# Clue Stack vs Math Bubble Jam

The clearest difference is in-app purchases: Clue Stack at none against Math Bubble Jam's 1. Clue Stack also leads on iOS requirement (13.0 vs 15.0). Math Bubble Jam's advantage is update cadence (every 9 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Math Bubble Jam sells 1 one-off in-app purchase. Clue Stack asks for nothing beyond the download.

Clue Stack ships an update every 3 weeks, Math Bubble Jam every 9 days. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Clue Stack | Math Bubble Jam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 243 MB | 189 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GAMEPROMO CO., LIMITED](https://appshunter.io/developer/1619749576) | [MIGMIG DIJITAL PLATFORM ANONIM SIRKETI](https://appshunter.io/developer/1825868534) |

## What reviewers say

### Clue Stack

[App page](https://appshunter.io/ios/app/clue-stack/id6775158548)

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

**In-app purchases:** none


### Math Bubble Jam

[App page](https://appshunter.io/ios/app/math-bubble-jam/id6775815248)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $7.99 | one-time |


## Frequently asked questions

### Is Clue Stack free?

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

### Is Math Bubble Jam free?

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

### Do Clue Stack or Math Bubble Jam have ads?

Both Clue Stack and Math Bubble Jam show ads.

### Which is updated more often, Clue Stack or Math Bubble Jam?

Clue Stack ships an update every 3 weeks, and Math Bubble Jam every 9 days. Most recently, Clue Stack was updated on November 10, 2026 and Math Bubble Jam 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.*