Comparison

CoreFocus vs Focus Aquarium

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

Head to head
About

CoreFocus

Features
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Boost Your Focus with CoreFocus - Pomodoro timer app Stop Getting Distracted. Start Getting Things Done. Do you find it hard to focus? Wish studying or working felt easier and more fun? Corefocus is the simple, rewarding app that helps you stay on task, manage distractions, and build better habits β€” perfect for students, professionals, and anyone managing ADHD or looking to improve focus. It’s focus made fun. Stay consistent and grow your own virtual farm as you study or work. Simple Tools for Serious Focus We believe getting things done should be easy, not stressful. Simple Timer: Just Focus and Go Corefocus uses the proven Pomodoro technique (work then break). Customize your focus and break durations to match your workflow. It handles the timing so you can stay productive and relaxed. Grow Your Farm While You Focus Every focused session helps your farm come to life. Earn coins, unlock chickens, and decorate your own peaceful farm. Watch your world grow as your focus improves day after day. Earn Rewards and Compete Why just work when you can grow and achieve more? FocusFarm keeps you motivated with fun, rewarding systems. Earn Points and Achievements Complete focus sessions to earn coins, achievements, and progress milestones. Climb the Leaderboard See how your focus streak compares with others. Track your rank on weekly and all-time charts, and challenge yourself to stay consistent. Clean, Calm, and Personal Distraction-Free Design Enjoy a minimalist interface designed to help you focus without clutter. Personal Touch Choose your avatar, decorate your farm, and make FocusFarm your own. Focus Made Fun Whether you’re studying for exams, working on projects, or managing ADHD, FocusFarm helps you build focus through calm, rewarding progress. Work smarter. Stay consistent. Grow your focus - and your farm. Download Corefocus today and start your journey to better focus and productivity. Privacy Policy: https://sites.google.com/view/corefocus/home Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Focus Aquarium

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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 3Γ— 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/

Screenshots

CoreFocus4 screens
Focus Aquarium4 screens

Verdict

The call

The clearest difference is ads: Focus Aquarium at none against CoreFocus's shown. CoreFocus's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.6). On price, update cadence and in-app purchases there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. CoreFocus sells 4 in-app purchases, starting at $1.99 per 7 days and Focus Aquarium sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CoreFocus ships an update every 4 weeks, Focus Aquarium fortnightly. The most recent releases landed on October 3, 2026 and October 16, 2026 respectively.

Scorecard3 real differences Β· 3 level
CoreFocus versus Focus Aquarium: the parameters behind the verdict, then further details
ParameterCoreFocusFocus Aquarium
PriceFreeFree
Update frequencyEvery 4 weeksFortnightly β€” better
AdsYesNo β€” better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS15.0 β€” better18.6
Further details β€” not scored
Size63 MB45 MB
Age rating4+4+
DeveloperIsuru LakmalERIK MICHAEL HAFTEL

In-app purchases

4 purchases

CoreFocus

Subscriptions3
  • CoreFocus Weekly Pro$1.997 Days
  • CoreFocus Monthly Pro3 Days trial$3.991 Month
  • CoreFocus Yearly Pro3 Days trial$14.991 Year
One-time1
  • CoreFocus Lifetime pro access$19.99
3 purchases

Focus Aquarium

Subscriptions2
  • Premium (Monthly)$3.991 Month
  • Premium (Yearly)$29.991 Year
One-time1
  • Premium (Lifetime)$59.99

Questions

Is CoreFocus free?
CoreFocus is free to download, with in-app purchases available.
Is Focus Aquarium free?
Focus Aquarium is free to download, with in-app purchases available.
Do CoreFocus or Focus Aquarium have ads?
CoreFocus shows ads; Focus Aquarium does not.
Which is updated more often, CoreFocus or Focus Aquarium?
CoreFocus ships an update every 4 weeks, and Focus Aquarium fortnightly. Most recently, CoreFocus was updated on October 3, 2026 and Focus Aquarium on October 16, 2026.

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