# Problem Logger vs Koku

The clearest difference is price: Koku at Free against Problem Logger's $9.99. Problem Logger's advantage is iOS requirement (18.6 vs 26.4). On ads, in-app purchases and device support there is nothing between them.

Koku is free to download; Problem Logger costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Problem Logger | Koku |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/koku-focus-timer/id6767715863/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | Paid | **Free** |
| Size | 3 MB | 10 MB |
| Requires iOS | **18.6** | 26.4 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Richardson](https://appshunter.io/developer/1887851473) | [Rodolfo Alberto Lopez Terriquez](https://appshunter.io/developer/1896502707) |

## What reviewers say

### Problem Logger

[App page](https://appshunter.io/ios/app/problem-logger/id6767587409)

Easily log and track recurring issues over time with a private, dated timeline. Ideal for recording symptoms, home repairs, or any situation where knowing when an event occurred is important. Keep your records secure and local on your device.

**Highlights:** Create dated timelines of events, Log incidents in seconds, Set optional reminders, Review timelines over days/weeks/months, Local device storage, App lock for privacy

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

**In-app purchases:** none


### 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 Problem Logger free?

Problem Logger costs $9.99, with no in-app purchases.

### Is Koku free?

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

### Do Problem Logger or Koku have ads?

Neither Problem Logger nor Koku shows ads.

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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.*