Best Underwater Apps & Games

249+ iOS apps & games curated and reviewed

4.3 avg rating
18 free apps & games
Updated September 2026

Diving Simulator 2020 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
1Diving Simulator 2020Diving Simulator 2020Free4.3★ (1.4K)NoNoSep 2026
2Tap Tap Fish - AbyssRiumTap Tap Fish - AbyssRiumFree4.5★ (24K)YesYesSep 2026
3SeashineSeashineFree4.8★ (4.7K)NoYesSep 2026
4Ocean Survival RPG: Deep DiveOcean Survival RPG: Deep DiveFree4.0★ (11)YesYesAug 2026
5Shark ioShark ioFree4.4★ (878)NoNoSep 2026
6Underwater QuadrocopterUnderwater QuadrocopterFree—NoNoMay 2026
7Underwater Shark EvolutionUnderwater Shark EvolutionFree5.0★ (1)NoNoMay 2026
8Underwater ShooterUnderwater ShooterFree4.8★ (160)YesNoSep 2026

Top Picks for Underwater

Diving Simulator 2020#1

Diving Simulator 2020 by Ilia Stepanov

Best diving simulator
Editor's Choice
🎮 Games
4.3(1.4K ratings)
Free
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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.

Tap Tap Fish - AbyssRium#2

Tap Tap Fish - AbyssRium by SangHeon Kim

My healing aquarium
Strong Contender
🎮 Games
4.5😐(24K ratings)
FreeAdsIn-App Purchases
Tap Tap Fish - AbyssRium screenshot 1
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Tap Tap Fish - AbyssRium screenshot 3
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Tap Tap Fish - AbyssRium screenshot 5
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An idle, relaxing game designed to relieve stress and calm the mind. Expand your aquarium, invite adorable fish friends, and enjoy a peaceful experience. Watch your underwater world grow and feel your worries melt away.

What We Love

  • 🌊 Calming, relaxing atmosphere
  • 🐠 Beautiful, creative fish designs
  • 🎨 Aesthetically pleasing visuals
  • 🎶 Soothing background music

Room to Improve

  • 💰 Excessive in-app purchases and ads
  • 🕰️ Slow progression and tedious grinding
  • 🐛 Frequent crashes and bugs
  • 🔍 Confusing, cluttered UI
Seashine#3

Seashine by Patrick Ellis

A light in the abyss
Worth Considering
🎮 Games
4.8😊(4.7K ratings)
FreeIn-App Purchases
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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

More Underwater apps to explore

FAQ about Underwater

What are the best underwater apps & games for iPhone?
Diving Simulator 2020 tops our underwater apps & games ranking as of September 2026, with a 4.3-star average from 1.4K App Store ratings, and it's free to download.
Yes — 18 of the top underwater apps & games we rank are free to download, including Diving Simulator 2020 and Tap Tap Fish - AbyssRium.
Diving Simulator 2020 has no ads and has no 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.
This app is a free diving simulator that allows you to immerse yourself in the underwater world. You can explore reefs, discover sunken ships, and observe various marine life, including large species like whales and hammerhead sharks.
Key features include detailed graphics, first and third-person views, intuitive controls, and three distinct diving sites. You can encounter a variety of marine life and even dive with whales and hammerhead sharks.

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