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BIG FISH! Idle Evolution

Tap, grow and evolve your fish
Sergey Li · Games
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App info

Developer
Sergey Li
Category
Games, Casual, Simulation
Released
Oct 14, 2026
Version
1.0.2 (Oct 15, 2026)
Price
Free
Size
187.7 MB
Requires
iOS 17.0
Age rating
4+
Languages
English

In-app purchases

2,600 Gems$19.99
1,200 Gems$9.99
100 Gems$0.99
Starter Bundle$2.99
550 Gems$4.99
Current prices, App Store US.
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About BIG FISH! Idle Evolution

Start as a tiny tadpole. End as the biggest creature in the ocean. BIG FISH! is a relaxing tap-and-grow game. Every tap adds mass to your fish. Grow enough and it evolves into a new species: 30 in total, from a 2-gram tadpole to a 150-tonne blue whale. TAP TO GROW • Tap anywhere on the screen. Every tap makes your fish heavier. • Land critical taps for triple growth. • Watch your fish swim and turn in a living, animated ocean. EVOLVE 30 SPECIES • Guppy, goldfish, lionfish, shark, orca, blue whale and many more. • Every species is bigger than the last. • Evolution is automatic: reach the mass, become the fish. UPGRADE YOUR GROWTH • Earn coins as you play and spend them on five upgrades. • Grow faster per tap, per second and while you are away. KEEPS GROWING WHILE YOU'RE AWAY • Your fish keeps growing for up to 12 hours while the game is closed. • Come back, collect your reward and carry…
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