# Kanau -『つくる人』のための計算メモ帳 — 材料費をかんたんに計算できます

> Calculation notepad for creators to easily total material costs and work hours. (iPhone/iPad app by Ayumi Sato.)

- Source: https://appshunter.io/ios/app/kanau/id1561118621 (this page in markdown: same URL + `.md`)
- Developer: [Ayumi Sato](https://appshunter.io/developer/1561118623)
- Category: Lifestyle, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.4 · 88 MB
- Languages: Japanese
- Released: 2021-04-06
- Data updated: 2026-07-18
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/kanau/id1561118621/reviews.md

## What is Kanau?

Kanau is a calculation notepad for all creators/crafters.
By creating a project and adding items in the app, you can easily total the materials' cost.

How much does it cost if I use two of a ten-pack? How much does it cost if I use the only 30ml of a 180ml liquid? You can get the answer straight ahead by easy steps. You can also enter work hours, add them up, and convert them to cost by hourly rate.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Project-based cost calculation
- Material itemization
- Quantity and unit cost input
- Work hour tracking
- Cost conversion by hourly rate
- Easy-to-understand calculations

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Search & Publish Features | $0.49 | per month |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/kanau/id1561118621/reviews.md

### 1/5 — 使いづらい

*2024-03-23, version 2.5.9*

右下のボタンが2ページ連続で出てくるしどこにいて何が出来るのか根本的に分かりずらい

### 1/5 — ん？

*2024-03-16, version 2.5.9*

資材のタイトルやメモ、写真は登録できましたが、資材の原価や数量など入力できませんし、使った資材の計算もできません。
使い方がわかりません。

## Frequently asked questions about Kanau

### How do I calculate the cost of materials with Kanau?

You can create a project in Kanau and add individual material items. For each item, input the quantity used and its cost. The app will then automatically sum up the total material cost for your project.

### Can Kanau calculate costs for partial units?

Yes, Kanau is designed to handle calculations for partial units. For example, if you use 30ml of a 180ml liquid, you can input this to get an accurate cost based on the proportion used.

### Does Kanau help calculate labor costs?

Absolutely. You can enter your work hours spent on a project and convert them into a cost based on your defined hourly rate, providing a comprehensive project cost.

### What devices does Kanau support?

Kanau is available for iPhone and iPad devices, allowing creators to manage their project costs on the go or at their workspace.

### What is the age rating for Kanau?

Kanau has an age rating of 4+, making it suitable for a wide range of users who need to manage project expenses.

### How often is Kanau updated?

The app was last updated on June 13, 2026, indicating a recent focus on maintenance and potential feature enhancements. Users can expect ongoing support and improvements.

### What are the subscription options for Kanau?

Kanau offers a subscription for 'Search & Publish Features' at $0.49 per month, which includes a free trial period. This subscription likely unlocks advanced functionalities beyond basic cost calculation.

### Does Kanau have ads?

No, Kanau does not display advertisements within the application, ensuring an uninterrupted user experience for calculating project costs.

## Version history (last 5 releases)

### 5.0.5 — 2026-07-12

- Tapping a search result now scrolls to and opens the matching item automatically
- Added "Share This App" and "Rate on the App Store" to Settings
- Improved tap targets at the bottom of the Projects list and Settings screens
- Merged the "Expand All" and "Close All" buttons into a single toggle
- Fixed an issue where item search could stop working while offline
- Fixed an issue where items from a deleted project could reappear
- Fixed an issue where pasting an image from the clipboard sometimes didn't work
- Fixed an issue where the Undo button didn't always show up right after saving
- Fixed an issue where expanded items showed a doubled outline
- Fixed an issue where tags briefly flickered when switching views
- Fixed an issue where an unsaved item's creation date showed as 1970

### 5.0.4 — 2026-07-10

- Refreshed the app icon and splash screen with a new design (dark mode support)
- Added a setting to match the app icon color to your accent color (Settings → Display Settings)
- Fixed an issue where the bottom of button labels could appear slightly clipped

### 5.0.3 — 2026-07-08

- Added Apple Sign-In support for the web version
- Added Claude integration (MCP) guide link to the settings page
- Improved the usability of the project list

### 5.0.2 — 2026-07-07

Minor fixes.

### 5.0.1 — 2026-07-06

A complete redesign of the app's look and feel.

- Edit items in place: no save button needed. Changes are saved automatically, and you can undo your last edit
- Pricing is now a single formula: price / pack size x quantity = subtotal. Working out costs from bulk purchases and checking per-unit prices is easier than ever
- Project name, notes, photo, and completion can now be edited in place with a tap
- Grid view now supports in-place editing and adding items
- Paste a URL into an item's notes and it becomes a tappable link
- Search now updates with every character, even while typing in Japanese
- Your accent color now applies across the whole app: buttons, checkboxes, and more
- Greatly reduced data usage for a faster, lighter experience
- Add or remove tags in place via the +/- chip on the project page
- When filtering by tag, reorder projects and edit or delete the tag right from the list

Note: this version requires iOS 16.4 or later.

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## More apps by Ayumi Sato

- [Tsumugu](https://appshunter.io/ios/app/tsumugu/id6757946555)

All apps by Ayumi Sato: https://appshunter.io/developer/1561118623

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-18.*