# Hoop Stack Game vs Letter Guru

The clearest difference is iOS requirement: Hoop Stack Game at 11.0 against Letter Guru's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Hoop Stack Game sells 5 one-off in-app purchases and Letter Guru sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Hoop Stack Game ships an update every 3 months, Letter Guru every 6 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Hoop Stack Game | Letter Guru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (27 ratings)](https://appshunter.io/ios/app/hoop-stack-game-color-sort/id1591877039/reviews)** | — |
| Number of ratings | **27** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 91 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rolling Panda](https://appshunter.io/developer/1291830680) | [NEW BILISIM](https://appshunter.io/developer/1506051994) |

## What reviewers say

### Hoop Stack Game

[App page](https://appshunter.io/ios/app/hoop-stack-game-color-sort/id1591877039)

Engage your mind with this addictive color sorting puzzle game. Strategically stack colorful hoops onto towers, matching colors to solve increasingly challenging levels. Enjoy a relaxing yet mentally stimulating experience with over 1000 unique levels and helpful boosters.

**Highlights:** Color ring stacking gameplay, Over 1000 unique levels, Undo, Shuffle, and Add Tower boosters, No time limit, Qualitative graphics and sound, Simple and user-friendly controls

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Coins | $0.99 | one-time |
| 1500 Coins | $1.99 | one-time |
| Remove Banner-Interstitial Ads | $2.99 | one-time |
| 4000 Coins | $3.99 | one-time |
| 20000 Coins | $11.99 | one-time |


### Letter Guru

[App page](https://appshunter.io/ios/app/letter-guru/id6654902802)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 240 Altın | $0.99 | one-time |
| 720 Altın | $1.99 | one-time |
| Reklam Kaldır | $1.99 | one-time |
| 1340 Altın | $2.99 | one-time |
| 2940 Altın | $3.99 | one-time |
| 6240 Altın | $4.99 | one-time |
| 13440 Altın | $5.99 | one-time |


## Frequently asked questions

### Is Hoop Stack Game free?

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

### Is Letter Guru free?

Letter Guru is free to download, with in-app purchases available.

### Do Hoop Stack Game or Letter Guru have ads?

Both Hoop Stack Game and Letter Guru show ads.

### Which is updated more often, Hoop Stack Game or Letter Guru?

Hoop Stack Game ships an update every 3 months, and Letter Guru every 6 months. Most recently, Hoop Stack Game was updated on October 24, 2026 and Letter Guru 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.*