# AshGrid Sudoku: Classic Sudoku — Logic Challenges > Offline grayscale Sudoku app with logic challenges and progressive strategy tips. (iPhone/iPad app by Quanzhou Rousha E-commerce Co., Ltd..) - Source: https://appshunter.io/ios/app/ashgrid-sudoku-classic-sudoku/id6763324709 (this page in markdown: same URL + `.md`) - Developer: [Quanzhou Rousha E-commerce Co., Ltd.](https://appshunter.io/developer/1868853385) - Category: Entertainment - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 16 · 49 MB - Languages: American English, Chinese (Simplified, China) - Released: 2026-04-23 - Data updated: 2026-09-03 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/ashgrid-sudoku-classic-sudoku/id6763324709/reviews.md ## What is AshGrid Sudoku? AshGrid Sudoku is an offline grayscale Sudoku application designed around quiet reasoning. Standard games, daily challenges, historical replays, statistical charts and progressive strategy tips are organized into the same set of restraint interfaces, allowing you to continue to focus on the logic of the question. It is not only suitable for quickly completing a game in fragmented time, but also suitable for establishing a long-term repeatable Sudoku training rhythm with the help of candidate spoilers, automatic candidates, strategy teaching, winning streak records and number pool stores. 1. Offline and instant play: standard games, daily challenges, automatic saves, history records and replays are all completed locally, and can be continued stably even when the network is weak or no network. 2. Progressive assistance and teaching: Tips, candidate spoilers, automatic candidates, and advanced strategy tips such as Claiming and X-Wing are all equipped with step-by-step instructions, which can not only save the day, but also help understand the reasoning path. 3. Long-term feedback and personalized experience: completion rate, fastest time, error trend, activity trend, winning streak, plus music, sound effects, haptics and store configuration, so that the training rhythm and usage experience can be adjusted according to your preferences. ## Key features - Offline and instant play - Progressive assistance and teaching - Long-term feedback and personalized experience - Daily challenges - Historical replays - Statistical charts ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 30 数池点 | $0.99 | one-time | | 80 数池点 | $1.99 | one-time | | 180 数池点 | $3.99 | one-time | | 400 数池点 | $6.99 | one-time | ## Frequently asked questions about AshGrid Sudoku ### Does AshGrid Sudoku have ads? No, AshGrid Sudoku is ad-free, allowing for an uninterrupted puzzle-solving experience. ### Can I play AshGrid Sudoku offline? Yes, AshGrid Sudoku is designed for offline play. Standard games, daily challenges, automatic saves, and history records are all completed locally, ensuring stable gameplay even with weak or no network. ### What kind of assistance does AshGrid Sudoku offer? AshGrid Sudoku provides progressive assistance including tips, candidate spoilers, automatic candidates, and advanced strategy tips like Claiming and X-Wing, all with step-by-step instructions. ### How does AshGrid Sudoku track my progress? The app offers long-term feedback through completion rates, fastest times, error trends, activity trends, and winning streaks, allowing you to adjust your training rhythm and usage experience. ### What devices is AshGrid Sudoku available on? AshGrid Sudoku is supported on iPhone, iPad, and iPod devices. ### What is the age rating for AshGrid Sudoku? AshGrid Sudoku has an age rating of 4+, making it suitable for a wide range of players. ### How often is AshGrid Sudoku updated? The latest version is 1.6.24, and the app was last updated on June 24, 2026, indicating regular updates. ### What makes AshGrid Sudoku unique? Its focus on quiet reasoning, offline play, and progressive strategy teaching tools differentiates it, aiming to help users not just play but understand the logic behind Sudoku. ## Version history (last 5 releases) ### 1.8.11 — 2026-08-11 A smoother, more reliable experience: • Fixed known issues and improved overall stability. • Optimized core logic for smoother, more responsive play. ### 1.8.2 — 2026-08-02 Fix known errors and optimize code logic Optimize request interface and optimize network processing ### 1.6.24 — 2026-06-24 Fix known errors and optimize code logic ### 1.5.6 — 2026-05-06 Fix known errors and optimize code logic Added export of game information Optimize layout UI ### 1.4.26 — 2026-04-26 Continue to optimize accessibility semantic completion Fix known errors and optimize code logic ## More apps by Quanzhou Rousha E-commerce Co., Ltd. - [Come on~ Bro](https://appshunter.io/ios/app/come-on-bro/id6757796136) - [＜?＞: Philosophical Choice](https://appshunter.io/ios/app/philosophical-choice/id6757993986) - [Yeah buddy~](https://appshunter.io/ios/app/yeah-buddy/id6758081991) - [Bing Duck Splash](https://appshunter.io/ios/app/bing-duck-splash/id6758666565) - [SunTime Log](https://appshunter.io/ios/app/suntime-log/id6758686308) - [Immortal Path](https://appshunter.io/ios/app/immortal-path/id6758699292) All apps by Quanzhou Rousha E-commerce Co., Ltd.: https://appshunter.io/developer/1868853385 --- *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 2026-09-03.*