# Bubblo Bubblo vs Sleep Aquarium

Bubblo Bubblo and Sleep Aquarium are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Bubblo Bubblo sells 1 one-off in-app purchase and Sleep Aquarium sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Bubblo Bubblo | Sleep Aquarium |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 151 MB | 19 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [XIAOYING DING](https://appshunter.io/developer/1811309193) | [Takashi Mizuno](https://appshunter.io/developer/1832426578) |

## What reviewers say

### Bubblo Bubblo

[App page](https://appshunter.io/ios/app/bubblo-bubblo/id6745211507)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


### Sleep Aquarium

[App page](https://appshunter.io/ios/app/sleep-aquarium/id6780742952)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Aquarium Plus | $4.99 | one-time |


## Frequently asked questions

### Is Bubblo Bubblo free?

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

### Is Sleep Aquarium free?

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

### Do Bubblo Bubblo or Sleep Aquarium have ads?

Neither Bubblo Bubblo nor Sleep Aquarium 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.*