# Nautilus vs SwingCat

The clearest difference is ads: Nautilus at none against SwingCat's shown. SwingCat's advantage is iOS requirement (16.1 vs 18.0). 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.

Nautilus ships an update every 5 days, SwingCat every 9 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Nautilus | SwingCat |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 78 MB |
| Requires iOS | 18.0 | **16.1** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIROTO IGUCHI](https://appshunter.io/developer/1860756373) | [SYNCRAFT](https://appshunter.io/developer/1821469238) |

## What reviewers say

### Nautilus

[App page](https://appshunter.io/ios/app/nautilus-focus-and-app-blocker/id6780439827)

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

**In-app purchases:** none


### SwingCat

[App page](https://appshunter.io/ios/app/swingcat-focus-timer/id6800948890)

This app uses a playful swinging cat animation to help you stay focused during study or work sessions. Complete your focus time to collect more cats and grow your virtual cat world. It offers a gamified approach to productivity and time management.

**Highlights:** Playful swinging cat animation, Collectible cats, Focus session tracking, Customizable focus duration, Detailed focus history, Gamified productivity

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

**In-app purchases:** none


## Frequently asked questions

### Is Nautilus free?

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

### Is SwingCat free?

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

### Do Nautilus or SwingCat have ads?

SwingCat shows ads; Nautilus does not.

### Which is updated more often, Nautilus or SwingCat?

Nautilus ships an update every 5 days, and SwingCat every 9 days. Most recently, Nautilus was updated on October 11, 2026 and SwingCat on October 8, 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.*