Comparison

Penguin X vs Underwater Runner

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

Head to head
About

Penguin X

Features
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The adventures of a cute penguin on a snowboard! Easily control your penguin to make tricks and escape from an avalanche! Snowy mountains are full of dangers like abysses and single thin bridges! ...Let’s see below for further information! A WIDE VARIETY OF PENGUIN FACES The more you skate and the more tricks you do, the more different penguin faces you can get! Complete the list from cute to creepy! A WIDE VARIETY OF STAGE GIMMICKS Jumping platforms, single thin bridges, abysses, ice ponds, and many other stage gimmicks appear as you progress! How far can you go? EASY-TO-MAKE BIG TRICKS Use the stage gimmicks to make dangerous and flashy trick moves such as spin jumps and board slides! HOW TO CONTROL [Carving] Place your finger on the screen and slide in the direction you want to turn. [Jump] Release your finger from the screen and tap the "JUMP" button. [Spin] When jumping, hold your finger on the "Jump" button and slide in the direction you want to spin in the air. TIPS [Jump Trick] You can make a jump action by taking off a jump platform colored yellow, purple and red. The closer you jump to the edge of the jump platform, the more rewards you will receive at the end of the game. - Takeoff from Red part: Grade A - Takeoff from Purple part: Grade B - Takeoff from Yellow part: Grade C [Board-Slide Trick] When you jump onto a fallen tree, you can make a board-slide action. The longer you keep your board-slide, the more rewards you will receive at the end of the game. - Very long time slide: Grade A - Long time slide: Grade B - Short time slide: Grade C [Invincible Time] If you make any actions below, your penguin becomes invincible for a certain period of time. When you become invincible, you can destroy rocks and trees. 1. Make a spin while jumping and land successfully. 2. Jump onto a fallen tree and make a board-slide successfully. 3. Pick up gems that are left on the course. If you have any questions, please contact us at info@onaca.jp Privacy Policy: https://onaca.jp/privacy-policy-us Terms of Use: https://onaca.jp/terms-of-service-en

About

Underwater Runner

Features
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Dive into an underwater adventure! Dodge obstacles and set high scores! Explore the depths of the ocean in an exciting endless runner! Underwater Runner is not just a game—it’s a thrilling underwater adventure! Take control of a fearless diver, navigate through narrow caves, dodge dangerous obstacles, and collect coins to beat your personal best! Immerse yourself in the deep blue world: - Avoid sharks, jellyfish, and giant floating logs blocking your way. - Swim through narrow underwater caves that test your reflexes and precision. - Collect coins and prove you're the ultimate deep-sea explorer! Your skills define your record! Every run is a new challenge! How far can you go this time? Test your speed and reaction skills to become the true master of the deep. Are you ready for the challenge? Put on your gear, take a deep breath, and dive into the adventure of Underwater Runner!

Screenshots

Penguin X4 screens
Underwater Runner4 screens

Verdict

The call

The clearest difference is update cadence: Underwater Runner at every 4 days against Penguin X's every 2 months. Penguin X's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Penguin X ships an update every 2 months, Underwater Runner every 4 days. The most recent releases landed on February 24, 2026 and September 9, 2026 respectively.

Scorecard2 real differences · 4 level
Penguin X versus Underwater Runner: the parameters behind the verdict, then further details
ParameterPenguin XUnderwater Runner
PriceFreeFree
Update frequencyEvery 2 monthsEvery 4 days — better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size200 MB182 MB
Age rating4+4+
DeveloperOnacasoft Co., Ltd.Ankit Kanani

In-app purchases

None

Penguin X

No in-app purchases

None

Underwater Runner

No in-app purchases

Questions

Is Penguin X free?
Penguin X is free to download, with no in-app purchases.
Is Underwater Runner free?
Underwater Runner is free to download, with no in-app purchases.
Do Penguin X or Underwater Runner have ads?
Both Penguin X and Underwater Runner show ads.
Which is updated more often, Penguin X or Underwater Runner?
Penguin X ships an update every 2 months, and Underwater Runner every 4 days. Most recently, Penguin X was updated on February 24, 2026 and Underwater Runner on September 9, 2026.

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