# Slithering Assassin vs Worm.is

The clearest difference is update cadence: Worm.is at every 5 days against Slithering Assassin's every 16 months. Slithering Assassin's advantage is iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Slithering Assassin sells 3 one-off in-app purchases and Worm.is sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Slithering Assassin ships an update every 16 months, Worm.is every 5 days. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Slithering Assassin | Worm.is |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (235 ratings)](https://appshunter.io/ios/app/wormis-the-game/id1101691540/reviews)** |
| Number of ratings | — | **235** |
| Positive reviews | — | 81.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 140 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [Freakinware Studios](https://appshunter.io/developer/630210455) |

## What reviewers say

### Slithering Assassin

[App page](https://appshunter.io/ios/app/slithering-assassin/id1013904672)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Upgrade - Reduced Price | $0.99 | one-time |
| Full Upgrade - Regular Price | $1.99 | one-time |
| Full Upgrade - Hero Price | $3.99 | one-time |


### Worm.is

[App page](https://appshunter.io/ios/app/wormis-the-game/id1101691540)

Engage in a thrilling multiplayer battle where you eat to grow and outwit opponents to become the ultimate worm. Dodge viruses, share mass with teammates, and customize your worm's style. Enjoy various game modes and private matches with friends for continuous fun.

**Highlights:** Various game modes (Free-for-All, Random Team), Scourge Mode, Private matches with friends, Eat to grow and become the biggest worm, Cut off enemy paths, Dodge viruses, Customizable worm skins, Gear and boosts for advantages

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Coins | $0.99 | one-time |
| Remove ads | $1.99 | one-time |
| 500 Coins | $1.99 | one-time |
| 1200 Coins | $3.99 | one-time |
| 4000 Coins | $6.99 | one-time |
| 10000 Coins | $14.99 | one-time |
| 20000 Coins | $24.99 | one-time |

**What reviewers like**

- 🚀 Smooth gameplay
- 👍 Addictive and fun
- 🎨 Customizable skins
- 🕹️ Easy to control
- 🔥 Great game modes

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔌 Laggy performance
- 💰 Excessive ads
- 🔒 Chat moderation issues
- 🧭 Difficulty progressing

**Reported bugs**

- Skin creation issues
- Connectivity problems
- Leaderboard glitches
- Freezing during gameplay

**Requested features**

- More game modes
- Improved chat moderation
- Reduced ads
- Ability to join friends
- Progression system enhancements


## Frequently asked questions

### Is Slithering Assassin free?

Slithering Assassin is free to download, with in-app purchases available.

### Is Worm.is free?

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

### Do Slithering Assassin or Worm.is have ads?

Neither Slithering Assassin nor Worm.is shows ads.

### Which is updated more often, Slithering Assassin or Worm.is?

Slithering Assassin ships an update every 16 months, and Worm.is every 5 days. Most recently, Slithering Assassin was updated on November 11, 2026 and Worm.is on November 12, 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.*