# Opus vs StudyCat

The clearest difference is in-app purchases: StudyCat at none against Opus's 6. Opus's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Opus sells 6 in-app purchases, starting at $4.99 per month. StudyCat asks for nothing beyond the download.

## The numbers

| Metric | Opus | StudyCat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 57 MB | 21 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tugrul Erdem Dogru](https://appshunter.io/developer/1857249299) | [Jasper Wu](https://appshunter.io/developer/1873448521) |

## What reviewers say

### Opus

[App page](https://appshunter.io/ios/app/opus-pomodoro-focus-timer/id6757388147)

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Collector Edition (Monthly) | $4.99 | per month |
| Collector Edition (Yearly) | $19.99 | per year |
| American Realism | $2.99 | one-time |
| Surrealism | $2.99 | one-time |
| Abstract Art | $2.99 | one-time |
| Opus Pro: Collector Lifetime | $29.99 | one-time |


### StudyCat

[App page](https://appshunter.io/ios/app/studycat-focus-timer/id6758531421)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Opus free?

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

### Is StudyCat free?

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

### Do Opus or StudyCat have ads?

Neither Opus nor StudyCat shows ads.

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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.*