# Bubbles Gun vs Retro Block Duo

The clearest difference is ads: Bubbles Gun at none against Retro Block Duo's shown. Bubbles Gun also leads on iOS requirement (9.0 vs 17.0). Retro Block Duo's advantage is update cadence (fortnightly vs every 56 months). On price, 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.

Bubbles Gun ships an update every 56 months, Retro Block Duo fortnightly. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Bubbles Gun | Retro Block Duo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/bubbles-gun/id706940904/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 56 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 4 MB | 15 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Amr Labib](https://appshunter.io/developer/706940907) | [咏武 王](https://appshunter.io/developer/486171035) |

## What reviewers say

### Bubbles Gun

[App page](https://appshunter.io/ios/app/bubbles-gun/id706940904)

A bubble-shooting game where players eliminate all bubbles by matching three or more of the same type. Progress through levels by hitting the key bubble to advance.

**Highlights:** Eliminate bubbles by matching three or more, Progress through levels by hitting key bubbles, Cool and simple game design, Enormous number of levels, High score challenge

**Features:** macOS Compatibility

**In-app purchases:** none


### Retro Block Duo

[App page](https://appshunter.io/ios/app/retro-block-duo/id6746492282)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubbles Gun free?

Bubbles Gun is free to download, with no in-app purchases.

### Is Retro Block Duo free?

Retro Block Duo is free to download, with no in-app purchases.

### Do Bubbles Gun or Retro Block Duo have ads?

Retro Block Duo shows ads; Bubbles Gun does not.

### Which is updated more often, Bubbles Gun or Retro Block Duo?

Bubbles Gun ships an update every 56 months, and Retro Block Duo fortnightly. Most recently, Bubbles Gun was updated on October 13, 2026 and Retro Block Duo on October 12, 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.*