# Kosshi Outliner vs NoteThing Planner

The clearest difference is price: Kosshi Outliner at Free against NoteThing Planner's $2.99. Kosshi Outliner also leads on update cadence (every 3 days vs every 2 weeks) and ratings volume (4 vs 1). NoteThing Planner's advantage is in-app purchases (none vs 1). On rating, ads, device support and iOS requirement there is nothing between them.

Kosshi Outliner is free to download; NoteThing Planner costs $2.99 up front. Kosshi Outliner sells 1 one-off in-app purchase. NoteThing Planner asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Kosshi Outliner against 5.0 for NoteThing Planner. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Kosshi Outliner ships an update every 3 days, NoteThing Planner every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kosshi Outliner | NoteThing Planner |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/kosshi-outliner/id6759483880/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/notething-planner/id6764501821/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | **Free** | Paid |
| Size | 30 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Junichi Sato](https://appshunter.io/developer/1617496266) | [Core Dump Software LLC](https://appshunter.io/developer/1848050163) |

## What reviewers say

### Kosshi Outliner

[App page](https://appshunter.io/ios/app/kosshi-outliner/id6759483880)

This native outliner app allows you to organize thoughts with a hierarchical structure, zoom into specific sections, and format text using Markdown. It supports images, sketches, internal links, and reminders, with seamless iCloud sync across Apple devices.

**Highlights:** Hierarchical outlining with indentation, Zoom into specific rows, Markdown formatting, Image and file embedding, Apple Pencil sketches, Internal linking, Reminders and calendar sync

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kosshi Outliner | $24.99 | one-time |


### NoteThing Planner

[App page](https://appshunter.io/ios/app/notething-planner/id6764501821)

This app combines notes, tasks, goals, and reminders into a single, focused experience. It offers a rich text editor, task management with flexible recurrence, habit tracking, and smart reminders. Enjoy a unified productivity toolkit across all your Apple devices with a one-time purchase.

**Highlights:** Rich text and Markdown editor, Task management with recurring options, Habit and goal tracking, Smart reminders with quiet hours, Cross-device sync via iCloud, Home Screen widgets, Native Mac app

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kosshi Outliner free?

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

### Is NoteThing Planner free?

NoteThing Planner costs $2.99, with no in-app purchases.

### Which has better reviews, Kosshi Outliner or NoteThing Planner?

Kosshi Outliner and NoteThing Planner are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Kosshi Outliner or NoteThing Planner have ads?

Neither Kosshi Outliner nor NoteThing Planner shows ads.

### Which is updated more often, Kosshi Outliner or NoteThing Planner?

Kosshi Outliner ships an update every 3 days, and NoteThing Planner every 2 weeks. Most recently, Kosshi Outliner was updated on November 5, 2026 and NoteThing Planner on October 31, 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.*