# Sudokure - Smart Notes Sudoku — Brain Training Logic Puzzle

> Brain Training Logic Puzzle (iPhone/iPad app by 晓飞 何.)

- Source: https://appshunter.io/ios/app/sudokure-smart-notes-sudoku/id6761462337 (this page in markdown: same URL + `.md`)
- Developer: [晓飞 何](https://appshunter.io/developer/1129686214)
- Category: Entertainment, Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.5 · 5 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-04-08
- Data updated: 2026-08-02
- User reviews in markdown: https://appshunter.io/ios/app/sudokure-smart-notes-sudoku/id6761462337/reviews.md

## What is Sudokure?

Sudoku: Your Brain’s Ultimate Workout!

- Logic Boost: Solve puzzles like a detective—turn numbers into a mental gym!
- Focus Power: Dive deep, block distractions, and lock your attention on the prize!
- Memory Master: Track patterns, store clues—your hippocampus will thank you!
- Age-Defying: A daily dose keeps your brain young, sharp, and lightning-fast at 60!

— Sudoku isn’t just a game—it’s brain fuel for a lifetime of clarity!

Classic Sudoku, reimagined. Whether you’re a beginner or an expert, you’ll enjoy the pure joy of logic and focus.

====== Key Features ======

- Three input modes: Number mode, Manual Notes mode, Auto Notes mode (Pro).
- Smart assistance: Hints, Auto‑Fill, Clear All Notes.
- Real‑time conflict detection: automatically highlights duplicate numbers in rows, columns, and boxes.
- Undo & Redo: experiment without fear, worry‑free operation.
- Dark Mode: comfortable for both day and night.

====== Statistics ======

- Detailed stats page: total completions, time distribution, time spent per difficulty, mistake statistics, etc.
- Personal bests: fastest completion time, average mistakes, etc.
- Charts: completion rate and time distribution at a glance

====== Fun Brain Scores ======

After each game, we generate playful brain scores based on difficulty, time, mistakes, and hints used:

- Brain Boost (%)
- Brain Calories burned
- IQ Change
- Dementia Risk
- Brain Cell Activity (%)

For entertainment only – a little smile for your mental effort.

====== Free vs Premium ======

The free version gives unlimited access to all difficulties (Beginner to Expert), but hint and auto‑fill helpers have daily usage limits, and Auto Notes as well as undo/redo are not included. Full statistics are also limited.

The Premium Edition unlocks unlimited hints, unlimited auto‑fill, unlimited undo/redo, Auto Notes that update candidates in real time, complete statistical charts, and removes all ads. One‑time purchase, enjoy forever.

====== Why choose this Sudoku app? ======

Distraction‑free interface, focused solving

All data stored locally, your privacy protected

Regular updates, listening to player feedback

====== The Impact of Sudoku on Your Brain ======

Short‑term cognitive improvements

Enhanced logical reasoning: The core of Sudoku is logical deduction – using elimination, hypothesis testing, and strategies to fill the grid. This training significantly improves your brain’s ability to analyze logic, quickly identify patterns, and solve complex problems.

Improved focus and concentration: Solving Sudoku requires high concentration, avoiding distractions. Long‑term practice can extend your attention span and boost multitasking ability, positively affecting tasks that require sustained focus (e.g., studying, working).

Strengthened working memory: Sudoku demands that you keep multiple numbers and possibilities in your mind at once, which exercises your working memory (the ability to process information in short‑term memory). This helps improve learning efficiency and information processing speed.

Long‑term brain health maintenance

Prevention of cognitive decline: Studies show that regular mental activities like Sudoku can reduce the risk of dementia (e.g., Alzheimer’s disease). Such activities stimulate neural connections, delay atrophy in key regions like the hippocampus, and maintain cognitive function.

Promotion of neuroplasticity: Sudoku requires cooperation among different brain regions (prefrontal cortex, parietal lobes, etc.). Long‑term practice enhances connectivity between these areas, improving brain flexibility and adaptability, and may even promote the generation of new neurons.

Download now and start your logic challenge. One puzzle a day keeps your brain sharp and bright.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium Edition | $2.99 | one-time |



## Version history (last 3 releases)

### 1.2 — 2026-07-24

We're now Sudokure! Same pure Sudoku experience, fresh new identity.
- New name, new look — everything you love stays the same
- Fixed an issue where version update detection didn't work correctly
- Minor improvements and optimizations

### 1.1 — 2026-06-29

- Smarter purchase flow: Premium status is now detected more reliably at launch.
- Improved Store page: Products load faster with clearer feedback for every state.
- Smarter version tracking: The app now properly detects updates and resets per-version statistics.
- Bug fixes and stability improvements for a smoother Sudoku experience.

### 1.0 — 2026-04-09

No release notes.

## More apps by 晓飞 何

- [Card Maths - Kids mental math](https://appshunter.io/ios/app/card-maths-kids-mental-math/id1187800706)
- [Alarmix - Gentle Alarm Clock](https://appshunter.io/ios/app/alarmix-gentle-alarm-clock/id1402380896)
- [Remind Timer -Background timer](https://appshunter.io/ios/app/remind-timer-background-timer/id1446881212)
- [Clock Talk - Alarm & Timer](https://appshunter.io/ios/app/clock-talk-alarm-and-timer/id6738854636)
- [Chimo - Voice Reminders](https://appshunter.io/ios/app/chimo-voice-reminders/id6758146009)

All apps by 晓飞 何: https://appshunter.io/developer/1129686214

## Related topics

[preventing decline](https://appshunter.io/ios/topics/preventing-decline)

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*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 2026-08-02.*