Comparison

Roblox vs slither.io

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Roblox

Explore millions of immersive 3D multiplayer experiences created by a global community. Play games, roleplay, compete, or create your own virtual worlds. Customize avatars and connect with friends across various devices.

Highlights
  • Discover millions of user-created experiences
  • Create and share your own games
  • Customize avatars with clothing and accessories
  • Play with friends across multiple devices
  • Multiplayer battles and role-playing games
  • In-app chat and voice communication (age-verified)
Read full description

ROBLOX – MILLIONS OF GAMES ACROSS EVERY GENRE. PLAY FREE. Roblox is home to every kind of game, for every kind of player. Compete in high-octane racing games, battle it out in hardcore tactical shooters, or put your survival skills to the test in unpredictable environments. Embark on an epic adventure in immersive RPGs, build massive empires in tycoons, or dive into horror, anime, and sports games with friends worldwide. Roblox is constantly evolving, with unique experiences and ambitious, high-fidelity games built by a global community including professional studios, indie teams, and solo creators. There’s always something new to discover every day. Start playing some of the most popular games on Roblox today, including Dress to Impress, RIVALS, Steal a Brainrot, Brookhaven RP, Adopt Me! and more. WHAT YOU CAN DO ON ROBLOX PLAY ONLINE MULTIPLAYER GAMES - Discover deep role-playing games, immersive simulators, action-packed adventures, and more - Explore trending experiences and new games daily - Compete in massive multiplayer battles, run your own digital business, or embark on epic quests - Games may contain optional in-game purchases, including lootboxes and other items CREATE YOUR OWN AVATAR - Customize your avatar with detailed clothing, accessories, and dynamic hairstyles - Discover thousands of user-created 3D avatar items in the Marketplace - Express yourself with unique emotes, and fashion CHAT, COMPETE, AND EXPLORE TOGETHER—ANYTIME, ANYWHERE - Hang out and play with friends in cross-platform multiplayer games on mobile, tablet, PC, console, and VR headsets - Join a Party and jump into competitive or social experiences together - Age-verified users can communicate in real-time via voice chat or text CREATE, PLAY, AND SHARE ON ROBLOX - Design high-fidelity games and virtual spaces using the Roblox Studio engine on Windows or Mac - Publish your experiences and empower yourself as a creator in a massive global community - Dive into immersive 3D multiplayer games and safe, inclusive environments designed for users of all ages - Enjoy endless new content added daily and share your creations with millions of players ELEVATE YOUR EXPERIENCE WITH ROBLOX PLUS - Get up to 20% discounts on in-game items, enjoy fee-free Robux transfers, and receive a distinct profile badge - Host free, unlimited private servers for your friends - Publish, trade, and resell your own custom avatar creations on the Marketplace INDUSTRY-LEADING SAFETY, PRIVACY, AND CIVILITY - Advanced content filtering and age-appropriate moderation - Access age-verified spaces and manage your privacy with Roblox Kids and Select Accounts - Clear community guidelines promoting respectful interactions - Dedicated trust & safety teams working around the clock CREATE YOUR OWN GAMES: https://www.roblox.com/develop SUPPORT: https://en.help.roblox.com/hc/en-us CONTACT: https://corp.roblox.com/contact/ PRIVACY POLICY: https://www.roblox.com/info/privacy PARENT’S GUIDE: https://corp.roblox.com/parents/ TERMS OF USE: https://en.help.roblox.com/hc/en-us/articles/115004647846 PLEASE NOTE: A network connection is required. Roblox works best over Wi-Fi. ※ Information on App Permissions: Roblox requires the following permissions for your seamless use of the Roblox app. [Optional Permissions] Notification: For sending notifications (related to the services, experiences, etc.) Microphone: For in-game voice chat features Camera: For animating your avatar with your movement Contacts: For contact importer features (find other users you may know and make recommendations for friends) * You can use the app regardless of whether or not you consent to optional permissions * Certain app features may not work properly if you refuse optional permissions

About

slither.io

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
Read full description

Play against other people online! Can you become the longest slither of the day? In slither.io, even if you're tiny, you have a chance to win. If you're skilled or lucky, you can swerve in front of a much larger player to defeat them! Boop or be booped! If your head touches another player, you will explode and die. But if other players run into YOU, then THEY will explode and you can eat their remains! slither.io is the real online multiplayer slithering game! Are you a snake or a worm? You're a slither! Download now and start slithering!

