Best Underwater Apps & Games

249+ iOS apps & games curated and reviewed

4.4 avg rating
18 free apps & games
Updated September 2026

Seashine is the household name in underwater, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Underwater Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1SeashineSeashineFree4.8★ (4.7K)NoYesSep 2026
2Diving Simulator 2020Diving Simulator 2020Free4.3★ (1.2K)NoNoSep 2026
3Shark ioShark ioFree4.4★ (878)NoNoSep 2026
4Underwater QuadrocopterUnderwater QuadrocopterFreeNoNoMay 2026
5Ocean Survival RPG: Deep DiveOcean Survival RPG: Deep DiveFree4.0★ (11)YesYesAug 2026
6Tap Tap Fish - AbyssRiumTap Tap Fish - AbyssRiumFree4.5★ (24K)YesYesSep 2026
7Survival Underwater Shark GameSurvival Underwater Shark GameFree4.4★ (7.6K)YesYesSep 2026
8Underwater adventure 3DUnderwater adventure 3DFree4.0★ (2)NoYesAug 2026

Top Picks for Underwater

Seashine#1

Seashine by Patrick Ellis

A light in the abyss
Editor's Choice
🎮 Games
4.8😊(4.7K ratings)
FreeIn-App Purchases
Seashine screenshot 1
Seashine screenshot 2
Seashine screenshot 3
Seashine screenshot 4
Seashine screenshot 5

Explore a mysterious, dangerous underworld as a fragile jellyfish. Absorb light to survive longer and evade bizarre creatures lurking in the darkness. Experience an endless, unique survival quest with intuitive touch controls and a dynamic soundtrack.

What We Love

  • 🌟 Beautiful graphics and atmosphere
  • 🎶 Calming and immersive soundtrack
  • 🕹️ Unique and challenging gameplay
  • 🔍 Interesting creature discoveries
  • 📚 Detailed creature encyclopedia

Room to Improve

  • 🕹️ Difficult controls
  • ⏱️ Light meter drains too quickly
  • 🐲 Aggressive enemy encounters
  • 🔁 Repetitive gameplay after discovery
  • 💰 Expensive in-app purchases
Diving Simulator 2020#2

Diving Simulator 2020 by Ilia Stepanov

Best diving simulator
Strong Contender
🎮 Games
4.3(1.2K ratings)
Free
Diving Simulator 2020 screenshot 1
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Diving Simulator 2020 screenshot 3
Diving Simulator 2020 screenshot 4
Diving Simulator 2020 screenshot 5

Experience the underwater world with this free diving simulator. Explore vibrant reefs, discover sunken ships, and encounter diverse marine life, including whales and sharks. Features detailed graphics and multiple diving locations.

Shark io#3

Shark io by Tap2Play, LLC (Ticker: TAPM)

Worth Considering
🎮 Games
4.4😊(878 ratings)
Free
Shark io screenshot 1
Shark io screenshot 2
Shark io screenshot 3
Shark io screenshot 4
Shark io screenshot 5

Control a hungry shark and wreak havoc on everything in sight, from marine life to unsuspecting humans and boats. Compete with other players in multiplayer mode to get the highest score. Customize your shark and enjoy realistic environments and smooth gameplay.

What We Love

  • 👍 Fun and engaging game
  • 👍 Enjoyable shark simulation
  • 👍 Addictive gameplay
  • 👍 Great for shark lovers

Room to Improve

  • 🐛 Frequent glitches and freezing issues
  • 🔍 Lack of content and features
  • 🎨 Outdated or poor graphics
  • 🎮 Challenging or unresponsive controls

More Underwater apps to explore

FAQ about Underwater

What are the best underwater apps & games for iPhone?
Seashine tops our underwater apps & games ranking as of September 2026, with a 4.8-star average from 4.7K App Store ratings, and it's free to download.
Yes — 18 of the top underwater apps & games we rank are free to download, including Seashine and Diving Simulator 2020.
Seashine has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ underwater apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Seashine is a survival game where you play as a jellyfish in the deep ocean abyss. Your goal is to absorb light to survive longer while exploring a mysterious underworld filled with dangers and strange creatures.
Key features include exploring a gorgeous and endless underworld, an unlimited experience where each game is unique, intuitive touch controls, and a beautiful dynamic soundtrack that reacts to the environment.

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