# Bubble Classic Doris vs Shift & Stack

The clearest difference is iOS requirement: Bubble Classic Doris at 6.0 against Shift & Stack's 12.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Bubble Classic Doris | Shift & Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 104 MB | 54 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vadim Shendrikov](https://appshunter.io/developer/969146966) | [eitezaz ahmad](https://appshunter.io/developer/1027303006) |

## What reviewers say

### Bubble Classic Doris

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Shift & Stack

[App page](https://appshunter.io/ios/app/shift-and-stack/id6757802613)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Classic Doris free?

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

### Is Shift & Stack free?

Shift & Stack is free to download, with no in-app purchases.

### Do Bubble Classic Doris or Shift & Stack have ads?

Neither Bubble Classic Doris nor Shift & Stack 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.*