# One Line: Kolam & Knots — Calm puzzles. Patterns bloom.

> Calm puzzles. Patterns bloom. (iPhone/iPad app by Colorblast LLC.)

- Source: https://appshunter.io/ios/app/one-line-kolam-and-knots/id6816367941 (this page in markdown: same URL + `.md`)
- Developer: [Colorblast LLC](https://appshunter.io/developer/1800375561)
- Category: Games, Casual, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.0 · 19 MB
- Languages: American English
- Released: 2026-10-13
- Data updated: 2026-10-24

## What is One Line?

Tap the spaces between dots. Bend the paths. Watch a pattern become one.

One Line is a calm puzzle game inspired by Tamil kolam, Chokwe sona and Celtic knotwork. It uses the mathematics of mirror curves to turn simple choices into intricate patterns. Solve a puzzle and see it bloom in worlds of thread, paper and rain.

• 200 puzzles across five chapters: Kolam, Petals, Sona, Celtic and Masters
• A fresh daily puzzle following your local calendar date
• Visual tutorials and hands-on practice for each puzzle rule
• Pinwheels, beads, petals, regions and colored lines, introduced as you play
• Unlimited undo and hints, with room to find your own way
• A personal Collection of completed patterns and a Profile of your journey
• Share your finished artwork as a keepsake, sized for a Post or Story
• Spoiler-free daily sharing, with an optional artwork reveal
• A free Margazhi season from December 16 to January 14
• Optional tracing with a finger or Apple Pencil on iPad
• Adjustable sound, haptics and quiet ambient audio
• VoiceOver controls, larger text and Reduce Motion support
• No countdowns, lives, ads or account; optional iCloud progress sync

All 40 Chapter 1 puzzles, today’s daily and Margazhi seasonal puzzles are free. One purchase unlocks Chapters 2–5 and the past daily archive. There is no subscription.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock the whole street | $6.99 | one-time |


## Is One Line safe?

Not enough ratings yet to assess One Line.

## Is One Line legit?

One Line: Kolam & Knots appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for One Line is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-10-13

No release notes.

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## More apps by Colorblast LLC

- [Ghar: Hindu Home Rituals](https://appshunter.io/ios/app/ghar-hindu-home-rituals/id6760098094)
- [Ground & Return Yoga](https://appshunter.io/ios/app/ground-and-return-yoga/id6762570948)
- [Daybowl](https://appshunter.io/ios/app/daybowl/id6794359335)
- [Sumuhurta](https://appshunter.io/ios/app/sumuhurta/id6799449055)
- [Three Tigers: Aadu Puli Attam](https://appshunter.io/ios/app/three-tigers-aadu-puli-attam/id6809326436)

All apps by Colorblast LLC: https://appshunter.io/developer/1800375561

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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 2026-10-24.*