# Focus Aquarium — Focus Timer for ADHD & Study

> Focus Timer for ADHD & Study (iPhone/iPad app by ERIK MICHAEL HAFTEL.)

- Source: https://appshunter.io/ios/app/focus-aquarium/id6760512225 (this page in markdown: same URL + `.md`)
- Developer: [ERIK MICHAEL HAFTEL](https://appshunter.io/developer/1884769516)
- Category: Productivity, Health & Fitness
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.6 · 45 MB
- Languages: English
- Released: 2026-05-12
- Data updated: 2026-07-28
- User reviews in markdown: https://appshunter.io/ios/app/focus-aquarium/id6760512225/reviews.md

## What is Focus Aquarium?

Turn your focus into a living aquarium.
Built for students, professionals, and anyone with ADHD who needs a gentle nudge to stay off their phone and get into flow.
While you focus, Otto the octopus collects pearls from the ocean floor - use them to unlock fish, grow your tank, and watch your underwater world evolve session by session.

No pressure. No guilt. Just gentle progress.


FEATURES

Focus timer with real rewards
- 15, 25, 45, or 60 minute sessions
- Earn pearls while you focus
- Watch your aquarium evolve over time

Calm by design
- Gentle, ADHD-friendly experience
- No pressure or punishment
- Designed to help you stay consistent

Build your aquarium
- Unlock fish and backgrounds
- Customize your tank
- Create your own underwater world

Deep Focus Mode
- Block distracting apps during sessions
- Stay fully present and uninterrupted

Simple focus stats
- Track sessions, time, and streaks
- Visualize your progress over time


UNLOCK PREMIUM

- Earn 3× more pearls
- Unlock corals for premium fish & rewards
- Customize app blocking (block lists)
- Unlock a larger tank for more fish
- Access full stats history


Available as monthly, yearly, or lifetime.


PRIVACY FIRST

Focus Aquarium does not collect or sell your personal data.
Everything stays on your device.


Start small. Stay consistent.
And watch your aquarium come to life.


Privacy Policy: https://focusaquarium.carrd.co/
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium (Monthly) | $3.99 | per month |
| Premium (Yearly) | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium (Lifetime) | $59.99 | one-time |



## Version history (last 4 releases)

### 1.1 — 2026-07-23

A warmer welcome to Focus Aquarium 

• Otto now greets new divers with a gift of pearls, so your very first focus session can bring home its first fish.
• Gentler notifications: Otto only asks to send them after you've finished a session, and a friendly nudge can invite you back if you've drifted away for a while.
• Reliability improvements to Deep Focus and session tracking behind the scenes.

Thanks for diving in.

### 1.0.2 — 2026-05-27

- Improved device compatibility — Focus Aquarium now works on more iPhones than before
- Minor stability improvements

### 1.0.1 — 2026-05-14

Performance improvements and bug fixes.

### 1.0 — 2026-05-12

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-28.*