# Sumoku: Number Logic Game > Number logic puzzle game with grid-filling and cage-summing mechanics. (iPhone/iPad app by Kelsey Fargas.) - Source: https://appshunter.io/ios/app/sumoku-number-logic-game/id6756796574 (this page in markdown: same URL + `.md`) - Developer: [Kelsey Fargas](https://appshunter.io/developer/1862865365) - Category: Games, Puzzle, Simulation - Price: Free with in-app purchases - Rating: 4.89/5 from 18 App Store ratings · 11 written reviews indexed - Age rating: 4+ - Requires: iOS 17.6 · 171 MB - Languages: English - Released: 2026-04-04 - Data updated: 2026-08-08 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/sumoku-number-logic-game/id6756796574/reviews.md ## What is Sumoku? I built Sumoku as a Christmas gift for my mom who does these number puzzles in her puzzle books. If you like Sudoku, you'll pick this up fast. Fill every row and column with unique numbers, and make every cage add up to its target sum. Free, no ads, no doomscrolling. Just the kind of brain workout that actually feels good. Hope you love it! Sumoku! Where Numbers Meet Strategy PLAY FOR FREE Sumoku is free to play. Optional in-app purchases are available for extra Mochis to spend on lives, hints, and Zen mode (skins, board themes and unlimited puzzles) SIX GRID SIZES (4x4 through 9x9) Sumoku is for beginners to advanced players. Start with approachable 4x4 grids and work your way up to brain-bending 9x9 puzzles. Each size offers Easy, Medium, and Hard difficulties, that's 18 unique challenge levels to conquer! COMPETE & CLIMB THE LEADERBOARD Connect with Apple's Game Center to track your scores across Classic, Time Attack, and Streaks leaderboards. Filter by grid size and difficulty to see how you stack up against players worldwide. Earn your spot on the podium! 100+ ACHIEVEMENTS TO UNLOCK From your first puzzle win to mastering 9x9 on Hard without mistakes, there's always a new milestone to chase. Achievements span Beginner, Scoring, Mastery, Speed, Streaks, Challenges, and more. BATTLE A BOT Test your speed against AI opponents in head-to-head Bot Battles. Choose your grid size and difficulty, then race to finish first. Bot Battles have their own scoring, can you outsmart the AI? SMART TOOLS Pencil Mode: Jot down candidate numbers as notes before committing Magnifier: Zoom into cages for a closer look on larger grids Hints: Use a hint to reveal a cell and keep your momentum going Auto-Notes: Let the game pencil in candidates on hard 8x8 and 9x9 puzzles Smart hints: Understand why a number was entered into a cage using Sumoku techniques Smart Input/ Pencil: When you select a cell, the keypad greys out the numbers that can't legally go there Lock-In: Submit all your pencil notes at once for a bold, high-risk play EARN & SPEND MOCHIS Earn Mochis by completing puzzles, achieving perfect Medium and Hard games, hitting score milestones, and maintaining daily streaks Spend them on extra lives and hints when you need a boost, or stock up in the Mochi Shop. BUILT FOR YOUR STYLE Dark Mode with a sleek, modern blue palette Clean design with smooth animations Auto-save so you never lose progress, even if you close the app Daily streak tracking and weekly recaps to keep you coming back Multiple active games — juggle different grid sizes at once Love puzzles? Challenge yourself with Sumoku and see how far your logic can take you! ## Key features - Multiple grid sizes and difficulty levels - Leaderboard competition - Unlockable achievements - AI bot battles - Pencil mode and hints - In-game currency system ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Zen Mode | $8.99 | one-time | | 5 Extra Hints | $2.99 | one-time | | 5 Extra Lives | $2.99 | one-time | | 10 Extra Hints | $4.99 | one-time | | 10 Extra Lives | $4.99 | one-time | | 500 Stars | $4.99 | one-time | | 15 Stars | $0.69 | one-time | | 20 Stars | $0.99 | one-time | | 100 Stars | $2.99 | one-time | | 50 Stars | $1.99 | one-time | | 1200 Stars | $9.99 | one-time | ## Recent user reviews (10 of 11) All indexed reviews: https://appshunter.io/ios/app/sumoku-number-logic-game/id6756796574/reviews.md ### 5/5 — SO addictive! I can't stop *2026-04-18* Love love love this game! I wasn't a sudoku player before, but I got really into this! The mochis are so adorable and make my brain so happy. ### 5/5 — Amazing app for having fun & working out your brain *2026-04-12* I didn’t know what Sumoku was but this app did a great job teaching it to me and helped me get