Comparison

Focus Blocks vs Koku

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

Head to head
About

Focus Blocks

Features
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Pomodoro Day helps you break your day into manageable focus sessions โ€” plan sessions at start of the day, take one session at a time, and stay focused and calm. No multitasking. No overwhelm. Plan Structure your day before it starts. Add sessions with custom durations and tags. See your calendar events alongside your focus blocks so nothing collides. Focus Start a session and the timer takes over. A mindfulness bell marks the end. Take a break, then move to the next one. Track See where your time actually goes. Daily, weekly, and monthly views show patterns by tag โ€” so you can adjust tomorrow based on today. What makes it different โ€ข Planning-first โ€” this isn't just a timer, it's a day planner โ€ข Calendar sync โ€” see Outlook, Gmail, and Apple Calendar events inline โ€ข Focus music โ€” play background music from your Apple Music library โ€ข iCloud sync โ€” your sessions, across all your Apple devices. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Koku

Features
Read full description

Koku is a focus timer for deep work. Focus. Rest. Repeat. Set your own session lengths or use the classic rhythm - twenty-five minutes of focus, five minutes of rest, a longer break every four sessions. Each minute is a dot. Watch them fill. - No accounts. - No streaks. - No subscriptions. Just time, and the work in front of you. Add Koku to your Home Screen for quick access - start, pause, and skip sessions right from the widget. Keep the timer visible on your lock screen with Live Activities. Koku also includes an Apple Watch companion app that works with the iPhone app, so you can check your timer and control sessions from your wrist. Designed for iPhone, with an Apple Watch companion. Light and dark mode. Works in any language. Koku (ๅˆป) is the Japanese word for a moment of time.

Screenshots

Focus Blocks4 screens
Koku4 screens

Verdict

The call

The clearest difference is in-app purchases: Koku at none against Focus Blocks's 2. 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 Blocks sells 2 in-app purchases, starting at $4.99 per year. Koku asks for nothing beyond the download.

UpkeepUpdate frequency

Focus Blocks ships an update every 2 days, Koku every 3 days. The most recent releases landed on September 8, 2026 and July 22, 2026 respectively.

Scorecard1 real difference ยท 5 level
Focus Blocks versus Koku: the parameters behind the verdict, then further details
ParameterFocus BlocksKoku
PriceFreeFree
Update frequencyEvery 2 days โ€” betterEvery 3 days
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS26.0 โ€” better26.4
Further details โ€” not scored
Size9 MB4 MB
Age rating4+4+
DeveloperMohit MehtaRodolfo Alberto Lopez Terriquez

In-app purchases

2 purchases

Focus Blocks

Subscriptions1
  • Pomodoro Annual Pro7 Days trial$4.991 Year
One-time1
  • Pro Unlock$4.99
None

Koku

No in-app purchases

Questions

Is Focus Blocks free?
Focus Blocks is free to download, with in-app purchases available.
Is Koku free?
Koku is free to download, with no in-app purchases.
Do Focus Blocks or Koku have ads?
Neither Focus Blocks nor Koku shows ads.
Which is updated more often, Focus Blocks or Koku?
Focus Blocks ships an update every 2 days, and Koku every 3 days. Most recently, Focus Blocks was updated on September 8, 2026 and Koku on July 22, 2026.

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