# Crossfold: Linked Sudoku — Daily 6x6 number puzzles > Daily 6x6 number puzzles (iPhone/iPad app by Chandan Gadhavi.) - Source: https://appshunter.io/ios/app/crossfold-linked-sudoku/id6830185588 (this page in markdown: same URL + `.md`) - Developer: [Chandan Gadhavi](https://appshunter.io/developer/1724537589) - Category: Games, Board, Puzzle - Price: $4.99 - Age rating: 4+ - Requires: iOS 17.0 · 8 MB - Languages: American English - Released: 2026-11-03 - Data updated: 2026-11-09 ## What is Crossfold? Two boards. One fold. Crossfold is a calm, clever logic puzzle: two 6×6 number grids joined by one shared column. Every amber cell belongs to both boards at once, so a digit you place on the left has to work on the right as well. Solve one side and it quietly opens the other. A NEW FOLD EVERY DAY • A fresh daily puzzle: gentle at the start of the week, hardest on Friday and Saturday • Keep a streak, and earn shields that cover a missed day • Missed one? Every past daily since 1 January 2026 waits in the archive 360 PUZZLES TO MASTER • Easy, Medium and Hard, 120 of each, in sets of 20 • One solution each, built to be solved by logic alone, with no guessing HINTS THAT TEACH • Stuck? A hint first shows where to look, then explains why in one plain sentence, and only then places the digit • Check marks mistakes without giving answers away PLAY YOUR WAY • Classic mode with a timer, or Relaxed mode with the timer and mistake count hidden during play • Notes, undo and redo, and conflict highlighting • Light and dark mode, sounds and haptics, a high-contrast board, and hardware keyboard support SEE YOURSELF IMPROVE • Solve-time trends, a monthly view of your dailies and a count of perfect solves • 16 awards to earn, from First fold to Completionist • Share a spoiler-free card of your solve: colored puzzle squares, with no solution digits PLAY ON IPHONE, IPAD AND IPHONE DUO • Switch between boards on iPhone, or see both together when there is room • Open iPhone Duo like a book for a board on each side • In laptop pose, play with both boards above the fold and the number pad below • Close Duo and continue the same puzzle on the cover screen, with your entries and notes intact NO STRINGS One purchase. No ads, no in-app purchases, no subscriptions and no account. Play offline with locally stored progress and no tracking. Share a result only when you choose. ## Is Crossfold safe? Not enough ratings yet to assess Crossfold. ## Is Crossfold legit? Crossfold: Linked Sudoku appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Crossfold is 65 out of 100 points across 7 verification signals from App Store and developer data. ## Version history (last 1 release) ### 1.0 — 2026-11-04 No release notes. ## More apps by Chandan Gadhavi - [Ambigram: Flip Tattoo Designer](https://appshunter.io/ios/app/ambigram-flip-tattoo-designer/id6475622970) - [Digital Compass GPS Navigator](https://appshunter.io/ios/app/digital-compass-gps-navigator/id6756385072) - [Drink Water: Wellness Tracker](https://appshunter.io/ios/app/drink-water-wellness-tracker/id6757102976) - [Ambigram Noir Tattoo Generator](https://appshunter.io/ios/app/ambigram-noir-tattoo-generator/id6770980436) - [Imposter X: Party Game](https://appshunter.io/ios/app/imposter-x-party-game/id6774064566) All apps by Chandan Gadhavi: https://appshunter.io/developer/1724537589 --- *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 2026-11-09.*