# Block Overflow vs Rummy Castle

The clearest difference is in-app purchases: Block Overflow at none against Rummy Castle's 6. Block Overflow also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Rummy Castle sells 6 one-off in-app purchases. Block Overflow asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Block Overflow | Rummy Castle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | Every 2 days |
| Monetization | Free | — |
| Size | 144 MB | 249 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PCA, Inc.](https://appshunter.io/developer/1651172774) | [Haeji Jang](https://appshunter.io/developer/1531494141) |

## What reviewers say

### Block Overflow

[App page](https://appshunter.io/ios/app/block-overflow/id6504907343)

An endless block-stacking game where players build towering structures towards the sky. Test your precision as a single mistake can cause everything to collapse. Embark on a journey into your imagination with this addictive puzzle experience.

**Highlights:** Endless block stacking gameplay, Build towering structures, Precision-based challenges, Imaginative world exploration, Simple one-tap controls

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

**In-app purchases:** none


### Rummy Castle

[App page](https://appshunter.io/ios/app/rummy-castle-number-matching/id6740237113)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Shuffle Skills | $1.99 | one-time |
| 10 Extra Slot Skills | $1.99 | one-time |
| 10 Corgi Skills | $1.99 | one-time |
| 10 Undo Skills | $1.99 | one-time |
| Skill Package | $1.99 | one-time |
| No Ads | $5.99 | one-time |


## Frequently asked questions

### Is Block Overflow free?

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

### Is Rummy Castle free?

Rummy Castle is free to download, with in-app purchases available.

### Do Block Overflow or Rummy Castle have ads?

Rummy Castle shows ads; Block Overflow does not.

### Which is updated more often, Block Overflow or Rummy Castle?

Block Overflow ships an update every 2 days, and Rummy Castle every 2 days. Most recently, Block Overflow was updated on October 25, 2026 and Rummy Castle on October 25, 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.*