# lineFlow

> lineFlow (iPhone/iPad app by 海岸 徐.)

- Source: https://appshunter.io/ios/app/lineflow/id6755045729 (this page in markdown: same URL + `.md`)
- Developer: [海岸 徐](https://appshunter.io/developer/1831758224)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.6 · 41 MB
- Languages: British English, German (Germany), Italian, Chinese (Simplified, China), Vietnamese
- Released: 2025-11-10
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/lineflow/id6755045729/reviews.md

## What is lineFlow?

Lineflow - Turn Photos into Coloring Pages

  Transform your photos into beautiful line art coloring pages instantly.
  Unleash creativity anytime, anywhere.

  Core Features:

  One-Tap Line Art Generation
  Upload any photo and let AI intelligently convert it into clean
  black-and-white outlines, perfect for printing or digital coloring.

  Eight Artistic Styles
  Thick Lines: Bold outlines ideal for young children, easy to color
  Thin Lines: Delicate and precise lines for older kids
  Colored Lines: Soft pastel-colored outlines for added fun
  Doodle Lines: Hand-drawn style with playful charm
  Gradient Lines: Artistic outlines with gradient effects
  Dotted Lines: Tracing practice to improve hand-eye coordination
  Color by Numbers: Numbered zones for guided coloring
  Guide Lines: Built-in helper lines for precise coloring

  Smart Age Adaptation
  Automatically adjusts line art complexity based on child's age, ensuring
  appropriate difficulty levels to inspire creativity.

  Batch Processing
  VIP users can process up to 10 photos at once, quickly generating series
  of coloring pages.

  Cloud Sync
  Artworks automatically save and sync across devices, accessible anytime
  for viewing and sharing.

  High-Quality Export
  Supports high-resolution export with crisp print quality, perfect for
  home, school, and art education institutions.

  Perfect For:
  Family activities to cultivate children's artistic interests
  Art class materials for kindergartens and schools
  Fun activities for birthday parties and gatherings
  Art therapy and stress relief
  Personalized gift creation

  Download Lineflow now and turn every photo into a unique artistic
  coloring page.
Privacy Policy: https://s.craft.me/9mRbNMPTPhOYf0
Terms of Service: https://s.craft.me/LyMF86yoR09sVe
Standard Apple Terms of Use (EULA):
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Weekly Membership | $5.99 | per 7 days |



## Version history (last 2 releases)

### 1.0.1 — 2025-12-23

fix bugs.

### 1.0.0 — 2025-11-10

No release notes.

## More apps by 海岸 徐

- [DrawEasy: AR Drawing - Sketch](https://appshunter.io/ios/app/draweasy-ar-drawing-sketch/id6751968283)
- [All To Live-Live Wallpapers](https://appshunter.io/ios/app/all-to-live-live-wallpapers/id6758519585)
- [DualShot Recorder: 2Cam](https://appshunter.io/ios/app/dualshot-recorder-2cam/id6763037452)

All apps by 海岸 徐: https://appshunter.io/developer/1831758224

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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 2026-05-17.*