# Koku vs Harbor Notes

The clearest difference is rating: Harbor Notes at 5.0 against Koku's 3.0. Harbor Notes also leads on ratings volume (4 vs 1) and iOS requirement (18.0 vs 26.4). Koku's advantage is in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Harbor Notes sells 2 in-app purchases, starting at $9.99 per month. Koku asks for nothing beyond the download.

Harbor Notes holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Koku ships an update every 3 days, Harbor Notes every 4 days. Both last shipped on October 11, 2026.

## The numbers

| Metric | Koku | Harbor Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/koku-focus-timer/id6767715863/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/harbor-notes/id6788795948/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | **Free** | Freemium |
| Size | 10 MB | 37 MB |
| Requires iOS | 26.4 | **18.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Rodolfo Alberto Lopez Terriquez](https://appshunter.io/developer/1896502707) | [Cloudmanic Labs, LLC](https://appshunter.io/developer/483718119) |

## 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


### Harbor Notes

[App page](https://appshunter.io/ios/app/harbor-notes/id6788795948)

Capture, organize, and secure all your thoughts, tasks, and files in one private space. This app offers rich note-taking features, robust organization, and instant search, even within images and scanned documents. Your data is yours, with optional end-to-end encryption and no ads or data selling.

**Highlights:** Rich notes with checklists, tables, and highlights, Notebooks, stacks, and tags for organization, Task management with due dates, Document scanning and sketching, Voice memos and file attachments, Instant search with OCR, Offline-first native apps

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited — Monthly | $9.99 | per month |
| Unlimited — Yearly | $99.00 | per year |


## Frequently asked questions

### Is Koku free?

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

### Is Harbor Notes free?

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

### Which has better reviews, Koku or Harbor Notes?

Harbor Notes is rated higher. Koku averages 3.0 out of 5 from 1 ratings, while Harbor Notes averages 5.0 from 4 ratings.

### Do Koku or Harbor Notes have ads?

Neither Koku nor Harbor Notes shows ads.

### Which is updated more often, Koku or Harbor Notes?

Koku ships an update every 3 days, and Harbor Notes every 4 days. Most recently, Koku was updated on October 11, 2026 and Harbor Notes 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.*