Fishtank vs Focus Dive
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fishtank
Enhance your concentration with a unique approach to productivity. This app gamifies focus sessions, allowing you to build a virtual aquarium filled with discovered fish. Earn rewards and track your progress as you stay on task.
- Customizable focus session lengths
- App blocking for distraction prevention
- Ambient background options
- Progress tracking
- Earn mystery lootboxes
- Discover and collect rare fish
- Virtual aquarium simulation
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Dive into a new way of staying focused with Fishtank, where every focused moment helps you build your own mesmerizing aquatic world. This isn't just another focus app – it's a delightful blend of productivity and collection that turns your dedication into discovery. - Choose your focus session length - App blocking feature keeps you on track - Beautiful ambient backgrounds - Elegant progress tracking - Earn mystery lootboxes upon completing focus sessions - Discover fish of varying rarities - Watch your collected fish swim freely in your tank
Focus Dive
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Your brain already knows how to dive deep. Focus Dive just helps you aim it. Stay longer. Go deeper. Collect what you find. - Depth-based focus timer - Ocean treasures as rewards - Built for brains that work differently - Gentle insights, no pressure For hyperfocusers, ADHD minds, and anyone who's tired of fighting their own brain. Dive in.
Screenshots
Verdict
The clearest difference is in-app purchases: Focus Dive at none against Fishtank's 4. Fishtank's advantage is update cadence (every 4 days vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Fishtank sells 4 one-off in-app purchases. Focus Dive asks for nothing beyond the download.
Fishtank ships an update every 4 days, Focus Dive every 11 days. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.
| Parameter | Fishtank | Focus Dive |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 4 days — better | Every 11 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 | 18.2 |
| Further details — not scored | ||
| Size | 5 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Jiajun Zhang | Seung Ah Shin |
In-app purchases
Fishtank
- Platinum Lootbox$0.99
- Unlock Backgrounds$1.99
- Speed Boost$1.99
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- 10x Platinum Lootboxes$6.99
Focus Dive
No in-app purchases
