Comparison

Focus Aquarium vs Focus Dive

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Focus Aquarium

Read full description

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 3ร— 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/

About

Focus Dive

Features
Read full description

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

Focus Aquarium4 screens
Focus Dive4 screens

Verdict

The call

The clearest difference is in-app purchases: Focus Dive at none against Focus Aquarium's 3. On price, update cadence, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Focus Aquarium sells 3 in-app purchases, starting at $3.99 per month. Focus Dive asks for nothing beyond the download.

UpkeepUpdate frequency

Focus Aquarium ships an update fortnightly, Focus Dive every 11 days. The most recent releases landed on September 11, 2026 and May 16, 2026 respectively.

Scorecard1 real difference ยท 5 level
Focus Aquarium versus Focus Dive: the parameters behind the verdict, then further details
ParameterFocus AquariumFocus Dive
PriceFreeFree
Update frequencyFortnightlyEvery 11 days โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS18.618.2 โ€” better
Further details โ€” not scored
Size45 MB62 MB
Age rating4+4+
DeveloperERIK MICHAEL HAFTELSeung Ah Shin

In-app purchases

3 purchases

Focus Aquarium

Subscriptions2
  • Premium (Monthly)$3.991 Month
  • Premium (Yearly)$29.991 Year
One-time1
  • Premium (Lifetime)$59.99
None

Focus Dive

No in-app purchases

Questions

Is Focus Aquarium free?
Focus Aquarium is free to download, with in-app purchases available.
Is Focus Dive free?
Focus Dive is free to download, with no in-app purchases.
Do Focus Aquarium or Focus Dive have ads?
Neither Focus Aquarium nor Focus Dive shows ads.
Which is updated more often, Focus Aquarium or Focus Dive?
Focus Aquarium ships an update fortnightly, and Focus Dive every 11 days. Most recently, Focus Aquarium was updated on September 11, 2026 and Focus Dive on May 16, 2026.

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