# Rune Crunch vs Bubble Sort Merge

The clearest difference is in-app purchases: Bubble Sort Merge at none against Rune Crunch's 10. Rune Crunch's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Rune Crunch sells 10 one-off in-app purchases. Bubble Sort Merge asks for nothing beyond the download.

Rune Crunch ships an update every 3 weeks, Bubble Sort Merge every 10 days. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Rune Crunch | Bubble Sort Merge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 115 MB | 396 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [New Paradigm Applications LLC](https://appshunter.io/developer/1619619229) | [META KINGDOM LIMITED](https://appshunter.io/developer/1629613295) |

## What reviewers say

### Rune Crunch

[App page](https://appshunter.io/ios/app/rune-crunch/id6745241998)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Norns Background | $0.59 | one-time |
| Balder Background | $0.59 | one-time |
| Tyr Background | $0.59 | one-time |
| Jormungandr Background | $0.59 | one-time |
| Idunn Background | $0.59 | one-time |
| Sif Background | $0.59 | one-time |
| Freyja Background | $0.59 | one-time |
| Fenrir Background | $0.59 | one-time |
| Nidhogg Background | $0.59 | one-time |
| All Game Background | $3.99 | one-time |


### Bubble Sort Merge

[App page](https://appshunter.io/ios/app/bubble-sort-merge/id6777954843)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rune Crunch free?

Rune Crunch is free to download, with in-app purchases available.

### Is Bubble Sort Merge free?

Bubble Sort Merge is free to download, with no in-app purchases.

### Do Rune Crunch or Bubble Sort Merge have ads?

Bubble Sort Merge shows ads; Rune Crunch does not.

### Which is updated more often, Rune Crunch or Bubble Sort Merge?

Rune Crunch ships an update every 3 weeks, and Bubble Sort Merge every 10 days. Most recently, Rune Crunch was updated on October 19, 2026 and Bubble Sort Merge on October 18, 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.*