# Crossnumbers - Puzzle Games — Number fill-in game > Logic-based number fill-in puzzle game enhancing math and reasoning skills. (iPhone/iPad app by LEAP BILISIM TEKNOLOJILERI VE YAZILIM TICARET ANONIM SIRKETI.) - Source: https://appshunter.io/ios/app/crossnumbers-puzzle-games/id6755718868 (this page in markdown: same URL + `.md`) - Developer: [LEAP BILISIM TEKNOLOJILERI VE YAZILIM TICARET ANONIM SIRKETI](https://appshunter.io/developer/1723451531) - Category: Games, Board, Puzzle - Price: Free - Rating: 5.00/5 from 1 App Store ratings - Age rating: +4 - Requires: iOS 13.0 · 255 MB - Languages: European Portuguese, Afrikaans, Albanian, German (Germany), Azerbaijani, Breton, Bulgarian, Czech, Danish, Slovak and 25 more - Released: 2025-12-17 - Data updated: 2026-08-15 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/crossnumbers-puzzle-games/id6755718868/reviews.md ## What is Crossnumbers? Crossnumbers is a logic-based math puzzle game that brings together mental calculation and the structure of cross-number puzzles. Players interpret numerical clues correctly and place the result into the one unique spot it fits within the grid. Since clues intersect both vertically and horizontally, each placement must satisfy two connected equations simultaneously. There is no guessing involved — every puzzle is completed only through reasoning, calculation, intersection validation, and maintaining correct sums. Game objective: To fill intersections in rows and columns to match the given clues, To keep all equations valid without breaking the balance, To ensure that every intersecting placement satisfies both clues at the same time. Design principles: Every level has exactly one unique and valid solution. Clues guide the logic forward, they never provide the solution directly. Each hint reveals only one number per use, aiming to strengthen the next logical step. When the puzzle is completed correctly, all equations result in zero error margin. Difficulty increases step by step — early levels focus on fundamental addition and subtraction, while advanced puzzles introduce multiplication, division, compound equations, and more complex clue interactions. Grid sizes scale from small beginner boards to larger, more intricate layouts. The aim is to expand analytical structuring, systematic thinking, and accurate internal validation during play. Player gains: Increases speed and accuracy in mental arithmetic. Strengthens logical reasoning and structured problem-solving habits. Improves attention control and sustained focus. Removes the stress of incorrect placement, as equation balance internally verifies correctness. Playable offline with no time pressure. Encourages strategic thinking and self-testing through fair challenge loops. Built for puzzle lovers, CrossNumbers turns solving, discovering, and accurate grid placement into a compelling gameplay flow. Completing the grid is not just a move — it’s a process of discovery, carrying the satisfaction of eliminating wrong possibilities and placing the mentally confirmed number into its only correct position. Every puzzle delivers the thrill of approaching the solution and the clarity moment when logical connections converge into a single correct intersection. ## Key features - Logic-based number puzzles - Mental calculation practice - Cross-number grid challenges - Progressive difficulty levels - Offline play - No time pressure ## Frequently asked questions about Crossnumbers ### What is Crossnumbers? Crossnumbers is a logic-based math puzzle game where players fill grids with numbers by interpreting clues and ensuring intersecting equations are valid. It aims to improve mental calculation and logical reasoning. ### How does Crossnumbers work? Players use numerical clues to place numbers in a grid, where each placement must satisfy both horizontal and vertical equations simultaneously. The game emphasizes reasoning and calculation over guessing. ### Is Crossnumbers playable offline? Yes, Crossnumbers is playable offline, allowing users to enjoy the puzzles without an internet connection and without any time pressure. ### What are the benefits of playing Crossnumbers? Playing Crossnumbers can increase speed and accuracy in mental arithmetic, strengthen logical reasoning, and improve attention control and sustained focus. ### Does Crossnumbers have ads? Yes, Crossnumbers contains advertisements. As a free game, ads are used to support its development and availability. ### What is the difficulty progression in Crossnumbers? The difficulty increases step by step, starting with fundamental addition and subtraction. Advanced puzzles introduce multiplication, division, and more complex clue interactions with larger grids. ### What devices does Crossnumbers support? Crossnumbers supports iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users. ### What is the age rating for Crossnumbers? Crossnumbers has an age rating of +4, indicating it is suitable for children aged four and above. ## Version history (last 5 releases) ### 1.0.7 — 2026-01-16 Get ready for an exciting update! -Amazing NEW LEVELS -Bug fixes -Performance improvements ### 1.0.6 — 2026-01-10 Get ready for an exciting update! -Amazing NEW LEVELS -Bug fixes -Performance improvements ### 1.0.5 — 2026-01-03 Get ready for an exciting update! -Amazing NEW LEVELS -Bug fixes -Performance improvements ### 1.0.4 — 2025-12-27 Get ready for an exciting update! -Amazing NEW LEVELS -Bug fixes -Performance improvements ### 1.0.3 — 2025-12-23 Get ready for an exciting update! -Amazing NEW LEVELS -Bug fixes -Performance improvements ## Apps similar to Crossnumbers | App | Rating | Price | Category | | --- | --- | --- | --- | | [Category Sort](https://appshunter.io/ios/app/category-sort/id6758512068) | 4.7 (9,047) | Free | Games | | [Nature Color By Number Games](https://appshunter.io/ios/app/nature-color-by-number-games/id6760288619) | 4.8 (282) | Free | Games | | [Screw Pixel - Jewel Color Sort](https://appshunter.io/ios/app/screw-pixel-jewel-color-sort/id6760643806) | 4.9 (649) | Free | Games | | [Click Wood](https://appshunter.io/ios/app/click-wood/id6758291481) | 4.7 (1,877) | Free | Games | | [Reality Bay: Merge & Discover](https://appshunter.io/ios/app/reality-bay-merge-and-discover/id6757261926) | 4.9 (4,894) | Free | Games | | [Zendala Color](https://appshunter.io/ios/app/zendala-color/id6756484219) | 4.6 (65) | Free | Games | ## More apps by LEAP BILISIM TEKNOLOJILERI VE YAZILIM TICARET ANONIM SIRKETI - [Hidden Tales - Find Objects!](https://appshunter.io/ios/app/hidden-tales-find-objects/id6475162035) - [Town Match!](https://appshunter.io/ios/app/town-match/id6741925596) - [Nice Cream - Idle Tycoon](https://appshunter.io/ios/app/nice-cream-idle-tycoon/id6754010578) - [Search It - Hidden Objects](https://appshunter.io/ios/app/search-it-hidden-objects/id6756185760) All apps by LEAP BILISIM TEKNOLOJILERI VE YAZILIM TICARET ANONIM SIRKETI: https://appshunter.io/developer/1723451531 --- *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 2026-08-15.*