# Koku vs Jaz Chat

The clearest difference is update cadence: Koku at every 3 days against Jaz Chat's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Koku ships an update every 3 days, Jaz Chat every 6 weeks. The most recent releases landed on October 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Koku | Jaz Chat |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | Free | — |
| Size | 10 MB | 14 MB |
| Requires iOS | **26.4** | 26.5 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rodolfo Alberto Lopez Terriquez](https://appshunter.io/developer/1896502707) | [Augustinas Malinauskas](https://appshunter.io/developer/1721219320) |

## 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


### Jaz Chat

[App page](https://appshunter.io/ios/app/jaz-chat/id6785205169)

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

**In-app purchases:** none


## Frequently asked questions

### Is Koku free?

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

### Is Jaz Chat free?

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

### Do Koku or Jaz Chat have ads?

Neither Koku nor Jaz Chat shows ads.

### Which is updated more often, Koku or Jaz Chat?

Koku ships an update every 3 days, and Jaz Chat every 6 weeks. Most recently, Koku was updated on October 11, 2026 and Jaz Chat on October 28, 2026.

---

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