# Slime Evolution vs Dog Merge Evolution

The clearest difference is ratings volume: Dog Merge Evolution at 2.7K against Slime Evolution's 596. Slime Evolution's advantage is iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Slime Evolution sells 4 one-off in-app purchases and Dog Merge Evolution sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Slime Evolution against 4.8 for Dog Merge Evolution. Both are backed by a comparable volume of ratings — 596 and 2.7K respectively. Written reviews split almost evenly too, at 92% and 92% positive.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Slime Evolution | Dog Merge Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (596 ratings)](https://appshunter.io/ios/app/slime-evolution-raise-slimes/id1131103968/reviews) | [4.8 (2.7K ratings)](https://appshunter.io/ios/app/dog-merge-evolution/id1263512097/reviews) |
| Number of ratings | 596 | **2.7K** |
| Positive reviews | 91.5% of reviews | **92.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 111 MB | 153 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SeHyeon Im](https://appshunter.io/developer/1294084939) | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) |

## What reviewers say

### Slime Evolution

[App page](https://appshunter.io/ios/app/slime-evolution-raise-slimes/id1131103968)

Cultivate a charming slime farm by merging identical slimes to discover new ones. Assign elemental properties like water, fire, or grass to influence their characteristics. Embark on adventures to collect more slimes and treasures, and document your discoveries in a field guide.

**Highlights:** Create new slimes by merging, Assign elemental properties (water, fire, grass), Go on adventures for rewards, Collect slimes in a field guide, Discover unique slime evolution methods

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Gem | $0.99 | one-time |
| 110 Gem | $4.99 | one-time |
| 240 Gem | $9.99 | one-time |
| 1400 Gem | $49.99 | one-time |

**What reviewers like**

- 👍 Cute and relaxing game
- 🎨 Charming art style
- 🕹️ Simple and addictive gameplay
- ⏱️ Good time-killer
- 🌳 Enjoyable exploration and evolution

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 💰 Unbalanced upgrade costs between platforms
- 🔍 Unclear mechanics (e.g. using seeds)
- 🌐 Language/localization issues

**Reported bugs**

- Inability to merge certain slime types
- Disappearing slimes and lost progress
- Ads not working or causing errors

**Requested features**

- Add more types of slimes
- Implement a slime shop/store
- Improve the reward system
- Add more gameplay modes or mini-games
- Enhance the exploration and progression systems


### 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 Slime Evolution free?

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

### Is Dog Merge Evolution free?

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

### Which has better reviews, Slime Evolution or Dog Merge Evolution?

Slime Evolution and Dog Merge Evolution are both rated 4.8 out of 5 on the App Store, from 596 and 2.7K ratings respectively.

### Do Slime Evolution or Dog Merge Evolution have ads?

Both Slime Evolution and Dog Merge Evolution show ads.

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

Slime Evolution ships an update every 2 months, and Dog Merge Evolution every 2 months. Most recently, Slime Evolution was updated on September 24, 2026 and Dog Merge Evolution 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.*