# Blob Pop Yo vs Cup Stack Sort

The clearest difference is in-app purchases: Cup Stack Sort at none against Blob Pop Yo's 8. Cup Stack Sort also leads on update cadence (every 2 days vs every 5 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Blob Pop Yo sells 8 one-off in-app purchases. Cup Stack Sort asks for nothing beyond the download.

Blob Pop Yo ships an update every 5 months, Cup Stack Sort every 2 days. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Blob Pop Yo | Cup Stack Sort |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 2 days** |
| Size | 131 MB | 161 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [King Wai Chan](https://appshunter.io/developer/1840556228) | [Ezgi Evrensel](https://appshunter.io/developer/1664776677) |

## What reviewers say

### Blob Pop Yo

[App page](https://appshunter.io/ios/app/blob-pop-yo-3d-block-puzzle/id6752682596)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 250 Crystals | $0.99 | one-time |
| Unlimited Hearts (30 Minutes) | $0.99 | one-time |
| 600 Crystals | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Starter Pack | $4.99 | one-time |
| 1500 Crystals | $6.99 | one-time |
| Permanent Unlimited Hearts | $9.99 | one-time |
| 3500 Crystals | $14.99 | one-time |


### Cup Stack Sort

[App page](https://appshunter.io/ios/app/cup-stack-sort/id6754011809)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blob Pop Yo free?

Blob Pop Yo is free to download, with in-app purchases available.

### Is Cup Stack Sort free?

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

### Do Blob Pop Yo or Cup Stack Sort have ads?

Both Blob Pop Yo and Cup Stack Sort show ads.

### Which is updated more often, Blob Pop Yo or Cup Stack Sort?

Blob Pop Yo ships an update every 5 months, and Cup Stack Sort every 2 days. Most recently, Blob Pop Yo was updated on October 16, 2026 and Cup Stack Sort on October 3, 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.*