250+ iOS apps & games curated and reviewed
Subnautica is the household name in subnautica two, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $5.99 was $8.99 | 4.6★ (1.2K) | No | No | Aug 2026 |
| 2 |  | $6.99 was $9.99 | 4.6★ (107) | No | No | Aug 2026 |
| 3 |  | Free | — | Yes | Yes | Jun 2026 |
| 4 |  | Free | 4.7★ (33K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 1.0★ (1) | Yes | Yes | Jun 2026 |
| 6 |  | Free | 4.7★ (8.7K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.4★ (90) | No | Yes | Aug 2026 |
| 8 |  | Free | — | — | No | Jul 2026 |
Explore a vast alien ocean planet, craft equipment, pilot submarines, and uncover mysteries to survive. This open-world adventure offers multiple game modes for different playstyles.
Embark on an underwater survival adventure in an arctic alien ocean. Investigate mysteries, craft equipment, and explore new biomes and creatures. Survive the cold and uncover the truth behind an ancient alien civilization.
Survive a plane crash at sea by building and expanding your raft. Gather resources, craft essential items, and manage your health to stay alive against hunger, thirst, and a persistent shark.
Experience realistic 3D underwater spearfishing on your mobile device. Explore diverse aquatic environments, encounter numerous fish species, and navigate challenging underwater scenarios. Upgrade your gear and embark on a thrilling hunting adventure.
Control a hungry shark, evolving it from a baby into a fearsome sea monster. Hunt and consume everything in sight, from scuba divers to ships, across vast oceans and even outer space. Upgrade your shark's abilities to become the ultimate underwater predator.
Embark on an underwater adventure as a powerful shark in a stunning 3D ocean world. Explore diverse environments, complete missions, and upgrade your shark. Enjoy a relaxing yet thrilling offline experience with smooth controls and immersive visuals.
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.
Build and expand your dream raft with friends in this multiplayer survival game. Gather resources, craft tools and weapons, and manage hunger and thirst to stay alive. Team up with up to 10 players to explore the ocean and help each other survive.
This app provides a detailed map and guide for the underwater survival game. It helps players locate points of interest, track their progress, and organize their exploration of the game's world. Some advanced features require a purchase.
Experience the thrill of being a powerful shark in a 3D underwater world. Hunt beach-goers, other sea creatures, and evolve your shark to dominate the food chain. Explore diverse environments and choose from various shark species.
Become a predator in a vibrant underwater world. Hunt for smaller fish to grow and survive, while avoiding larger predators. Experience a relaxing yet engaging fishing adventure.
Survive a solitary existence on a raft in the vast ocean. Gather resources, craft essential items, and manage your needs for food and fresh water while evading a persistent shark. Build and expand your raft to create a sustainable living space.
Embark on an underwater adventure exploring reefs, caves, and shipwrecks. Search for treasure while managing oxygen and evading dangerous sea creatures. Complete missions to become the ultimate underwater explorer.
Embark on an underwater survival adventure as you explore a mysterious ocean planet. Gather resources, craft gear, and evade dangerous creatures to escape the treacherous depths. Your survival depends on your ability to adapt and overcome.
Command a submarine in an epic round-the-world race. Upgrade your vessel with new parts, collect resources, complete quests, and explore diverse underwater locations. Compete against others and climb the world rankings to become the ultimate captain.
Experience life as a shark in this ocean survival game. Hunt various sea creatures and unsuspecting humans to satisfy your hunger and complete thrilling missions in a deep-sea environment. Customize your shark and enjoy stunning animations.