# UPET vs Robotail

The clearest difference is iOS requirement: Robotail at 12.0 against UPET's 15.0. 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, Robotail monthly. The most recent releases landed on September 26, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | UPET | Robotail |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 183 MB | 143 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UBTECH ROBOTICS CORP](https://appshunter.io/developer/975970176) | [HOMEROBOT LIMITED](https://appshunter.io/developer/1838364185) |

## 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


### Robotail

[App page](https://appshunter.io/ios/app/robotail/id6752230544)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UPET free?

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

### Is Robotail free?

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

### Do UPET or Robotail have ads?

Neither UPET nor Robotail shows ads.

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

UPET ships an update every 6 weeks, and Robotail monthly. Most recently, UPET was updated on September 26, 2026 and Robotail on September 10, 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.*