Best Slither I.o Apps & Games

230+ iOS apps & games curated and reviewed

3.9 avg rating
20 free apps & games
Updated October 2026

Out of 230+ slither i.o apps and games on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Slither I.o Apps & Games (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1slither.ioslither.ioFree3.8★ (3.3K)NoYesNov 2026
2Snake.io - Fun Online SnakeSnake.io - Fun Online SnakeFree4.6★ (481K)YesYesNov 2026
3Agar.ioAgar.ioFree4.5★ (221K)YesYesNov 2026
4Flashy Snake - Rolling Worm All O Skins UnlockedFlashy Snake - Rolling Worm All O Skins UnlockedFree4.2★ (425)NoYesNov 2026
5Worm.io - Snake & Worm IO GameWorm.io - Snake & Worm IO GameFree4.2★ (21K)YesYesNov 2026
6Slither BallSlither BallFree—NoNoOct 2026
7Pixel Sword Fish ioPixel Sword Fish ioFree4.6★ (129K)YesYesNov 2026
8Snake Slither Go!Snake Slither Go!Free—NoYesMay 2026

Top Picks for Slither I.o

slither.io#1

slither.io by Lowtech Studios LLC

Multiplayer slither game
Editor's Choice
🎮 Games
3.8😐(3.3K ratings)
FreeIn-App Purchases
#40in Games
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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.

What We Love

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

Room to Improve

  • 🐛 Frequent lags and freezes
  • 🐛 Glitches causing unfair deaths
  • 🐛 Inability to control snake movements
  • 🐛 Inappropriate player names
  • 💰 Ads and in-app purchases
Snake.io - Fun Online Snake#2

Snake.io - Fun Online Snake by Kooapps

New Battle Royale Snake Games
Strong Contender
🎮 Games
4.6😊(481K ratings)
FreeAdsIn-App Purchases
#23in Games
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Grow your snake by eating other players and become the largest on the board. Use speed boosts and strategic maneuvers to outwit opponents in this .io game. Enjoy smooth, lag-free gameplay with precise controls, playable online or offline.

What We Love

  • 🎨 Variety of skins and customization options
  • 🕹️ Smooth and responsive gameplay
  • 🕰️ Offline playability
  • 👍 Simple and intuitive controls
  • 🤩 Addictive and fun gameplay loop

Room to Improve

  • 🔍 Unclear if playing against real players or bots
  • 📺 Excessive ads, especially for reviving
  • 🔒 Limited skin unlocking options without ads or purchases
  • 🕹️ Joystick controls can be glitchy at times
  • 🤯 Frustrating when larger snakes trap and kill smaller ones
Agar.io#3

Agar.io by Miniclip.com

Play with friends online
Worth Considering
🎮 Games
4.5😐(221K ratings)
FreeAdsIn-App Purchases
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Grow your cell by consuming smaller cells and avoiding larger ones in this online multiplayer game. Master tactics like splitting and dodging to become the biggest cell. Unlock secret skins with special usernames.

What We Love

  • 🚀 Addictive gameplay
  • 🔥 Iconic game
  • 💎 Great rewards system
  • 🎨 Customizable skins

Room to Improve

  • 🔍 Difficulty for new players
  • 🕰️ Slow progression
  • 💰 Excessive ads and microtransactions
  • 🔒 Lack of account portability
  • 🐛 Frequent crashes and lag
  • 🕹️ Unbalanced gameplay (teamers, macros)

More Slither I.o apps to explore

FAQ about Slither I.o

What are the best slither i.o apps & games for iPhone?
slither.io tops our slither i.o apps & games ranking as of October 2026, with a 3.8-star average from 3.3K App Store ratings, and it's free to download.
Yes — 20 of the top slither i.o apps & games we rank are free to download, including slither.io and Snake.io - Fun Online Snake.
slither.io has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 230+ slither i.o apps & games on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.