Kohaku — AI Wallpaper & Themes

Beautiful wallpapers, curated by AI.

Kohaku brings a calm, Japanese-inspired aesthetic to your iPhone and iPad. Discover thousands of minimal wallpapers in 4K, generate haiku poetry overlays, and find the perfect background for your mood.

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Features

AI Mood Search

Describe how you feel and Kohaku finds wallpapers that match your vibe. Powered by Claude AI.

Haiku Poetry Overlays

Generate unique 5-7-5 haiku poems inspired by any wallpaper and overlay them directly on your lock screen.

Blur Effects

Add adjustable blur to create the perfect lock screen look. Save and share with effects applied.

12 Color Palettes

Browse by color with curated palettes including white, black, teal, pink, and more.

Daily Wallpaper Picks

Get a fresh wallpaper recommendation delivered to your notifications every day.

4K and HD Quality

Download full-resolution original files optimized for every iPhone and iPad screen.

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Free Forever

No ads. No subscriptions. No data collection.

Kohaku is completely free and always will be.

All photos provided by Pexels.

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Available in 11 Languages

English, Japanese, Chinese (Simplified), Spanish, French, Portuguese (Brazil), Russian, Hindi, Bengali, Korean, and Vietnamese.

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Download

Kohaku is available on the App Store for iPhone and iPad.