better as I practiced more. The design is smooth & fun too, and I love the leaderboard to challenge myself and my friends. Awesome app!! ### 5/5 — So fun! *2026-04-11* Really enjoying this fresh take on Sudoku, it’s hard to stop you want to just keep going higher and higher! Love the art and design too. ### 5/5 — Fun puzzle *2026-04-09* Fun puzzle game with just the right amount of challenge involved. It’s easy to pick up and start playing right away! **Developer response:** Thank you for playing! ### 5/5 — my new favorite app *2026-04-08* i love sudoku and this is like a whole new level up. i can’t stop playing it’s so fun **Developer response:** Glad you like the game, thanks for playing! ### 5/5 — I’m hooked *2026-04-07* The game has different difficulties as well as different grid sizes, making it perfect for a one minute break OR a 10 minute break. I choose based on how much time I have, though you can save an unfinished puzzle for later. Great way to exercise the brain and avoid doom scrolling social media! **Developer response:** Thank you for playing the different puzzle sizes! Glad to see you’re here and not doom scrolling! - Kels ### 5/5 — Best Sumoku!! *2026-04-07* I love this game so much and it’s so addicting. I can play a regular sumoku game or be even more competitive and play against a bot or friends too! There’s a cool feature for “notes” so once you get to more difficult levels, there’s a mode to think through the puzzle and try to complete it without actually being penalized first. With this app, I can finally exercise my brain on my phone instead of just brain rotting. **Developer response:** My 9x9 strategy is fully notes so glad you like it! - Kels ### 5/5 — Obsessed! *2026-04-05* This is my favorite app in a long time!! Instead of scrolling insta or TikTok I open sumoku and work my brain! Every part of this app is so thoughtful, I highly recommend! **Developer response:** Here to help you train your brain!! - Kels ### 5/5 — Elegant, Addictive, and Thoughtfully Designed *2026-04-05* Sumoku is such a clean, satisfying game. The rules are simple but feel thoughtfully designed with just the right layer of challenge without overcomplicating things. Everything about it feels intentional. The developer clearly has taste. **Developer response:** Appreciate the review. Put a lot of thought into the design so glad you enjoy it :) - Kels ### 5/5 — so fun! *2026-04-04* I like this more than sudoko! **Developer response:** Thank you for playing! - Kels ## Frequently asked questions about Sumoku ### What is Sumoku? Sumoku is a number logic puzzle game where players fill grids with unique numbers, ensuring each cage adds up to its target sum. It offers multiple grid sizes, difficulties, and competitive features. ### How many grid sizes does Sumoku offer? Sumoku offers six grid sizes, ranging from 4x4 to 9x9, with each size providing Easy, Medium, and Hard difficulties, totaling 18 unique challenge levels. ### Can I compete with other players in Sumoku? Yes, Sumoku integrates with Apple's Game Center for leaderboards across Classic, Time Attack, and Streaks modes. You can filter by grid size and difficulty to see how you rank globally. ### Does Sumoku have ads? No, Sumoku is free to play and does not contain any advertisements, offering an uninterrupted puzzle experience. ### What are Mochis in Sumoku? Mochis are an in-game currency earned by completing puzzles, achieving perfect games, and maintaining streaks. They can be spent on extra lives and hints. ### Is Sumoku suitable for beginners? Yes, Sumoku is designed for beginners to advanced players, starting with approachable 4x4 grids and progressing to more challenging 9x9 puzzles. ### What are the smart tools available in Sumoku? Sumoku provides tools like Pencil Mode for notes, a Magnifier for larger grids, Hints to reveal cells, Auto-Notes for difficult puzzles, and Lock-In for a high-risk play. ### What is the age rating for Sumoku? Sumoku has an age rating of 4+, making it suitable for a wide range of players looking for a logic-based game. ## Version history (last 4 releases) ### 1.6 — 2026-07-01 Performance improvements and bug fixes ### 1.5 — 2026-06-26 New features, performance improvements, and bug fixes ### 1.4 — 2026-05-13 Performance improvements and bug fixes ### 1.0 — 2026-04-04 No release notes. ## Related topics [sumoku](https://appshunter.io/ios/topics/sumoku) --- *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 2026-08-08.*