# InkWater - Paint on Water — Relaxing fluid ink sandbox

> Relaxing fluid ink sandbox (iPhone/iPad app by Hyunwoo Kim.)

- Source: https://appshunter.io/ios/app/inkwater-paint-on-water/id6793040277 (this page in markdown: same URL + `.md`)
- Developer: [Hyunwoo Kim](https://appshunter.io/developer/1709269004)
- Category: Entertainment
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 30 MB
- Languages: American English
- Released: 2026-08-10
- Data updated: 2026-09-07
- User reviews in markdown: https://appshunter.io/ios/app/inkwater-paint-on-water/id6793040277/reviews.md

## What is InkWater?

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/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| InkWater Premium | $1.99 | per 7 days |



## Version history (last 2 releases)

### 1.0.1 — 2026-08-26

• Stability improvements and internal configuration updates
• Optimizations for smoother paint rendering

### 1.0 — 2026-08-10

No release notes.

## More apps by Hyunwoo Kim

- [Korean Checker](https://appshunter.io/ios/app/korean-checker/id1476172458)
- [Her - Your AI Girlfriend](https://appshunter.io/ios/app/her-your-ai-girlfriend/id6453695146)
- [AI Checklist](https://appshunter.io/ios/app/ai-checklist/id6748807470)
- [PDFHub: PDF 뷰어·문서 스캔](https://appshunter.io/ios/app/pdfhub-pdf/id6792745319)
- [QRKeep - QR Code Scanner](https://appshunter.io/ios/app/qrkeep-qr-code-scanner/id6799322116)

All apps by Hyunwoo Kim: https://appshunter.io/developer/1709269004

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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 2026-09-07.*