# Bubble Drop vs Brain Blocks Challenge

The clearest difference is in-app purchases: Bubble Drop at none against Brain Blocks Challenge's 1. Bubble Drop also leads on iOS requirement (9.0 vs 12.0). Brain Blocks Challenge's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Brain Blocks Challenge sells 1 one-off in-app purchase. Bubble Drop asks for nothing beyond the download.

Bubble Drop ships an update every 5 months, Brain Blocks Challenge every 7 months. The most recent releases landed on October 31, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Bubble Drop | Brain Blocks Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 months** | Every 7 months |
| Size | 13 MB | 68 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GASP Mobile Games Inc](https://appshunter.io/developer/502025155) | [Botan Sahin](https://appshunter.io/developer/1593059777) |

## What reviewers say

### Bubble Drop

[App page](https://appshunter.io/ios/app/bubble-drop-lite/id508046998)

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

**In-app purchases:** none


### Brain Blocks Challenge

[App page](https://appshunter.io/ios/app/brain-blocks-challenge/id1671997951)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Bubble Drop free?

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

### Is Brain Blocks Challenge free?

Brain Blocks Challenge is free to download, with in-app purchases available.

### Do Bubble Drop or Brain Blocks Challenge have ads?

Bubble Drop shows ads; Brain Blocks Challenge does not.

### Which is updated more often, Bubble Drop or Brain Blocks Challenge?

Bubble Drop ships an update every 5 months, and Brain Blocks Challenge every 7 months. Most recently, Bubble Drop was updated on October 31, 2026 and Brain Blocks Challenge on November 3, 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.*