Screenshots

Roblox4 screens
slither.io4 screens

Verdict

The call

The clearest difference is rating: Roblox at 4.5 against slither.io's 3.8. Roblox also leads on ratings volume (20M vs 3K) and chart position (#1 vs #49). slither.io's advantage is iOS requirement (12.0 vs 14.0). On price, review sentiment, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Roblox sells 16 in-app purchases, starting at $4.99 per month and slither.io sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Roblox holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: Roblox has 20M ratings behind it against 3K, so its average is the more settled of the two. Written reviews point the same way: 60% of Roblox's written reviews are positive against 55% of slither.io's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 7 level
Roblox versus slither.io: the parameters behind the verdict, then further details
ParameterRobloxslither.io
PriceFreeFree
Rating4.5 (20M ratings) — better3.8 (3K ratings)
Positive reviews60.0% of reviews — better54.7% of reviews
Number of ratings20M — better3K
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#1 — better#49
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size224 MB75 MB
Age rating12+4+
DeveloperRoblox CorporationLowtech Studios LLC

Customer experience

Roblox

All ratings20,129,792 ratings
Positive87.6%
Neutral3.5%
Negative8.9%
Written reviews36,493 reviews
Positive60.0%
Neutral7.5%
Negative32.5%

slither.io

All ratings3,030 ratings
Positive66.9%
Neutral6.6%
Negative26.6%
Written reviews1,819 reviews
Positive54.7%
Neutral11.4%
Negative33.9%

User reviews

Roblox

From 20M App Store ratings

What we love

  • 🚀 Endless games and experiences
  • 🤝 Ability to make virtual friends
  • 🎨 Customizable avatars
  • 🎮 Wide variety of game genres
  • 👍 Fun and engaging for all ages

Room to improve

  • 🤖 Ineffective moderation and reporting system
  • 💰 Expensive in-game purchases
  • 🔍 Difficulty finding specific games
  • 🤔 Confusing chat/tag system
  • 🔒 Concerns about online safety and predators

slither.io

From 3K App Store ratings

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

Bugs and requests

Roblox

Reported bugs

3 issues
  • Frequent disconnections and server issues
  • Glitches that delete purchased items
  • Inconsistent chat filtering and tagging

Requested features

5 requests
  • Ability to earn Robux through gameplay
  • Improved search and discovery for games
  • More free avatar customization options
  • Better parental controls and monitoring
  • Faster response to reports of inappropriate content

slither.io

Reported bugs

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

Requested features

6 requests
  • Ability to play with friends
  • More customization options
  • Pause button for offline mode
  • Endless game board
  • Improved AI difficulty
Show 1 more
  • Prevent other players from stealing kills

In-app purchases

16 purchases

Roblox

Subscriptions1
  • Roblox Premium 450$4.991 Month
One-time15
  • 80 ROBUX$0.99
  • Premium 80 Robux$0.99
  • Premium 88 Subscribed$0.99
Show 12 more
  • Premium 160 Robux$1.99
  • Premium 240 Robux$2.99
  • Premium 320 Robux$3.99
  • 400 Robux Premium$4.99
  • 440 Robux Subscribed$4.99
  • Roblox Premium 450 One Month$4.99
  • 800 ROBUX$9.99
  • 800 Robux Premium$9.99
  • 880 Robux Subscribed$9.99
  • Roblox Premium 1000 One Month$9.99
  • 1700 Robux Premium$19.99
  • Roblox Premium 2200 One Month$19.99
1 purchases

slither.io

One-time1
  • Remove Ads$3.99

Questions

Is Roblox free?
Roblox 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, Roblox or slither.io?
Roblox is rated higher. Roblox averages 4.5 out of 5 from 20M ratings, while slither.io averages 3.8 from 3K ratings.
Do Roblox or slither.io have ads?
Neither Roblox nor slither.io shows ads.
Which is updated more often, Roblox or slither.io?
Roblox ships an update weekly, and slither.io weekly. Most recently, Roblox was updated on September 25, 2026 and slither.io on September 24, 2026.
Which is more popular, Roblox or slither.io?
Roblox currently peaks at #1 in the App Store charts, and slither.io at #49. Chart position reflects recent download velocity rather than total install base.

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