# Nebulous.io vs slither.io

The clearest difference is ads: slither.io at none against Nebulous.io's shown. slither.io also leads on chart position (#50 vs unranked) and iOS requirement (12.0 vs 14.0). Nebulous.io's advantage is rating (4.1 vs 3.8). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Nebulous.io sells 12 one-off in-app purchases and slither.io sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Nebulous.io holds the better App Store score, 4.1 against 3.8. Both are backed by a comparable volume of ratings — 2.6K and 3K respectively. Written reviews split almost evenly too, at 54% and 55% positive.

Nebulous.io ships an update every 2 weeks, slither.io weekly. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Nebulous.io | slither.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (2.6K ratings)](https://appshunter.io/ios/app/nebulousio/id1069691018/reviews)** | [3.8 (3K ratings)](https://appshunter.io/ios/app/slitherio/id1091944550/reviews) |
| Number of ratings | 2.6K | **3K** |
| Positive reviews | 54.1% of reviews | **55.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#50** |
| Size | 71 MB | 75 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Simplicial Software, LLC](https://appshunter.io/developer/1069691017) | [Lowtech Studios LLC](https://appshunter.io/developer/867992583) |

## What reviewers say

### Nebulous.io

[App page](https://appshunter.io/ios/app/nebulousio/id1069691018)

Engage in a multiplayer game where you grow by consuming smaller entities and collecting dots. Avoid larger players while strategizing to become the biggest blob. Enjoy various game modes, customization options, and social features.

**Highlights:** Collect dots and gobble smaller players, Compete with up to 27 players online, Over 500 unlockable skins, Upload custom skins, Multiple game modes including FFA, Teams, and Capture the Flag, Clan system with Clan Wars, Offline single-player mode

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2,000 Plasma | $0.49 | one-time |
| One Spin | $0.99 | one-time |
| 5,000 Plasma | $0.99 | one-time |
| 10,000 Plasma | $1.49 | one-time |
| 3,000 Plasma | $1.99 | one-time |
| Plasma Boost 7 Days | $2.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 10,000 Plasma | $4.99 | one-time |
| 50,000 Plasma | $4.99 | one-time |
| 100,000 Plasma | $7.49 | one-time |
| 25,000 Plasma | $9.99 | one-time |
| 500,000 Plasma | $24.99 | one-time |

**What reviewers like**

- 🎮 Engaging gameplay
- 🕹️ Fun game modes
- 🤝 Good for playing with friends
- 💎 Addictive and enjoyable
- 🕰️ Nostalgic for long-time players

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔧 Lack of updates and fixes for iOS users
- 🕹️ Unbalanced gameplay mechanics
- 🤝 Issues with teaming and cheating
- 💰 Expensive in-app purchases

**Reported bugs**

- Progression resets and lost account data
- Connectivity issues and server problems
- Glitches with power-ups and abilities
- Inconsistent performance on iOS devices
- Inability to change name or settings

**Requested features**

- Improved matchmaking system
- More game modes and customization options
- Ability to upload custom skins on iOS
- Better community features and moderation
- Reduced in-app purchase costs


### slither.io

[App page](https://appshunter.io/ios/app/slitherio/id1091944550)

**Currently charting:** #50 Top Free · Action, #132 Top Free · Casual (US App Store)

Compete against other players in a multiplayer game where you grow by consuming the remains of defeated opponents. Outmaneuver larger players to win and become the longest slither.

**Highlights:** Online multiplayer gameplay, Grow by consuming player remains, Outmaneuver opponents, Become the longest slither, Simple controls

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |

**What reviewers like**

- 🚀 Addictive gameplay
- 👍 Customizable snake skins
- 🚀 Offline mode available
- 👍 No ads (if paid)

**What reviewers complain about**

- 🐛 Frequent lags and freezes
- 🐛 Glitches causing unfair deaths
- 🐛 Inability to control snake movements
- 🐛 Inappropriate player names
- 💰 Ads and in-app purchases

**Reported bugs**

- Screen freezing during gameplay
- Inability to change skins
- Forced speed boosts causing crashes
- Inconsistent performance across devices

**Requested features**

- Ability to play with friends
- More customization options
- Pause button for offline mode
- Endless game board
- Improved AI difficulty


## Frequently asked questions

### Is Nebulous.io free?

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

### Is slither.io free?

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

### Which has better reviews, Nebulous.io or slither.io?

Nebulous.io is rated higher. Nebulous.io averages 4.1 out of 5 from 2.6K ratings, while slither.io averages 3.8 from 3K ratings.

### Do Nebulous.io or slither.io have ads?

Nebulous.io shows ads; slither.io does not.

### Which is updated more often, Nebulous.io or slither.io?

Nebulous.io ships an update every 2 weeks, and slither.io weekly. Most recently, Nebulous.io was updated on October 1, 2026 and slither.io on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*