Comparison

Tornado.io! vs Slime.io

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

Head to head
About

Tornado.io!

Control a growing tornado to destroy objects and become larger. Compete against other players in an arena to achieve first place and dominate the destruction. Challenge friends to see who can cause the most chaos.

Highlights
  • Control a tornado
  • Destroy objects to grow
  • Battle other tornadoes
  • Compete for first place
  • Challenge friends
  • Total destruction
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You feel like a tornado! Make trees and roofs of houses twist in air, destroy more and become bigger. Experience a battle in a small arena - fight with other tornadoes for the first place! Challenge your friends in a TOTAL DESTRUCTION competition! Make your opponents gone with the wind!

About

Slime.io

Control a rolling ball to cover the most ground with slime. Collect dots to grow larger and faster, aiming to dominate the game area. It's an addictive experience focused on territorial control.

Highlights
  • Roll and slime area
  • Collect dots
  • Get bigger and faster
  • Dominate game area
  • Addictive gameplay
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Most Addictive io Game! Roll the ball and slime as much area as you can. Collect the dots to get bigger and faster! Slime the most area to win the game!

Screenshots

Tornado.io!4 screens
Slime.io4 screens

Verdict

The call

The clearest difference is rating: Tornado.io! at 4.7 against Slime.io's 3.8. Tornado.io! also leads on ratings volume (98K vs 6). Slime.io's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence and device support 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. Tornado.io! sells 10 one-off in-app purchases. Slime.io asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Tornado.io! holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Tornado.io! has 98K ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 51% of Tornado.io!'s written reviews are positive against 67% of Slime.io's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Tornado.io! ships an update every 2 weeks, Slime.io fortnightly. The most recent releases landed on November 10, 2026 and November 2, 2026 respectively.

Scorecard7 real differences · 3 level
Tornado.io! versus Slime.io: the parameters behind the verdict, then further details
ParameterTornado.io!Slime.io
PriceFreeFree
Rating4.7 (98K ratings) — better3.8 (6 ratings)
Positive reviews51.5% of reviews66.7% of reviews — better
Number of ratings98K — better6
Update frequencyEvery 2 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.08.0 — better
Further details — not scored
Size342 MB69 MB
Age rating12+4+
DeveloperMossa Games, LLCEntity3 Limited

Customer experience

Tornado.io!

All ratings97,469 ratings
Positive94.0%
Neutral3.1%
Negative2.9%
Written reviews334 reviews
Positive51.5%
Neutral12.3%
Negative36.2%

Slime.io

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Bugs and requests

Tornado.io!

Reported bugs

4 issues
  • Skin selection screen issues
  • Leaderboard and progress tracking bugs
  • Crashes and freezes during gameplay
  • Paid features not working as expected

Requested features

5 requests
  • More game modes and maps
  • Ability to choose maps
  • Longer game rounds or free-play mode
  • Improved skin/customization system
  • Online multiplayer functionality

Slime.io

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Tornado.io!

One-time10
  • Coin set 1$0.99
  • NO ADS$2.99
  • Special offer$2.99
Show 7 more
  • Christmas offer$3.99
  • Special Bundle$3.99
  • Coin set 2$4.99
  • Coin set 3$9.99
  • Coin set 4$19.99
  • Coin set 5$49.99
  • Coin set 6$99.99
None

Slime.io

No in-app purchases

Questions

Is Tornado.io! free?
Tornado.io! is free to download, with in-app purchases available.
Is Slime.io free?
Slime.io is free to download, with no in-app purchases.
Which has better reviews, Tornado.io! or Slime.io?
Tornado.io! is rated higher. Tornado.io! averages 4.7 out of 5 from 98K ratings, while Slime.io averages 3.8 from 6 ratings.
Do Tornado.io! or Slime.io have ads?
Tornado.io! shows ads; Slime.io does not.
Which is updated more often, Tornado.io! or Slime.io?
Tornado.io! ships an update every 2 weeks, and Slime.io fortnightly. Most recently, Tornado.io! was updated on November 10, 2026 and Slime.io on November 2, 2026.

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