# Viper.io vs The 20

The clearest difference is ads: The 20 at none against Viper.io's shown. Viper.io's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Viper.io sells 1 in-app purchase, starting at $5.99 per month and The 20 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Viper.io | The 20 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (951 ratings)](https://appshunter.io/ios/app/viperio-worm-and-snake-game/id1579122452/reviews)** | — |
| Number of ratings | **951** | — |
| Positive reviews | 75.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 201 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mikhail Prysiazhniy](https://appshunter.io/developer/1252249962) | [Roberto Baitelli](https://appshunter.io/developer/1885241820) |

## What reviewers say

### Viper.io

[App page](https://appshunter.io/ios/app/viperio-worm-and-snake-game/id1579122452)

Engage in fast-paced online multiplayer battles as a growing snake. Avoid other players, collect food and boosters to gain abilities, and aim to become the largest snake. Compete with friends and players worldwide on leaderboards.

**Highlights:** Real-time online multiplayer, Play with friends, Multiple game modes, Unlockable skins, Leaderboards, In-game chat

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Account | $5.99 | per month |

**What reviewers like**

- 👍 Fun and enjoyable game
- 🐥 Ability to chat with friends
- 🎨 Colorful and visually appealing
- 🕹️ Smooth and responsive controls
- 💰 Good value for membership

**What reviewers complain about**

- 🐛 Occasional crashes or lag issues
- 🔒 Concerns about privacy/security
- 💸 Frustration with ads/in-app purchases

**Reported bugs**

- Game freezing or shutting down at high scores
- Issues with account/progress syncing across devices

**Requested features**

- Improved multiplayer experience
- More customization options for snakes
- Expanded game modes or levels


### The 20

[App page](https://appshunter.io/ios/app/the-20-egg-problem/id6801898291)

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra Snakes (3 to 5) | $0.99 | one-time |


## Frequently asked questions

### Is Viper.io free?

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

### Is The 20 free?

The 20 is free to download, with in-app purchases available.

### Do Viper.io or The 20 have ads?

Viper.io shows ads; The 20 does not.

### Which is updated more often, Viper.io or The 20?

Viper.io ships an update every 2 months, and The 20 every 2 months. Most recently, Viper.io was updated on November 3, 2026 and The 20 on November 6, 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.*