewers say

### UPET

[App page](https://appshunter.io/ios/app/upet-na/id6445803692)

This app works with a smart cat litter box to monitor your cat's health and habits. It offers multi-cat identification, detailed health data management, and customizable smart settings for your litter box.

**Highlights:** Multi-cat identification, Health data management, Customized smart settings, Remote operation visualization, Real-time status viewing, AI intelligent recognition

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### HGsmart

[App page](https://appshunter.io/ios/app/hgsmart/id6469405928)

This app connects with smart pet products to offer comprehensive care solutions. It allows remote control of devices, customization of settings, and real-time monitoring of your pet's health and routine.

**Highlights:** Remote device operation, Customizable working modes, Real-time device monitoring, Pet health data recording, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UPET free?

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

### Is HGsmart free?

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

### Do UPET or HGsmart have ads?

Neither UPET nor HGsmart shows ads.

### Which is updated more often, UPET or HGsmart?

UPET ships an update every 6 weeks, and HGsmart every 2 months. Most recently, UPET was updated on September 26, 2026 and HGsmart on September 20, 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.*