# Wormax.io vs Slime.io

The clearest difference is rating: Wormax.io at 4.7 against Slime.io's 4.0. Wormax.io also leads on ratings volume (4.6K vs 5) and review sentiment (85% vs 67%). Slime.io's advantage is in-app purchases (none vs 14) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Wormax.io sells 14 one-off in-app purchases. Slime.io asks for nothing beyond the download.

Wormax.io holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Wormax.io has 4.6K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 85% of Wormax.io's written reviews are positive against 67% of Slime.io's.

Wormax.io ships an update every 3 weeks, Slime.io fortnightly. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Wormax.io | Slime.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.6K ratings)](https://appshunter.io/ios/app/wormaxio/id1166874296/reviews)** | [4.0 (5 ratings)](https://appshunter.io/ios/app/slimeio/id1425771680/reviews) |
| Number of ratings | **4.6K** | 5 |
| Positive reviews | **84.8% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 211 MB | 69 MB |
| Requires iOS | 15.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ELYLAND INVESTMENT COMPANY LIMITED](https://appshunter.io/developer/816221269) | [Entity3 Limited](https://appshunter.io/developer/1055360372) |

## What reviewers say

### Wormax.io

[App page](https://appshunter.io/ios/app/wormaxio/id1166874296)

Control a snake, grow its mass, and compete against other players worldwide in this free mobile MMO. Use active skills and boosters to survive and climb the leaderboards. Play with friends or against the computer in various fun modes.

**Highlights:** Multiplayer online battles, Single-player mode against AI, Unlockable active skills, Collect action boosters, Compete in player ratings, Upgrade worm with artifacts

**Features:** Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 essence | $1.99 | one-time |
| Essence Boost x2 | $2.99 | one-time |
| Extra life for 3days | $3.99 | one-time |
| Premium skins | $3.99 | one-time |
| 1500 essence | $4.99 | one-time |
| Premium for 1 month | $4.99 | one-time |
| Premium for 12 month | $4.99 | one-time |
| Additional life | $4.99 | one-time |
| Essence Boost x8 & No Ads | $8.99 | one-time |
| 5000 essence | $9.99 | one-time |
| Extra life for 15 days | $9.99 | one-time |
| Growth Boost x4 & No Ads | $14.99 | one-time |
| Range Boost x4 & No Ads | $14.99 | one-time |
| 12000 essence | $19.99 | one-time |

**What reviewers like**

- 🚀 Fast and addictive gameplay
- 👍 Variety of skins and power-ups
- 🎨 Vibrant and colorful graphics
- 💡 Unique mechanics like invisibility and stop

**What reviewers complain about**

- 🐛 Frequent crashes and server issues
- 🔋 Excessive ads and in-app purchases
- 🕹️ Clunky and unresponsive controls
- 🤖 Overwhelming presence of bots

**Reported bugs**

- Account progress being lost or reset
- Inability to respawn after watching ads
- Lag and freezing during gameplay
- Incompatibility issues on certain devices

**Requested features**

- Team mode to play with friends
- More free skin options
- Customizable controls
- Improved server stability


### Slime.io

[App page](https://appshunter.io/ios/app/slimeio/id1425771680)

Control a rolling ball to cover the most ground with slime. Collect dots to grow larger and faster, aiming to dominate the game area. It's an addictive experience focused on territorial control.

**Highlights:** Roll and slime area, Collect dots, Get bigger and faster, Dominate game area, Addictive gameplay

**In-app purchases:** none


## Frequently asked questions

### Is Wormax.io free?

Wormax.io is free to download, with in-app purchases available.

### Is Slime.io free?

Slime.io is free to download, with no in-app purchases.

### Which has better reviews, Wormax.io or Slime.io?

Wormax.io is rated higher. Wormax.io averages 4.7 out of 5 from 4.6K ratings, while Slime.io averages 4.0 from 5 ratings.

### Do Wormax.io or Slime.io have ads?

Wormax.io shows ads; Slime.io does not.

### Which is updated more often, Wormax.io or Slime.io?

Wormax.io ships an update every 3 weeks, and Slime.io fortnightly. Most recently, Wormax.io was updated on October 20, 2026 and Slime.io 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.*