TinyAquarium: Pocket Fish Tank

Your fish swim & earn even while away! Hatch eggs with real steps, collect 1,000+ fish, breed rare gene mutations & relax with Lo-Fi ambient soundscapes.

A breathing, peaceful aquarium right in your pocket.

TinyAquarium is a gentle idle fish-keeping experience designed for calm and mindfulness. There are no aggressive daily streaks or stressful timers. Even when the app is closed, your fish keep swimming peacefully and blowing bubble coins for you to harvest whenever you return.

■ Walk to Hatch Real Life Eggs incubate with your daily step count. Whether you are commuting, taking a walk, or walking your dog, every single step nurtures the life within the shell. When ready, gently tap the shell to welcome your new fry into the light.

■ Over 1,000 Species to Discover From beloved neon tetras and fancy guppies to mystical deep-sea creatures and prehistoric legends. Complete all 8 encyclopedia categories one discovery at a time.

■ Gene Breeding & Rare Mutations Pair mature male and female fish in the Breeding Lab. Genetics shape their offspring with chances of striking rare mutations. Discover secret formulas to hatch glowing Overlords and Mythical Awakened forms.

■ 50 Hand-Drawn Decors & 7 Water Themes Driftwood, aquatic plants, rock formations, coral reefs, and ancient ruins. Freely drag, drop, and style your tank across 7 ambient water themes, including Tropical Forest, Deep Ocean, and Zen Garden.

■ Passive Bubble Coin Production Fish continuously produce bubble coins while you are away. Open the app to pop rows of floating bubbles and use your earnings to expand your tank and upgrade your food supplies.

■ Live Home Screen Widget Glance at your aquarium, monitor step progress, and feed your fish with a single tap directly from your iOS Home Screen.

■ Lo-Fi Focus Timer & Ambient Vinyl Procedurally generated soothing Lo-Fi vinyl soundscapes paired with a customizable pomodoro timer. Pick your favorite companion fish to swim alongside your study or work sessions.

■ Serverless P2P Local Trading Exchange live fish and procedural vinyl records directly with friends nearby over Bluetooth and local Wi-Fi, without needing any server or login.

— ・No ads, no account registration required ・Seamless iCloud sync across all your devices ・Supports portrait and immersive landscape views

In-app purchases are optional: bubble coin packs (consumable) and a one-time TinyAquarium Pro unlock (+25% coin production rate, +8 food jar slots, +10% breeding mutation rate, three exclusive water themes and more decoration slots). Everything is reachable by playing — buying only changes the pace.