InkWater - Paint on Water
Relaxing fluid ink sandbox
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Drop a bit of paint on water and watch it bloom like real ink. Shake your phone and the water sloshes, swirling the colors together.
■ 70 Worlds
Paint, touch, nature, critters, games, fireworks, and even a fractal cosmos — explore 70 different simulation worlds.
■ Physics at Your Fingertips
Real-time fluid simulation renders ink diffusion and rippling water beautifully.
■ Make It Yours
Capture high-resolution shots, record videos, and set your creation as a wallpaper.
■ Community Gallery
Share your artwork and like creations from others.
■ Daily Rewards
Check-in rewards, login tickets, and friend-invite bonuses.
Premium worlds can also be unlocked free for 24 hours by watching a reward ad.
■ Premium Subscription
· InkWater Premium (1 week, auto-renewable) — price shown on the App Store
· A Premium subscription unlocks every world.
· Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically at the same price unless auto-renew is turned off at least 24 hours before the end of the current period.
· You can manage or cancel your subscription anytime in your App Store account settings after purchase.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://inkwater-docs.pages.dev/en/privacy/
A Closer Look
Ratings & Reviews
Stability improvements.
The developer, Hyunwoo Kim, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
- User Content
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Hyunwoo Kim
- Size
- 40 MB
- Category
- Entertainment
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
User-Generated Content
- In-App Purchases
Yes
- InkWater Premium $1.99
- Copyright
- © 2026 Hyunwoo Kim