Comparison

Smooth.io vs Tentacles Attack

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

Head to head
About

Smooth.io

Engage in a fun, competitive snake game with upgraded io gameplay and vibrant graphics. Choose between offline Infinity mode or battle other players in Survival mode to become the last survivor and climb the leaderboards.

Highlights
  • Competitive snake gameplay
  • Multiple game modes (Infinity, Survival, Festival)
  • Vivid graphics and worm skins
  • Adaptive mobile controls (joystick, arrow, follow)
  • Offline play available
  • Multiplayer leaderboards
Features
Read full description

SMOOTH.IO is a super fun competitive snake game with upgraded io gameplay and vivid graphics with various stunning and cute worm skins. You can play offline alone free no matter where you are with Infinity mode, or you can also join battle with other players to be the last survivor in Survival mode. Let slither to the first place on the leaderboard in this popular, addictive and challenging io mobile game! How to play this classic snake game: - Go to setting first to choose your dominant hand. If you are a left-handed io player, then choose left hand mode. Our game is made to be easy for all! Next, chose your favorite mode of io moving: joystick, arrow, or follow. You can try all three styles for your snake first before choose the one that suits you the best! - The snake character will continuously be crawling in the direction of your finger pointer, so moving your finger quickly allows you to get out of enemies quickly. - Do not let your head touch another snake player, you will be exploded. Similarity, if other snakes' head run into YOU, THEY get exploded, so you can eat their remains to get bigger! - Try Infinity mode to become the top snake. Enter Survival mode and you have to defeat all other snake players to be the last survivor. Battle against other snakes and the boss snake ayo! Or throw yourself into Festival mode where you can find all the extremely rare and unique new snake skins!!! Felt excited yet?! Tips & Tricks to defeat other worms: • Steal food from enemies as fast as possible. The more you eat, the bigger you are! And you got more points for that. Be the best giant snake and slither to eat all other enemies. • Cross the path of bigger enemies to get them to run into your body. You don't have to be bigger than other snakes to be able to kill them, you have a chance to win even if you're tiny. But it also means that other worms that are smaller than you can eat you too! Be ware of little cutie snakes suddenly appear on your way!!! • Trap other snake players by circling them. This is the best part! Show the enemy your kills, record and post it online to show off with your friends! FEATURE: - Hundreds of new vibrant and impressive skins - .io game with smooth gameplay and various adaptive mobile controls - Competitive gameplay theme Enjoy and good luck to achieve results on the Multiplayer leaderboard. DOWNLOAD NOW!

About

Tentacles Attack

Control a creature with tentacles to grab enemies and grow larger. Conquer the entire city by expanding your reach and overwhelming your opponents.

Highlights
  • Tentacle grabbing mechanics
  • Grow in size
  • City takeover gameplay
  • Enemy conquest
Features
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Grab your enemies with your tentacles, grow in size, take over the city!

Screenshots

Smooth.io4 screens
Tentacles Attack4 screens

Verdict

The call

The clearest difference is review sentiment: Smooth.io at 67% against Tentacles Attack's 3%. Smooth.io also leads on rating (4.3 vs 2.0) and ratings volume (245 vs 39). Tentacles Attack's advantage is in-app purchases (none vs 10). On price, update cadence, ads 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. Smooth.io sells 10 one-off in-app purchases. Tentacles Attack asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Smooth.io holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: Smooth.io has 245 ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 67% of Smooth.io's written reviews are positive against 3% of Tentacles Attack's.

UpkeepUpdate frequency

Smooth.io ships an update weekly, Tentacles Attack every 10 days. The most recent releases landed on July 6, 2026 and September 4, 2026 respectively.

Scorecard5 real differences · 5 level
Smooth.io versus Tentacles Attack: the parameters behind the verdict, then further details
ParameterSmooth.ioTentacles Attack
PriceFreeFree
Rating4.3 (245 ratings) — better2.0 (39 ratings)
Positive reviews66.7% of reviews — better3.2% of reviews
Number of ratings245 — better39
Update frequencyWeekly — betterEvery 10 days
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.011.0
Further details — not scored
Size215 MB277 MB
Age rating9+4+
DeveloperKim Chinh Nguyen ThiYso Corp

Customer experience

Smooth.io

All ratings245 ratings
Positive82.4%
Neutral6.5%
Negative11.0%
Written reviews9 reviews
Positive66.7%
Neutral11.1%
Negative22.2%

Tentacles Attack

All ratings39 ratings
Positive23.1%
Neutral2.6%
Negative74.4%
Written reviews31 reviews
Positive3.2%
Neutral16.1%
Negative80.6%

In-app purchases

10 purchases

Smooth.io

One-time10
  • Limited Pack$0.99
  • Skin 21$0.99
  • Skin 22$0.99
Show 7 more
  • Remove Ads$0.99
  • Skin 24$1.99
  • Skin 23$1.99
  • Skin 40$2.99
  • Skin 39$2.99
  • Skin 42$2.99
  • Epic pack$4.99
None

Tentacles Attack

No in-app purchases

Questions

Is Smooth.io free?
Smooth.io is free to download, with in-app purchases available.
Is Tentacles Attack free?
Tentacles Attack is free to download, with no in-app purchases.
Which has better reviews, Smooth.io or Tentacles Attack?
Smooth.io is rated higher. Smooth.io averages 4.3 out of 5 from 245 ratings, while Tentacles Attack averages 2.0 from 39 ratings.
Do Smooth.io or Tentacles Attack have ads?
Both Smooth.io and Tentacles Attack show ads.
Which is updated more often, Smooth.io or Tentacles Attack?
Smooth.io ships an update weekly, and Tentacles Attack every 10 days. Most recently, Smooth.io was updated on July 6, 2026 and Tentacles Attack on September 4, 2026.

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