# UPET vs CalcifyAI

The clearest difference is review sentiment: CalcifyAI at 100% against UPET's 46%. CalcifyAI also leads on update cadence (every 5 days vs every 6 weeks). UPET's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CalcifyAI sells 3 in-app purchases, starting at $2.99 per 7 days. UPET asks for nothing beyond the download.

UPET ships an update every 6 weeks, CalcifyAI every 5 days. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | UPET | CalcifyAI |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 183 MB | 37 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UBTECH ROBOTICS CORP](https://appshunter.io/developer/975970176) | [Ridham Avaiya](https://appshunter.io/developer/1864814753) |

## 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


### CalcifyAI

[App page](https://appshunter.io/ios/app/calcifyai/id6760530604)

This AI-powered calculator app simplifies complex math problems and data analysis. It offers advanced features for tracking goals and analyzing results, making calculations faster and smarter for users.

**Highlights:** AI-powered calculations, Problem solving, Data analysis, Goal tracking, Smart and fast results

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Monthly | $6.99 | per month |
| Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is UPET free?

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

### Is CalcifyAI free?

CalcifyAI is free to download, with in-app purchases available.

### Do UPET or CalcifyAI have ads?

Neither UPET nor CalcifyAI shows ads.

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

UPET ships an update every 6 weeks, and CalcifyAI every 5 days. Most recently, UPET was updated on September 17, 2026 and CalcifyAI on September 9, 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.*