# WEEEK vs Kaiten

The clearest difference is rating: WEEEK at 4.3 against Kaiten's 3.1. WEEEK also leads on review sentiment (38% vs 24%). Kaiten's advantage is update cadence (every 5 days vs every 11 days) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

WEEEK holds the better App Store score, 4.3 against 3.1. Both are backed by a comparable volume of ratings — 16 and 8 respectively. Written reviews point the same way: 38% of WEEEK's written reviews are positive against 24% of Kaiten's.

WEEEK ships an update every 11 days, Kaiten every 5 days. Both last shipped on September 22, 2026.

## The numbers

| Metric | WEEEK | Kaiten |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (16 ratings)](https://appshunter.io/ios/app/weeek-tasks-projects-notes/id1497919885/reviews)** | [3.1 (8 ratings)](https://appshunter.io/ios/app/kaiten/id6739029367/reviews) |
| Number of ratings | **16** | 8 |
| Positive reviews | **38.0% of reviews** | 24.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 114 MB | 215 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IVAN MARAKHOVKA](https://appshunter.io/developer/987995622) | [Kaiten Software](https://appshunter.io/developer/1783474375) |

## What reviewers say

### WEEEK

[App page](https://appshunter.io/ios/app/weeek-tasks-projects-notes/id1497919885)

This app offers a unified platform for managing tasks, projects, and team documents. It provides multiple task views, a knowledge base for documentation, and integrates with popular calendar and file-sharing services. Syncs across devices for seamless collaboration.

**Highlights:** Unified task, project, and document management, Multiple task views (Boards, Week, List), Knowledge base for documentation, Tree-like hierarchy for organization, Integrations with calendars and cloud services, Real-time progress monitoring and team comments

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

**In-app purchases:** none


### Kaiten

[App page](https://appshunter.io/ios/app/kaiten/id6739029367)

This platform streamlines workflows for businesses, enhancing productivity and resource management. It offers robust task management, customizable Kanban boards, and project planning tools. Facilitates collaborative document work and knowledge base creation.

**Highlights:** Task management with files, checklists, and contacts, Customizable Kanban boards for workflow visualization, Project planning with Gantt charts and tables, Collaborative document editing and knowledge base, Support for Scrum and Kanban methodologies, Integrations with other services, Automation and customizable roles/access

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

**In-app purchases:** none


## Frequently asked questions

### Is WEEEK free?

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

### Is Kaiten free?

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

### Which has better reviews, WEEEK or Kaiten?

WEEEK is rated higher. WEEEK averages 4.3 out of 5 from 16 ratings, while Kaiten averages 3.1 from 8 ratings.

### Do WEEEK or Kaiten have ads?

Neither WEEEK nor Kaiten shows ads.

### Which is updated more often, WEEEK or Kaiten?

WEEEK ships an update every 11 days, and Kaiten every 5 days. Most recently, WEEEK was updated on September 22, 2026 and Kaiten on September 22, 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.*