# Bubble Drop vs Professor Bubble

The clearest difference is in-app purchases: Bubble Drop at none against Professor Bubble's 1. Bubble Drop also leads on update cadence (every 5 months vs every 11 months) and iOS requirement (9.0 vs 15.6). On price, ads and device support there is nothing between them.

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

Bubble Drop ships an update every 5 months, Professor Bubble every 11 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Bubble Drop | Professor Bubble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/professor-bubble-1000-stages/id961382415/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 months** | Every 11 months |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 14 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GASP Mobile Games Inc](https://appshunter.io/developer/502025155) | [Tang Cho man](https://appshunter.io/developer/592719186) |

## 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


### Professor Bubble

[App page](https://appshunter.io/ios/app/professor-bubble-1000-stages/id961382415)

Clear a laboratory flooded with bubbles by strategically shooting and grouping them by color. Aim carefully, use wall bounces, and clear the board to earn high scores and stars. Over 1000 stages offer a classic arcade puzzle experience.

**Highlights:** 1000+ stages, Strategic bubble popping, Wall bouncing mechanics, Daily bonus, GameCenter support, Various props

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Power Ups Item | $0.99 | one-time |


## Frequently asked questions

### Is Bubble Drop free?

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

### Is Professor Bubble free?

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

### Do Bubble Drop or Professor Bubble have ads?

Both Bubble Drop and Professor Bubble show ads.

### Which is updated more often, Bubble Drop or Professor Bubble?

Bubble Drop ships an update every 5 months, and Professor Bubble every 11 months. Most recently, Bubble Drop was updated on November 6, 2026 and Professor Bubble on November 6, 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.*