# Slime Evolution vs Spider Evolution

The clearest difference is iOS requirement: Slime Evolution at 13.0 against Spider Evolution's 15.0. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Slime Evolution sells 4 one-off in-app purchases and Spider Evolution sells 14 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 Spider Evolution. Both are backed by a comparable volume of ratings — 597 and 306 respectively. Written reviews split almost evenly too, at 91% and 92% positive.

Slime Evolution ships an update every 2 months, Spider Evolution every 6 weeks. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Slime Evolution | Spider Evolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (597 ratings)](https://appshunter.io/ios/app/slime-evolution-raise-slimes/id1131103968/reviews) | [4.8 (306 ratings)](https://appshunter.io/ios/app/spider-evolution-idle-game/id1645135841/reviews) |
| Number of ratings | **597** | 306 |
| Positive reviews | 91.2% of reviews | **91.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 111 MB | 158 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


### Spider Evolution

[App page](https://appshunter.io/ios/app/spider-evolution-idle-game/id1645135841)

Merge exotic spider species to create new mutant creatures with unique features. Discover different stages, unlock new breeds, and enjoy an open-ended gameplay experience with a humorous story. Earn coins by tapping spiders or using eggs to purchase new creatures and expand your collection.

**Highlights:** Merge spider species to create new mutants, Discover different stages and spider breeds, Earn coins by tapping or using spider eggs, Unlock new creatures and expand your collection, Experience a humorous story with twists, Enjoy open-ended, idle gameplay

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alien Currency Pack 1 | $1.99 | one-time |
| Hard Currency Pack 1 | $1.99 | one-time |
| Hard Currency Pack Offer | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Shop Bundle 1 | $2.99 | one-time |
| Promo Bundles Very High | $2.99 | one-time |
| Hard Currency Pack 2 | $4.99 | one-time |
| Alien Currency Pack 2 | $5.99 | one-time |
| Shop Bundle 2 | $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 |
| Premium Bundle Discount | $9.99 | one-time |


## Frequently asked questions

### Is Slime Evolution free?

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

### Is Spider Evolution free?

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

### Which has better reviews, Slime Evolution or Spider Evolution?

Slime Evolution and Spider Evolution are both rated 4.8 out of 5 on the App Store, from 597 and 306 ratings respectively.

### Do Slime Evolution or Spider Evolution have ads?

Both Slime Evolution and Spider Evolution show ads.

### Which is updated more often, Slime Evolution or Spider Evolution?

Slime Evolution ships an update every 2 months, and Spider Evolution every 6 weeks. Most recently, Slime Evolution was updated on October 17, 2026 and Spider Evolution on October 15, 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.*