# Snake o.S. vs TunnelWorm

The clearest difference is rating: TunnelWorm at 4.6 against Snake o.S.'s 4.3. TunnelWorm also leads on device support (5 vs 3) and iOS requirement (10.0 vs 12.0). Snake o.S.'s advantage is ratings volume (21 vs 5). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TunnelWorm holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 21 and 5 respectively.

Snake o.S. ships an update every 3 months, TunnelWorm every 4 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Snake o.S. | TunnelWorm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (21 ratings)](https://appshunter.io/ios/app/snake-os/id611617566/reviews) | **[4.6 (5 ratings)](https://appshunter.io/ios/app/tunnelworm/id1294101736/reviews)** |
| Number of ratings | **21** | 5 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 10 MB | 52 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [David Gavilan](https://appshunter.io/developer/611617569) | [Marek Sokol](https://appshunter.io/developer/1238312847) |

## What reviewers say

### Snake o.S.

[App page](https://appshunter.io/ios/app/snake-os/id611617566)

Guide a growing snake through different game modes, including a story and an infinite race. Unlock additional challenges by completing the narrative. Explore a unique world where a giant serpent is the protagonist.

**Highlights:** Guide and grow the snake, Story mode, Infinite race mode, Unlockable game modes, Hints for unlocking content

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

**In-app purchases:** none


### TunnelWorm

[App page](https://appshunter.io/ios/app/tunnelworm/id1294101736)

Guide a worm through increasingly challenging obstacles. Test your reflexes and endurance as the speed and difficulty escalate. Aim to survive as long as possible and surpass your personal best score.

**Highlights:** Obstacle avoidance, Increasing speed and difficulty, High score tracking, Simple controls, Addictive gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Snake o.S. free?

Snake o.S. is free to download, with no in-app purchases.

### Is TunnelWorm free?

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

### Which has better reviews, Snake o.S. or TunnelWorm?

TunnelWorm is rated higher. Snake o.S. averages 4.3 out of 5 from 21 ratings, while TunnelWorm averages 4.6 from 5 ratings.

### Do Snake o.S. or TunnelWorm have ads?

Neither Snake o.S. nor TunnelWorm shows ads.

### Which is updated more often, Snake o.S. or TunnelWorm?

Snake o.S. ships an update every 3 months, and TunnelWorm every 4 months. Most recently, Snake o.S. was updated on October 2, 2026 and TunnelWorm on October 4, 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.*