# Bubble Pop Quest vs DropOS

The clearest difference is update cadence: DropOS at every 6 days against Bubble Pop Quest's every 2 months. 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.

Bubble Pop Quest ships an update every 2 months, DropOS every 6 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Bubble Pop Quest | DropOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dropos-marble-machine/id6788594506/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 8 MB | 70 MB |
| Requires iOS | **17** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zandar Mohamed](https://appshunter.io/developer/1894790495) | [LaunchKitOS](https://appshunter.io/developer/6820402257) |

## What reviewers say

### Bubble Pop Quest

[App page](https://appshunter.io/ios/app/bubble-pop-quest/id6763962597)

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

**In-app purchases:** none


### DropOS

[App page](https://appshunter.io/ios/app/dropos-marble-machine/id6788594506)

Engage in a physics-based puzzle game where you strategically drop marbles into a contraption. Plan the sequence of drops to guide each marble into its matching bin, with each marble's passage altering the machine for the next.

**Highlights:** Physics-based contraption puzzles, Strategic marble dropping, 100 hand-designed levels, Weekly leaderboard, Earn in-game cogs, Bonus brass pin board

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Pop Quest free?

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

### Is DropOS free?

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

### Do Bubble Pop Quest or DropOS have ads?

Neither Bubble Pop Quest nor DropOS shows ads.

### Which is updated more often, Bubble Pop Quest or DropOS?

Bubble Pop Quest ships an update every 2 months, and DropOS every 6 days. Most recently, Bubble Pop Quest was updated on October 25, 2026 and DropOS on October 31, 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.*