Comparison

Focus Cove vs Koku

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

Head to head
About

Focus Cove

Features
Read full description

Focus Cove is a quiet focus timer for deep work. Unlike a traditional countdown timer, Focus Cove is designed to help you enter a calm focus state. Choose a focus length, step into an immersive focus room, and stay present without staring at large countdown numbers. Features: • Simple focus sessions: 15, 30, 50 minutes, or custom • Immersive full-screen focus mode • Subtle remaining time display • Gentle completion feedback • Local focus history • Weekly focus dashboard • Theme options for different focus atmospheres • No account required Focus Cove stores your focus sessions locally on your device. No login, no cloud sync, no unnecessary complexity. A quiet space for deep work.

About

Koku

This app helps you focus on tasks with customizable work and rest intervals. It offers a simple, distraction-free interface and integrates with your home screen and Apple Watch for easy access and control. Enjoy deep work without accounts, streaks, or subscriptions.

Highlights
  • Customizable focus and rest sessions
  • Classic Pomodoro rhythm option
  • Home Screen widget for quick access
  • Live Activities on lock screen
  • Apple Watch companion app
  • Minimalist, distraction-free design
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 (刻) is the Japanese word for a moment of time.

Screenshots

Focus Cove4 screens
Koku4 screens

Verdict

The call

Focus Cove and Koku are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Focus Cove versus Koku: the parameters behind the verdict, then further details
ParameterFocus CoveKoku
PriceFreeFree
Rating—3.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 3 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, Apple Watch
Requires iOS26.0 — better26.4
Further details — not scored
Size4 MB10 MB
Age rating4+4+
DeveloperLINGYU CHENRodolfo Alberto Lopez Terriquez

In-app purchases

None

Focus Cove

No in-app purchases

None

Koku

No in-app purchases

Questions

Is Focus Cove free?
Focus Cove is free to download, with no in-app purchases.
Is Koku free?
Koku is free to download, with no in-app purchases.
Do Focus Cove or Koku have ads?
Neither Focus Cove nor Koku shows ads.

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