Idle Aquarium: Fish Tank Zoo

About this app

Welcome to Idle Aquarium! Build a fin-tastic aquarium brimming with aquatic life and reel in the money! • Start small Start with a small exhibit where visitors can see the fish in your collection and use their donations to improve your aquarium! • Attract guests Decorate and improve your reception in order to attract more customers and keep them happy through aquatic research and happy marine life. More visitors means more donations for your aquarium! • Collect fish Sail away to discover new fish species that you can include in your aquarium exhibits and bring in rarer and legendary fish... is that a Kraken?! • Upgrade tanks Buy new fish tanks and improve the existing ones so that you can accommodate even more fish. Adding tank decoration or information stands will make customers even happier, which will translate into more donations! • Expand Upgrade your gift shop by adding new sale items or improving the existing ones. You can also add other exhibits rooms to host other species such as otters, penguins or lobsters. Your customers will appreciate it and will spend more money! Take your aquarium to the next level and become rich!

IAP bug fix.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 16, 2026 · 7:27 AM Free