# uSagI Eyes Protect vs PetScale App

The clearest difference is ads: PetScale App at none against uSagI Eyes Protect's shown. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | uSagI Eyes Protect | PetScale App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/petscale-app/id6760725889/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free |
| Size | 78 MB | 42 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [QUY DIEN LE](https://appshunter.io/developer/1745588028) | [Elizabeth Niederman](https://appshunter.io/developer/1879526310) |

## What reviewers say

### uSagI Eyes Protect

[App page](https://appshunter.io/ios/app/usagi-eyes-protect/id6670703258)

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

**In-app purchases:** none


### PetScale App

[App page](https://appshunter.io/ios/app/petscale-app/id6760725889)

This app provides science-backed weight tracking for pets, calculating personalized healthy weight ranges based on species, breed, gender, and age. It offers tools and guidance for pets to reach and maintain their ideal weight, with features like progress charts and appointment reminders.

**Highlights:** Breed & profile-specific weight tracking, Weight history and progress charts, Personalized goal recommendations, Appointment reminders, Supports multiple pet species and breeds, Clean dashboard for weight and appointments

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

**In-app purchases:** none


## Frequently asked questions

### Is uSagI Eyes Protect free?

uSagI Eyes Protect is free to download, with no in-app purchases.

### Is PetScale App free?

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

### Do uSagI Eyes Protect or PetScale App have ads?

uSagI Eyes Protect shows ads; PetScale App does not.

### Which is updated more often, uSagI Eyes Protect or PetScale App?

uSagI Eyes Protect ships an update every 3 weeks, and PetScale App every 3 weeks. Most recently, uSagI Eyes Protect was updated on October 16, 2026 and PetScale App on October 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.*