# Only 1 color per line — can you fill in the grid ? > Color grid logic puzzle game with a single color per line rule. (iPhone/iPad app by PLAYTOUCH.) - Source: https://appshunter.io/ios/app/only-1-color-per-line/id1436566204 (this page in markdown: same URL + `.md`) - Developer: [PLAYTOUCH](https://appshunter.io/developer/608330754) - Category: Games, Entertainment, Board, Puzzle - Price: Free with in-app purchases - Rating: 4.30/5 from 3 App Store ratings - Age rating: 4+ - Requires: iOS 12.0 · 35 MB - Languages: American English - Released: 2018-09-26 - Data updated: 2026-07-21 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/only-1-color-per-line/id1436566204/reviews.md ## What is Only 1 color per line? Only 1 color per line : can you fill in the grid ? The concept is super simple, it a bit like a sudoku game: you must fill the grid but you can only place the same color only once on every line. Are you smart enough to play this color game ? ## Key features - Grid filling puzzle - Single color per line rule - Logic-based gameplay - Sudoku-like challenges - Color matching ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 35 hints | $0.99 | one-time | | 15 magic hints | $0.99 | one-time | | 80 hints | $0.99 | one-time | | 300 hints | $1.99 | one-time | | 700 hints | $3.99 | one-time | | Remove all ADS from the game | $1.99 | one-time | ## Frequently asked questions about Only 1 color per line ### What is the main gameplay mechanic in Only 1 color per line? The core mechanic involves filling a grid with colors, adhering to the rule that each color can only be placed once in any given line. It's a logic-based challenge. ### Is Only 1 color per line playable offline? The provided data does not specify offline play capabilities. However, many logic puzzle games of this nature are designed to be playable without an internet connection. ### Does Only 1 color per line have ads? Yes, this application contains advertisements. This is indicated by the 'hasAds' flag being true in the app's data. ### What devices is Only 1 color per line compatible with? Only 1 color per line is supported on iPhone and iPad devices. It is also compatible with iPod. ### How often is Only 1 color per line updated? The app was last updated on August 1, 2024, indicating regular maintenance and potential new content releases. The latest version is 1.3. ### What is the age rating for Only 1 color per line? The app is rated '4+' by age, making it suitable for young children and older players alike. ### Can I make purchases within Only 1 color per line? Yes, Only 1 color per line offers in-app purchases. This is indicated by the 'hasInAppPurchases' flag being true. ### What do users think of Only 1 color per line? Based on the limited data, the app has a rating of 4.3 stars from 3 ratings, suggesting a generally positive user reception for its puzzle mechanics. ## Version history (last 4 releases) ### 1.3 — 2024-08-01 Game optimization, music update and bug fix. ### 1.2 — 2023-02-24 Game optimization, music update and bug fix. ### 1.1 — 2018-10-19 Only 1 color per line : can you fill in the grid ? ### 1.0 — 2018-09-25 No release notes. ## Apps similar to Only 1 color per line | App | Rating | Price | Category | | --- | --- | --- | --- | | [Jelly Balls!](https://appshunter.io/ios/app/jelly-balls/id1658502100) | 1.0 (1) | Free | Games | | [Voro 2048](https://appshunter.io/ios/app/voro-2048/id6474023002) | 3.0 (2) | Free | Games | | [Block Blast: Puzzle Brain Game](https://appshunter.io/ios/app/block-blast-puzzle-brain-game/id6670722631) | — | Free | Games | | [Sudok-Hue](https://appshunter.io/ios/app/sudok-hue/id6624314045) | 5.0 (1) | Free | Games | | [Color Flip - Be one color!](https://appshunter.io/ios/app/color-flip-be-one-color/id6448259058) | — | Free | Games | | [Perfect Frame!](https://appshunter.io/ios/app/perfect-frame/id6547851581) | 1.0 (1) | Free | Games | ## More apps by PLAYTOUCH - [Water Blast: bubble star](https://appshunter.io/ios/app/water-blast-bubble-star/id687265121) - [The Speed Ninja](https://appshunter.io/ios/app/the-speed-ninja/id712191311) - [Parking Panic !](https://appshunter.io/ios/app/parking-panic/id762160946) - [Dracula Quest: run for blood !](https://appshunter.io/ios/app/dracula-quest-run-for-blood/id790277361) - [Sea Plumber](https://appshunter.io/ios/app/sea-plumber/id790287034) - [Rock Paper Scissor!](https://appshunter.io/ios/app/rock-paper-scissor/id857818777) All apps by PLAYTOUCH: https://appshunter.io/developer/608330754 --- *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 2026-07-21.*