Comparison

CoreFocus vs TsukiUsagi Timer

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
Read full description

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

TsukiUsagi Timer

Features
Read full description

When your focus starts to drift, the moon brings it back. TsukiUsagi Timer is a minimalist Pomodoro timer inspired by the quiet rhythm of the night. Start a focus session, take a gentle break, and write a short reflection to reset your mind. Features β€’ Clean, distraction-free UI built with SwiftUI β€’ Moon animation that marks your focus & break cycles β€’ Pomodoro workflow with customizable durations β€’ Subtle haptics and local notifications β€’ Session history with brief reflections β€’ English & Japanese localization β€’ Private by design β€” no sign-in, no data collection Let the moon set the pace: focus, breathe, and return to center.

Screenshots

CoreFocus4 screens
TsukiUsagi Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: TsukiUsagi Timer at none against CoreFocus's 4. TsukiUsagi Timer also leads on ads (none vs shown) and update cadence (every 9 days vs every 4 weeks). CoreFocus's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.5). On price 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. TsukiUsagi Timer asks for nothing beyond the download.

UpkeepUpdate frequency

CoreFocus ships an update every 4 weeks, TsukiUsagi Timer every 9 days. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

Scorecard5 real differences Β· 1 level
CoreFocus versus TsukiUsagi Timer: the parameters behind the verdict, then further details
ParameterCoreFocusTsukiUsagi Timer
PriceFreeFree
Update frequencyEvery 4 weeksEvery 9 days β€” better
AdsYesNo β€” better
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS15.0 β€” better18.5
Further details β€” not scored
Size63 MB15 MB
Age rating4+4+
DeveloperIsuru LakmalKazumi Matsumoto

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
None

TsukiUsagi Timer

No in-app purchases

Questions

Is CoreFocus free?
CoreFocus is free to download, with in-app purchases available.
Is TsukiUsagi Timer free?
TsukiUsagi Timer is free to download, with no in-app purchases.
Do CoreFocus or TsukiUsagi Timer have ads?
CoreFocus shows ads; TsukiUsagi Timer does not.
Which is updated more often, CoreFocus or TsukiUsagi Timer?
CoreFocus ships an update every 4 weeks, and TsukiUsagi Timer every 9 days. Most recently, CoreFocus was updated on October 3, 2026 and TsukiUsagi Timer on October 13, 2026.

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