# rynskrmt.dev

> Ryunosuke Karimata's personal blog and product landing pages.

## Calkey (Calculator Keyboard)

Calkey is a keyboard extension for iOS. Calculate instantly without leaving your keyboard.

- **Bundle ID**: `dev.rynskrmt.calkey`
- **App Store ID**: `id6758283103`
- **Tagline**: "入力中に、即、計算。" (Calculate instantly while typing.)
- **Value Proposition**: "計算できるキーボード" (Calculable Keyboard) — No more switching apps. Calculate right from your keyboard.
- **Target Platform**: iOS (iPhone/iPad)
- **Languages**: Japanese, English
- **Core Features**:
  - Integrated calculator within the keyboard layout.
  - One-tap calculation result insertion into text fields.
  - Full formula expression insertion (e.g., "12,500 ÷ 4 = 3,125").
  - Themes: Light / Dark / System / Calkey.
  - Calculation history (10 entries on Free).
  - Privacy-first: Operates entirely offline; no data collection.
  - No ads.
- **Pricing**:
  - Free: Basic calculator keyboard, one-tap input, 4 themes, 10-entry history.
  - Pro (¥500 / $2.99, one-time purchase): Scientific calculator, additional themes, unlimited history.

### Links
- [Calkey Main Page](https://rynskrmt.dev/products/calkey)
- [App Store](https://apps.apple.com/jp/app/%E8%A8%88%E7%AE%97%E3%81%A7%E3%81%8D%E3%82%8B%E3%82%AD%E3%83%BC%E3%83%9C%E3%83%BC%E3%83%89-calkey/id6758283103)
- [Developer Info](https://rynskrmt.dev/products/calkey/developer)
- [Privacy Policy](https://rynskrmt.dev/products/calkey/privacy)
- [Terms of Service](https://rynskrmt.dev/products/calkey/terms)

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## PinText (Home Screen Memo Widget)

PinText is an iOS widget memo app that displays notes directly on your home screen and lock screen. Write a memo and it instantly appears on your widget — keep important notes always visible. Ad-free.

- **Target Platform**: iOS
- **Languages**: Japanese, English
- **Core Features**:
  - Home screen widgets in 3 sizes (small / medium / large) + lock screen widget.
  - Each widget can display a different memo — place multiple for different purposes.
  - Use cases: shopping lists, TODO lists, reminders, password notes, fan activity memos, etc.
  - Full customization: background color, text color, font, font size, line spacing, padding, text alignment.
  - Categorized font list with real-time widget preview while customizing.
  - Auto-save, undo/redo, pin important memos to top, undo deletion.
  - Ad-free even on the free plan.
- **Pricing**:
  - Free: Up to 3 memos, all widget sizes, full customization, ad-free.
  - Premium (monthly or one-time purchase): Unlimited memos, gradient backgrounds (6 directions), custom colors (HEX), extra-small font size (11pt), iCloud sync across devices.

### Links
- [Privacy Policy](https://rynskrmt.dev/products/pintext/privacy)
- [Terms of Service](https://rynskrmt.dev/products/pintext/terms)

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## About the Author (Ryunosuke Karimata)

Ryunosuke Karimata (狩俣 隆ノ介) is a software developer focused on React and Next.js.

### Blog
The site hosts blog posts about AI agents, software development, and technical tutorials.
- [Blog Home](https://rynskrmt.dev/)
- [Archives](https://rynskrmt.dev/archives/)
- [Search](https://rynskrmt.dev/search/)