# Worm Run! vs Cosmo Snake

The clearest difference is ads: Worm Run! at none against Cosmo Snake's shown. Worm Run! also leads on ratings volume (1.1K vs 24) and iOS requirement (10.0 vs 15.0). Cosmo Snake's advantage is update cadence (weekly vs every 4 months) and review sentiment (100% vs 72%). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Worm Run! sells 4 one-off in-app purchases and Cosmo Snake sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Cosmo Snake holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Worm Run! has 1.1K ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 72% of Worm Run!'s written reviews are positive against 100% of Cosmo Snake's.

Worm Run! ships an update every 4 months, Cosmo Snake weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Worm Run! | Cosmo Snake |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (1.1K ratings)](https://appshunter.io/ios/app/worm-run/id1347734457/reviews) | **[4.6 (24 ratings)](https://appshunter.io/ios/app/cosmo-snake-fun-slither-game/id6654898735/reviews)** |
| Number of ratings | **1.1K** | 24 |
| Positive reviews | 72.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 111 MB | 316 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gamma Play Limited](https://appshunter.io/developer/1116200130) | [ChainJoy Limited](https://appshunter.io/developer/1770367950) |

## What reviewers say

### Worm Run!

[App page](https://appshunter.io/ios/app/worm-run/id1347734457)

Control a growing worm, expanding to move forward and retracting to avoid obstacles. The longer you expand, the faster you retract. Compete on global leaderboards in this addictive arcade challenge.

**Highlights:** Expand and retract worm, Avoid obstacles, Fast-paced gameplay, Global leaderboards, Simple controls

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 250 Credits | $0.99 | one-time |
| No Ads | $1.99 | one-time |
| 500 Credits | $1.99 | one-time |
| 1000 Credits | $2.99 | one-time |

**What reviewers like**

- 🤪 Fun and entertaining
- 💖 Addictive gameplay
- 👍 Good for killing boredom
- ❤️ Loved by many users

**What reviewers complain about**

- 🐛 Crashes and bugs
- 💢 Extremely difficult
- 🤯 Can be frustrating

**Reported bugs**

- Crashes on older devices
- Freezing issues
- Scoring problems

**Requested features**

- More levels and challenges
- Difficulty settings
- Better tutorial or training mode


### Cosmo Snake

[App page](https://appshunter.io/ios/app/cosmo-snake-fun-slither-game/id6654898735)

Control a worm in a cosmic arena, devouring orbs and fallen foes to grow larger. Outmaneuver opponents with magic tools and strategic play to become the biggest worm. Customize your worm with unique skins for endless fun.

**Highlights:** Classic worm gameplay with magic tools, Cosmic battles against other players, Grow your worm by eating orbs, Unique monster skins for customization, Endless replayability

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vip Pass | $1.99 | per month |
| Starter Pack | $0.99 | one-time |
| BigEye Skin | $0.99 | one-time |
| Jelly Skin | $0.99 | one-time |
| SpaceShip Skin | $0.99 | one-time |
| MaigcTool-Enlarge | $0.99 | one-time |
| MaigcTool-Magnet | $0.99 | one-time |
| MaigcTool-Shield | $0.99 | one-time |
| ADsRemover | $1.99 | one-time |
| Diamond Pack 4 | $5.99 | one-time |


## Frequently asked questions

### Is Worm Run! free?

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

### Is Cosmo Snake free?

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

### Which has better reviews, Worm Run! or Cosmo Snake?

Cosmo Snake is rated higher. Worm Run! averages 4.4 out of 5 from 1.1K ratings, while Cosmo Snake averages 4.6 from 24 ratings.

### Do Worm Run! or Cosmo Snake have ads?

Cosmo Snake shows ads; Worm Run! does not.

### Which is updated more often, Worm Run! or Cosmo Snake?

Worm Run! ships an update every 4 months, and Cosmo Snake weekly. Most recently, Worm Run! was updated on November 2, 2026 and Cosmo Snake on October 30, 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.*