Kosaku - Beautify the content
Not in any tracked top chart right now.
Updated 17 Oct 2026 · rankings refresh through the day
DeveloperChengdu Yichen Technology Co., Ltd
CategoryGraphics & Design
PriceFree
Released
Rating★ 4.5 (102)
Version5.0.0
Age rating4+
First seen by us
12 Oct 2026
12 Oct 2026Rating
4.5 ★
102 ratings
Measured
Kosaku - Beautify the content on the App Store
App details
App ID
1611559010
Publisher
Chengdu Yichen Technology Co., Ltd
On the store since
Jul 2023
3 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
4
EN JA ZH ZH
Size
65 MB
Also listed in
Utilities
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.5 ★
102 ratings
Measured
Ratings
102
Measured
About Kosaku - Beautify the content
Featured as App Store Editor's Pick of the Week.
Paste a link, pick a style — your social media post becomes a beautiful card in seconds.
## Web Cards
Paste any URL and Kosaku extracts the content into a clean card. One-tap AI summary turns long articles into sharp highlights.
## Social Media Cards
Works with Twitter/X, Threads, Instagram, and more. Just copy a public post link and generate a card instantly.
## Music Cards
Copy a music link to create a card with album art and lyrics.
## Markdown Rendering
Render Markdown content visually — code blocks, quotes, and lists look great on a card. Perfect for developers and writers sharing technical content.
## Customize Everything
- Gradient backgrounds and solid color themes
- Custom fonts
- Flexible layouts
- High-resolution export
---
Kosaku Pro is an optional paid subscription that unlocks member-exclusive features.
The subscription renews automatically within 24 hours before expiration. To cancel, do so at least 24 hours before the renewal date.
Manage subscriptions: iPhone Settings → Apple ID → Subscriptions
Privacy Policy: https://kosaku.yichenlab.com/privacy
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Paste a link, pick a style — your social media post becomes a beautiful card in seconds.
## Web Cards
Paste any URL and Kosaku extracts the content into a clean card. One-tap AI summary turns long articles into sharp highlights.
## Social Media Cards
Works with Twitter/X, Threads, Instagram, and more. Just copy a public post link and generate a card instantly.
## Music Cards
Copy a music link to create a card with album art and lyrics.
## Markdown Rendering
Render Markdown content visually — code blocks, quotes, and lists look great on a card. Perfect for developers and writers sharing technical content.
## Customize Everything
- Gradient backgrounds and solid color themes
- Custom fonts
- Flexible layouts
- High-resolution export
---
Kosaku Pro is an optional paid subscription that unlocks member-exclusive features.
The subscription renews automatically within 24 hours before expiration. To cancel, do so at least 24 hours before the renewal date.
Manage subscriptions: iPhone Settings → Apple ID → Subscriptions
Privacy Policy: https://kosaku.yichenlab.com/privacy
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Latest updates
5.0.0
See what a font looks like before you download it.
• Every font in the picker now renders in its own typeface — no more downloading several megabytes just to find out
• Redesigned membership page: the best-value plan up front, tap More options to compare
• Settings are no longer locked. Adjust fonts, watermark and layout freely — we only mention membership when you export, and we tell you exactly which features you used
• Clearing your history now asks first, so a stray tap can't wipe your cards
