# Chicken Evolution | Merge vs PIYOMORI DX | chick stack

The clearest difference is in-app purchases: PIYOMORI DX | chick stack at none against Chicken Evolution | Merge's 12. PIYOMORI DX | chick stack also leads on rating (5.0 vs 4.8). Chicken Evolution | Merge's advantage is ratings volume (3K vs 7). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Chicken Evolution | Merge sells 12 one-off in-app purchases. PIYOMORI DX | chick stack asks for nothing beyond the download.

PIYOMORI DX | chick stack holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Chicken Evolution | Merge has 3K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 90% of Chicken Evolution | Merge's written reviews are positive against 93% of PIYOMORI DX | chick stack's.

Chicken Evolution | Merge ships an update every 5 weeks, PIYOMORI DX | chick stack every 2 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Chicken Evolution | Merge | PIYOMORI DX | chick stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3K ratings)](https://appshunter.io/ios/app/chicken-evolution-merge/id1050691440/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/piyomori-dx-chick-stack/id1529449764/reviews)** |
| Number of ratings | **3K** | 7 |
| Positive reviews | 90.4% of reviews | **92.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 156 MB | 311 MB |
| Requires iOS | 15.0 | **14.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Gam.eBB](https://appshunter.io/developer/440964487) |

## What reviewers say

### Chicken Evolution | Merge

[App page](https://appshunter.io/ios/app/chicken-evolution-merge/id1050691440)

Combine chickens to evolve them into curious, exotic, and bizarre forms. Tap chickens to earn coins, buy new creatures, and discover numerous stages and endings in this unique merge and clicker game.

**Highlights:** Combine similar chickens, Discover new chicken forms, Earn chicken poop coins, Buy new creatures, Tap chickens for coins, Multiple stages and endings, Upgrades

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ads removal | $0.99 | one-time |
| pack of rubies | $1.99 | one-time |
| instant coins doubler | $1.99 | one-time |
| small diamond pack | $1.99 | one-time |
| pack of diamonds | $1.99 | one-time |
| small frost gem pack | $1.99 | one-time |
| good diamond pack | $4.99 | one-time |
| big pack of rubies | $5.99 | one-time |
| income doubler | $5.99 | one-time |
| Trinket | $6.99 | one-time |
| starter bundle | $9.99 | one-time |
| great diamond pack | $9.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- 🐓 Cute and entertaining chicken designs
- 💰 Rewarding progression and earning system
- 🕹️ Simple and easy-to-understand mechanics

**What reviewers complain about**

- 🔍 Too many ads interrupting gameplay
- 🕰️ Slow progression and long wait times
- 🔒 Lack of offline/no-wifi functionality
- 🐛 Occasional crashes and freezing issues

**Reported bugs**

- Game freezes when a crate falls
- Unable to progress to new worlds after completing the universe

**Requested features**

- Add more evolution types and planets to explore
- Implement an auto-merge feature to streamline gameplay
- Reduce the frequency and intrusiveness of ads
- Introduce a paid version with no ads or additional content


### PIYOMORI DX | chick stack

[App page](https://appshunter.io/ios/app/piyomori-dx-chick-stack/id1529449764)

A fun puzzle game where you stack cute chicks on a bowl. Easy tap and swipe controls make it accessible to everyone. Compete to stack as many as possible before they fall, with new features like ranking, coins for customization, and a supportive chick companion.

**Highlights:** Tap to make chicks fly, Swipe to rotate and move viewpoint, Stack chicks to prevent falling, Rank system for rewards, Earn coins for customization, Dress up a fellow chick companion, Changeable stage skins

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chicken Evolution | Merge free?

Chicken Evolution | Merge is free to download, with in-app purchases available.

### Is PIYOMORI DX | chick stack free?

PIYOMORI DX | chick stack is free to download, with no in-app purchases.

### Which has better reviews, Chicken Evolution | Merge or PIYOMORI DX | chick stack?

PIYOMORI DX | chick stack is rated higher. Chicken Evolution | Merge averages 4.8 out of 5 from 3K ratings, while PIYOMORI DX | chick stack averages 5.0 from 7 ratings.

### Do Chicken Evolution | Merge or PIYOMORI DX | chick stack have ads?

Both Chicken Evolution | Merge and PIYOMORI DX | chick stack show ads.

### Which is updated more often, Chicken Evolution | Merge or PIYOMORI DX | chick stack?

Chicken Evolution | Merge ships an update every 5 weeks, and PIYOMORI DX | chick stack every 2 months. Most recently, Chicken Evolution | Merge was updated on September 23, 2026 and PIYOMORI DX | chick stack on September 22, 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.*