Comparison

Worm.is vs Worm.io

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

Head to head
About

Worm.is

Engage in an addictive multiplayer game where you control a worm, eating to grow and outsmarting opponents. Navigate various game modes, customize your worm, and aim for supremacy in this fast-paced arena.

Highlights
  • Multiple game modes
  • Private matches with friends
  • Eat to grow larger
  • Cut off enemy paths
  • Dodge viruses
  • Customizable skins
  • Gear and boosts
Features
Read full description

# Crush Your Opponents or Try Slithering Your Way to the Top! ##**Warning:** This game is a highly addictive multiplayer experience! **LAG**: If you experience high latency, please open the Settings Menu and change your server location ## Become the Ultimate Worm In a realm teeming with worms, your mission is simple: eat to grow and outwit to rule. Make one wrong move, though, and you're worm chow. So, will you be the hunter or the hunted? ## Here's What's in Store: - **Various Game Modes**: Free-for-All, Random Team, and more - **Scourge Mode**: A groundbreaking, super addictive way to play - **Private Matches**: Go head-to-head with pals in private games - **Eat to Grow**: Aim to be the game's biggest worm - **Cut and Conquer**: Chop off enemy paths to take 'em down - **Virus Alert**: Dodge viruses that will slow you down and steal your mass - **Mass Sharing**: Eject mass to assist teammates - **Custom Skins**: Pimp your worm's style - **Gear and Boosts**: Arm yourself and gain gameplay advantages - **Continuous Fun**: An experience you'll relish - Most of all, have a blast while you strive for worm-world supremacy! For info and support admin@nilwave.com

About

Worm.io

Engage in thrilling arcade battles where you grow by consuming dots and agar. Outmaneuver opponents, avoid collisions, and strategically use power-ups to become the largest worm in the arena. Play offline or online for endless fun.

Highlights
  • Eat dots and agar to grow
  • Avoid head collisions
  • Make enemies crash into you
  • Outmaneuver rivals
  • Special power-up items (Rush, Freeze, Invisible, etc.)
  • Offline gameplay with AI
Features
Read full description

Welcome to Worm.io – The Ultimate Arena Battle! Become the champion of the arena in this thrilling arcade game! How to Play: • Eat dots and agar to grow. • Avoid head collisions with other worms. • Make enemies crash into you to eat their remains. • Outmaneuver rivals to become the biggest worm. How long can you survive? Special Items: • Rush: Speed boost for 20 seconds • Freeze: Unable to speed up for 20 seconds • Invisible: Stay hidden for 40 seconds • Toxic: Lose 1% length per second for 10 seconds • Magnet: Double eating range for 30 seconds • Mask: Random skin change for 40 seconds • Invincible: Total immunity for 20 seconds Play Anytime, Anywhere No Wi-Fi? No problem! Worm.io runs offline using AI to ensure smooth gameplay. Support Need help or have feedback? Email: welcome@kasimiapps.com About Us Website: https://www.kasimiapps.com Fanpage: https://www.facebook.com/fbkasimiapps Download now and rule the arena!

Screenshots

Worm.is3 screens
Worm.io4 screens

Verdict

The call

The clearest difference is ads: Worm.is at none against Worm.io's shown. Worm.is also leads on rating (4.5 vs 4.2) and review sentiment (81% vs 63%). Worm.io's advantage is ratings volume (21K vs 233). On price, update cadence, in-app purchases and monetization model 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. Worm.is sells 7 one-off in-app purchases and Worm.io sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Worm.is holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Worm.io has 21K ratings behind it against 233, so its average is the more settled of the two. Written reviews point the same way: 81% of Worm.is's written reviews are positive against 63% of Worm.io's.

UpkeepUpdate frequency

Worm.is ships an update every 2 weeks, Worm.io every 9 days. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 6 level
Worm.is versus Worm.io: the parameters behind the verdict, then further details
ParameterWorm.isWorm.io
PriceFreeFree
Rating4.5 (233 ratings) — better4.2 (21K ratings)
Positive reviews81.2% of reviews — better62.6% of reviews
Number of ratings23321K — better
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size135 MB152 MB
Age rating4+4+
DeveloperFreakinware StudiosQuyen Doan

Customer experience

Worm.is

All ratings233 ratings
Positive87.6%
Neutral3.4%
Negative9.0%
Written reviews239 reviews
Positive81.2%
Neutral5.4%
Negative13.4%

Worm.io

All ratings21,320 ratings
Positive77.6%
Neutral7.0%
Negative15.4%
Written reviews1,246 reviews
Positive62.6%
Neutral10.1%
Negative27.3%

User reviews

Worm.is

From 233 App Store ratings

What we love

  • 🚀 Smooth gameplay
  • 👍 Addictive and fun
  • 🎨 Customizable skins
  • 🕹️ Easy to control
  • 🔥 Great game modes

Room to improve

  • 🐛 Frequent crashes
  • 🔌 Laggy performance
  • 💰 Excessive ads
  • 🔒 Chat moderation issues
  • 🧭 Difficulty progressing

Worm.io

From 21K App Store ratings

What we love

  • 🎮 Fun and addictive gameplay
  • 👍 Variety of skins and customization options
  • 🚀 Smooth performance with no lag
  • 💡 Interesting game mechanics like speed boost

Room to improve

  • 🔍 Too many ads interrupting gameplay
  • 🔄 Having to re-enter name after each death
  • 🤖 Suspicion of bot players
  • 💬 Inappropriate user names/comments

Bugs and requests

Worm.is

Reported bugs

4 issues
  • Skin creation issues
  • Connectivity problems
  • Leaderboard glitches
  • Freezing during gameplay

Requested features

5 requests
  • More game modes
  • Improved chat moderation
  • Reduced ads
  • Ability to join friends
  • Progression system enhancements

Worm.io

Reported bugs

3 issues
  • Freezing/crashing on certain devices
  • Inconsistent collision detection
  • Losing mass/length when using speed boost

Requested features

4 requests
  • Ability to play with friends/in teams
  • Persistent name/skin between games
  • More game modes and levels
  • In-game currency system for skins/boosts

In-app purchases

7 purchases

Worm.is

One-time7
  • 200 Coins$0.99
  • Remove ads$1.99
  • 500 Coins$1.99
Show 4 more
  • 1200 Coins$3.99
  • 4000 Coins$6.99
  • 10000 Coins$14.99
  • 20000 Coins$24.99
7 purchases

Worm.io

One-time7
  • 500 Rubies$0.99
  • 1110 Rubies$2.99
  • No Ads$2.99
Show 4 more
  • 1750 Rubies$3.99
  • Vip Service$4.99
  • 3600 Rubies$5.99
  • 4800 Rubies$6.99

Questions

Is Worm.is free?
Worm.is is free to download, with in-app purchases available.
Is Worm.io free?
Worm.io is free to download, with in-app purchases available.
Which has better reviews, Worm.is or Worm.io?
Worm.is is rated higher. Worm.is averages 4.5 out of 5 from 233 ratings, while Worm.io averages 4.2 from 21K ratings.
Do Worm.is or Worm.io have ads?
Worm.io shows ads; Worm.is does not.
Which is updated more often, Worm.is or Worm.io?
Worm.is ships an update every 2 weeks, and Worm.io every 9 days. Most recently, Worm.is was updated on September 20, 2026 and Worm.io on September 24, 2026.

Other comparisons