# Bubble Grotto vs Ocean Flow

The clearest difference is in-app purchases: Bubble Grotto at none against Ocean Flow's 1. Ocean Flow's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ocean Flow sells 1 one-off in-app purchase. Bubble Grotto asks for nothing beyond the download.

Bubble Grotto ships an update every 3 months, Ocean Flow every 3 days. The most recent releases landed on October 28, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Bubble Grotto | Ocean Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 187 MB | 165 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [John McArthur](https://appshunter.io/developer/1833458858) | [Muhammad Bhutta](https://appshunter.io/developer/1814920979) |

## What reviewers say

### Bubble Grotto

[App page](https://appshunter.io/ios/app/bubble-grotto-physics-arcade/id6758051897)

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

**In-app purchases:** none


### Ocean Flow

[App page](https://appshunter.io/ios/app/ocean-flow-connect-puzzle/id6759739852)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Bubble Grotto free?

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

### Is Ocean Flow free?

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

### Do Bubble Grotto or Ocean Flow have ads?

Bubble Grotto shows ads; Ocean Flow does not.

### Which is updated more often, Bubble Grotto or Ocean Flow?

Bubble Grotto ships an update every 3 months, and Ocean Flow every 3 days. Most recently, Bubble Grotto was updated on October 28, 2026 and Ocean Flow on November 4, 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.*