# Koku vs Focus Hour

The clearest difference is in-app purchases: Koku at none against Focus Hour's 3. Focus Hour's advantage is iOS requirement (15.1 vs 26.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Focus Hour sells 3 one-off in-app purchases. Koku asks for nothing beyond the download.

Koku ships an update every 3 days, Focus Hour every 2 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Koku | Focus Hour |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/koku-focus-timer/id6767715863/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 10 MB | 52 MB |
| Requires iOS | 26.4 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Rodolfo Alberto Lopez Terriquez](https://appshunter.io/developer/1896502707) | [Meng-Yi Hsu](https://appshunter.io/developer/6783592735) |

## What reviewers say

### Koku

[App page](https://appshunter.io/ios/app/koku-focus-timer/id6767715863)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Focus Hour

[App page](https://appshunter.io/ios/app/focus-hour-to-do-list-planner/id6798447055)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Apps I Built | $5.99 | one-time |
| Unlock Focus Hour | $9.99 | one-time |
| Unlock Focus Hour | $12.99 | one-time |


## Frequently asked questions

### Is Koku free?

Koku is free to download, with no in-app purchases.

### Is Focus Hour free?

Focus Hour is free to download, with in-app purchases available.

### Do Koku or Focus Hour have ads?

Neither Koku nor Focus Hour shows ads.

### Which is updated more often, Koku or Focus Hour?

Koku ships an update every 3 days, and Focus Hour every 2 days. Most recently, Koku was updated on October 31, 2026 and Focus Hour on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*