# GulBolle vs Bubblarium

The clearest difference is in-app purchases: GulBolle at none against Bubblarium's 6. GulBolle also leads on iOS requirement (15.1 vs 17.6). Bubblarium's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads and device support there is nothing between them.

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

GulBolle ships an update every 5 weeks, Bubblarium every 2 weeks. The most recent releases landed on October 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GulBolle | Bubblarium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/bubblarium/id6781827817/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 638 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod, Apple TV | iPhone, iPad, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [Snega AS](https://appshunter.io/developer/1063238087) | [Charles Condron](https://appshunter.io/developer/1877022641) |

## What reviewers say

### GulBolle

[App page](https://appshunter.io/ios/app/gulbolle/id6759843480)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is GulBolle free?

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

### Is Bubblarium free?

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

### Do GulBolle or Bubblarium have ads?

Neither GulBolle nor Bubblarium shows ads.

### Which is updated more often, GulBolle or Bubblarium?

GulBolle ships an update every 5 weeks, and Bubblarium every 2 weeks. Most recently, GulBolle was updated on October 28, 2026 and Bubblarium on October 7, 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.*