# Blob Pop Yo vs Stack Star

The clearest difference is update cadence: Blob Pop Yo at every 9 days against Stack Star's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Blob Pop Yo sells 8 one-off in-app purchases and Stack Star sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Blob Pop Yo ships an update every 9 days, Stack Star every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Blob Pop Yo | Stack Star |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stack-star-color-sort/id6770474297/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 120 MB | 361 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [King Wai Chan](https://appshunter.io/developer/1840556228) | [Moonstep Games](https://appshunter.io/developer/1827009450) |

## 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 |


### Stack Star

[App page](https://appshunter.io/ios/app/stack-star-color-sort/id6770474297)

A satisfying puzzle game where players strategically move colorful blocks between columns to organize them by color. It offers hundreds of handcrafted logic puzzles with simple-to-learn yet challenging gameplay that rewards careful planning.

**Highlights:** Unique color stacking gameplay, Organize blocks by color, Hundreds of logic puzzles, Easy to learn, challenging to master, Smooth animations, Discover new mechanics

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| Star Bundle | $4.99 | one-time |
| No Ads | $7.99 | one-time |
| Super Bundle | $9.99 | one-time |
| Mega Bundle | $19.99 | one-time |
| 25000 Coins | $29.99 | one-time |
| Giant Bundle | $49.99 | one-time |
| 50000 Coins | $59.99 | one-time |
| 100000 Coins | $89.99 | one-time |
| Ultimate Bundle | $99.99 | one-time |


## Frequently asked questions

### Is Blob Pop Yo free?

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

### Is Stack Star free?

Stack Star is free to download, with in-app purchases available.

### Do Blob Pop Yo or Stack Star have ads?

Both Blob Pop Yo and Stack Star show ads.

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

Blob Pop Yo ships an update every 9 days, and Stack Star every 3 weeks. Most recently, Blob Pop Yo was updated on October 30, 2026 and Stack Star on November 5, 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.*