# Bubblarium vs Catch Flex

The clearest difference is in-app purchases: Catch Flex at none against Bubblarium's 6. Catch Flex also leads on iOS requirement (15.0 vs 17.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Bubblarium sells 6 one-off in-app purchases. Catch Flex asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Bubblarium against 5.0 for Catch Flex. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Bubblarium ships an update every 2 weeks, Catch Flex weekly. The most recent releases landed on September 19, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Bubblarium | Catch Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/bubblarium/id6781827817/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/catch-flex/id6794968958/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 638 MB | 406 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Apple TV | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Charles Condron](https://appshunter.io/developer/1877022641) | [Vilegacy](https://appshunter.io/developer/1817905358) |

## What reviewers say

### Bubblarium

[App page](https://appshunter.io/ios/app/bubblarium/id6781827817)

Immerse yourself in a vibrant underwater world with two distinct play modes. Enjoy a relaxing screensaver experience or engage in a fast-paced arcade challenge. Customize your aquatic environment with various creatures and decorative elements.

**Highlights:** Animated underwater world with diverse sea life, Zen Mode for relaxation and screensaver, Bubble Rush arcade mode with timers and scores, Customizable aquarium with creature toggles, Unlockable difficulty tiers in Bubble Rush, Optional cosmetic and gameplay add-ons

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Game Add On - Submarine Pack | $0.99 | one-time |
| Game Add On - Torpedo Pack | $0.99 | one-time |
| Old Rusty Submarine | $0.99 | one-time |
| Scenery Sub 2 | $0.99 | one-time |
| Shipwreck Scenery | $0.99 | one-time |
| Squid Pack | $0.99 | one-time |


### Catch Flex

[App page](https://appshunter.io/ios/app/catch-flex/id6794968958)

A full-body camera rhythm game where your movements control the action. Play through various challenges, create your own levels, and compete with others, all without touching a button.

**Highlights:** Full-body tracking with a single camera, Gesture-controlled menus, Multiple gameplay mechanics (cut, rings, balls, stomp, slide), Customizable difficulty and no-fail mode, Local split-screen versus mode, Browser-based level editor, Privacy-focused on-device tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubblarium free?

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

### Is Catch Flex free?

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

### Which has better reviews, Bubblarium or Catch Flex?

Bubblarium and Catch Flex are both rated 5.0 out of 5 on the App Store, from 5 and 3 ratings respectively.

### Do Bubblarium or Catch Flex have ads?

Neither Bubblarium nor Catch Flex shows ads.

### Which is updated more often, Bubblarium or Catch Flex?

Bubblarium ships an update every 2 weeks, and Catch Flex weekly. Most recently, Bubblarium was updated on September 19, 2026 and Catch Flex on September 25, 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.*