# Happy Architect vs Dog Merge Evolution

The clearest difference is in-app purchases: Happy Architect at none against Dog Merge Evolution's 13. Happy Architect also leads on ads (none vs shown) and rating (5.0 vs 4.8). Dog Merge Evolution's advantage is ratings volume (2.7K vs 1) and update cadence (every 2 months vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Dog Merge Evolution sells 13 one-off in-app purchases. Happy Architect asks for nothing beyond the download.

Happy Architect holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Dog Merge Evolution has 2.7K ratings behind it against 1, so its average is the more settled of the two.

Happy Architect ships an update every 4 months, Dog Merge Evolution every 2 months. The most recent releases landed on October 10, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Happy Architect | Dog Merge Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/happy-architect/id1214295611/reviews)** | [4.8 (2.7K ratings)](https://appshunter.io/ios/app/dog-merge-evolution/id1263512097/reviews) |
| Number of ratings | 1 | **2.7K** |
| Positive reviews | — | 92.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 66 MB | 153 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Line Newermann](https://appshunter.io/developer/1035138822) | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) |

## What reviewers say

### Happy Architect

[App page](https://appshunter.io/ios/app/happy-architect/id1214295611)

This game encourages children to explore their creativity and improve coordination by playing with various shapes. Watch balls roll down ramps and structures tumble as they build and experiment. It's designed for young minds to foster imagination in a safe, ad-free environment.

**Highlights:** Play with 8 different shapes, Shapes in 3 sizes, Rotate shapes, Random shape colors, Landscape and portrait modes, No ads or in-app purchases

**Features:** macOS Compatibility

**In-app purchases:** none


### Dog Merge Evolution

[App page](https://appshunter.io/ios/app/dog-merge-evolution/id1263512097)

Merge adorable puppies to discover bizarre, evolved canine breeds with unique mutations. Tap to earn coins, hatch new creatures, and unlock surprising story twists. Explore different stages and endings in this quirky evolution clicker game.

**Highlights:** Merge similar puppies to create new breeds, Discover evolved dogs with unique mutations, Earn coins by hatching dog eggs, Unlock surprising story twists and endings, Explore different stages and dog species, Doodle-like illustrations

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pack of rubies | $1.99 | one-time |
| Hard Currency Pack 1 | $1.99 | one-time |
| pack with diamonds | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Shop Bundle | $2.99 | one-time |
| Promo Bundles Very High | $2.99 | one-time |
| Hard Currency Pack 2 | $4.99 | one-time |
| big pack of rubies | $5.99 | one-time |
| Shop Bundle | $5.99 | one-time |
| Promo Bundles High | $5.99 | one-time |
| Trinket | $6.99 | one-time |
| Hard Currency Pack 3 | $9.99 | one-time |
| starter bundle discount | $9.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive game
- 🐶 Cute and unique dog designs
- 💎 Satisfying merging and upgrading
- ⏱ Passes time quickly

**What reviewers complain about**

- 🔍 Too many ads
- 🐛 Occasional glitches and bugs
- 🔋 Can be battery-draining
- 🤔 Some evolutions are confusing or strange

**Reported bugs**

- Hats and accessories disappearing
- Freezing on loading screen
- Dogs pooping eggs instead of poop

**Requested features**

- More customization options for dogs
- Ability to save progress and log in
- Expand to more animal types
- Reduce frequency of ads


## Frequently asked questions

### Is Happy Architect free?

Happy Architect is free to download, with no in-app purchases.

### Is Dog Merge Evolution free?

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

### Which has better reviews, Happy Architect or Dog Merge Evolution?

Happy Architect is rated higher. Happy Architect averages 5.0 out of 5 from 1 ratings, while Dog Merge Evolution averages 4.8 from 2.7K ratings.

### Do Happy Architect or Dog Merge Evolution have ads?

Dog Merge Evolution shows ads; Happy Architect does not.

### Which is updated more often, Happy Architect or Dog Merge Evolution?

Happy Architect ships an update every 4 months, and Dog Merge Evolution every 2 months. Most recently, Happy Architect was updated on October 10, 2026 and Dog Merge Evolution on October 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.*