# Killer Sudoku - No Ads — Cage Sums · Logic Mastery > Logic puzzle game combining Sudoku with cage sum challenges and technique training. (iPhone/iPad app by 子健 高.) - Source: https://appshunter.io/ios/app/killer-sudoku-no-ads/id6792245436 (this page in markdown: same URL + `.md`) - Developer: [子健 高](https://appshunter.io/developer/1791450219) - Category: Entertainment, Education - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 31 MB - Languages: American English, French (France), German (Germany), Japanese, Korean, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan) - Released: 2026-08-04 - Data updated: 2026-08-25 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/killer-sudoku-no-ads/id6792245436/reviews.md ## What is Killer Sudoku? 40,000+ Killer Sudoku puzzles, daily challenges, and step-by-step logic hints. Learn killer techniques and drill them with focused practice—offline, anytime. Description Killer Sudoku — classic 9×9 Sudoku with cage sums for deeper logic. 【How to Play】 Fill 1–9 in every row, column, and box with no repeats. Dashed cages add two more rules: digits in a cage must add up to the corner total, and no digit may repeat inside a cage. Number placement plus summation makes every puzzle a richer solve. 【Huge Puzzle Library】 · Easy / Medium / Hard / Expert / Master — about 8,000 puzzles each · Daily Challenge with a calendar streak · Local library with progress and best times · Continue games; start sequentially or at random 【Learn Killer Techniques】 Built-in lessons from first fills to advanced killer logic: · Basics: Last Digits, Unique Cage Combinations, Innies & Outies (Rule of 45) · Intermediate: Working the Pairs, Few Cage Combinations, Cage Unit Overlap, Cage Splitting, Line/Unit Reduction · Advanced: Combo Exclusion, Cage Comparison, Rule of Parity Also includes a full classic Sudoku technique track—killer and standard logic in one app. 【Technique Practice】 Drill one skill at a time. Mark candidates red to eliminate and blue to place; match the target to clear the drill. Basic packs are free; intermediate and advanced packs unlock with Premium. 【Smart Hints】 When you’re stuck, get step-by-step reasoning with board highlights—why a digit belongs, or why a candidate must go—not just a reveal. 【Polished Controls】 Undo / redo, erase, notes, one-tap candidates, remaining-digit counts, timer, and error tracking. Auto-clear conflicting notes in the same row, column, box, and cage. Draw your own cages, set sums, solve with the built-in solver, and save up to 100 puzzles in My Library (iCloud sync). 【Premium】 One purchase, lifetime unlock: intermediate & advanced hint explanations, intermediate & advanced technique practice, and ongoing updates. Play offline. Think deeper. Open Killer Sudoku and master the cages. ## Key features - 40,000+ Killer Sudoku puzzles - Daily challenges and calendar streaks - Step-by-step logic hints - Learn killer Sudoku techniques - Offline play - Polished controls and progress tracking ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Alle Funktionen freischalten | $2.99 | one-time | ## Frequently asked questions about Killer Sudoku ### What is Killer Sudoku? Killer Sudoku is a logic puzzle game that combines classic Sudoku rules with the added challenge of cage sums. Digits within specified cages must add up to a given total, requiring deeper strategic thinking. ### Does Killer Sudoku have ads? No, Killer Sudoku is ad-free, allowing for an uninterrupted puzzle-solving experience. This is a key benefit for users who prefer to play without advertisements. ### How many puzzles are available in Killer Sudoku? Killer Sudoku offers a vast library of over 40,000 puzzles, divided into five difficulty levels: Easy, Medium, Hard, Expert, and Master, with approximately 8,000 puzzles in each. ### Can I play Killer Sudoku offline? Yes, Killer Sudoku can be played entirely offline. This means you can enjoy puzzles anytime, anywhere, without needing an internet connection. ### What are the Premium features in Killer Sudoku? Premium unlocks intermediate and advanced hint explanations, technique practice packs, and ongoing updates. This is available through a one-time purchase for lifetime access. ### What kind of techniques does Killer Sudoku teach? Killer Sudoku teaches a range of techniques from basics like 'Last Digits' and 'Unique Cage Combinations' to advanced strategies such as 'Combo Exclusion' and 'Rule of Parity'. ### What devices is Killer Sudoku available on? Killer Sudoku is available for iPhone and iPad, offering a seamless experience across Apple's mobile devices. ### How often is Killer Sudoku updated? The app was last updated on August 18, 2026, indicating a commitment to ongoing development and improvements. Future updates will likely include new puzzles and features. ## Version history (last 4 releases) ### 1.0.3 — 2026-08-18 1. Bug fixes and improvements ### 1.0.2 — 2026-08-08 1. Bug fixes and improvements ### 1.0.1 — 2026-08-05 1. Bug fixes and improvements ### 1.0 — 2026-08-04 No release notes. ## More apps by 子健 高 - [Sudoku Custom - No Ads](https://appshunter.io/ios/app/sudoku-custom-no-ads/id6740772715) - [Sudoku Custom Pro](https://appshunter.io/ios/app/sudoku-custom-pro/id6743707991) - [Data Structures and Algorithms](https://appshunter.io/ios/app/data-structures-and-algorithms/id6783425095) All apps by 子健 高: https://appshunter.io/developer/1791450219 ## Related topics [killer sudoku no ads](https://appshunter.io/ios/topics/killer-sudoku-no-ads) --- *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 2026-08-25.*