# Professor Bubble vs Bubble Classic Doris

The clearest difference is in-app purchases: Bubble Classic Doris at none against Professor Bubble's 1. Bubble Classic Doris also leads on ads (none vs shown) and iOS requirement (6.0 vs 15.6). On price and device support there is nothing between them.

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

## The numbers

| Metric | Professor Bubble | Bubble Classic Doris |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/professor-bubble-1000-stages/id961382415/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 104 MB |
| Requires iOS | 15.6 | **6.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tang Cho man](https://appshunter.io/developer/592719186) | [Vadim Shendrikov](https://appshunter.io/developer/969146966) |

## What reviewers say

### 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 |


### Bubble Classic Doris

[App page](https://appshunter.io/ios/app/bubble-classic-doris-bubble-blast/id1203647035)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Professor Bubble free?

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

### Is Bubble Classic Doris free?

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

### Do Professor Bubble or Bubble Classic Doris have ads?

Professor Bubble shows ads; Bubble Classic Doris does not.

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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.*