# Board vs Koku

The clearest difference is in-app purchases: Koku at none against Board's 1. Koku also leads on update cadence (every 3 days vs every 2 months). Board's advantage is iOS requirement (18.2 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. Board sells 1 one-off in-app purchase. Koku asks for nothing beyond the download.

Board ships an update every 2 months, Koku every 3 days. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Board | Koku |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 2 MB | 10 MB |
| Requires iOS | **18.2** | 26.4 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [KAZUHIRO SATO](https://appshunter.io/developer/1847772239) | [Rodolfo Alberto Lopez Terriquez](https://appshunter.io/developer/1896502707) |

## What reviewers say

### Board

[App page](https://appshunter.io/ios/app/board-thought-capture/id6754969283)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Boards | $14.99 | one-time |


### 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


## Frequently asked questions

### Is Board free?

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

### Is Koku free?

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

### Do Board or Koku have ads?

Neither Board nor Koku shows ads.

### Which is updated more often, Board or Koku?

Board ships an update every 2 months, and Koku every 3 days. Most recently, Board was updated on October 16, 2026 and Koku on October 11, 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.*