# Sudoku - Daily Brain Training — No Ads, Offline, Easy–Expert

> No Ads, Offline, Easy–Expert (iPhone/iPad app by LOVE ORANGE TECHNOLOGY CO.,LTD.)

- Source: https://appshunter.io/ios/app/sudoku-daily-brain-training/id6737466027 (this page in markdown: same URL + `.md`)
- Developer: [LOVE ORANGE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1548268443)
- Category: Games, Education, Casual
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.6 · 7 MB
- Languages: American English, German (Germany), Japanese, Korean, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2024-10-30
- Data updated: 2026-08-26
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-daily-brain-training/id6737466027/reviews.md

## What is Sudoku?

Looking for a classic Sudoku you can actually settle into? This app is built for calm, focused logic—without interruptions.

Play on your commute or unwind in a quiet moment. There is a challenge waiting at every level.

FEATURES
• Four difficulties: Easy, Medium, Hard, and Expert
• Daily Challenge: a new puzzle each day, with a completion streak
• Smart tools: auto error check, highlight matching numbers, notes, auto-fill candidates, undo, erase, and a timer
• Quick tutorial: learn rows, columns, and boxes in about 30 seconds
• Calm visuals: a minimal board with light and dark themes; follow system appearance; completed digits fade on the keypad
• Play offline: puzzles are stored on device; no ads during play
• Auto-save and resume anytime; stats for games completed, best time, average time, and streaks
• iPhone and iPad

FREE TO PLAY
Classic Sudoku, Daily Challenge, notes, timer, and stats are free. Free users get 3 hints per day (as shown in the app).

MEMBERSHIP (In-App Purchase)
• Unlimited hints whenever you get stuck
• Premium board themes, including mint green, pure black, paper, vibrant orange, and glacier blue
• Member benefits continue to expand (see Membership in the app)

Plans (pricing and any free trial are shown in the app and on the App Store):
• Monthly membership: auto-renewable subscription
• Yearly membership: auto-renewable subscription (a free trial may be offered)
• Lifetime membership: one-time purchase, not a subscription

Subscription terms:
• Payment is charged to your Apple ID account at confirmation of purchase
• Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period
• Your account will be charged for renewal within 24 hours prior to the end of the current period
• Manage or cancel in Settings → Apple ID → Subscriptions
• Any unused portion of a free trial may be forfeited when you purchase a subscription
• For refunds and billing, contact Apple Support

HOW TO PLAY
Fill the 9×9 grid with digits 1–9 so each row, column, and 3×3 box contains every digit once. Given clues cannot be changed. Every standard puzzle has one solution.

Download and start your daily logic practice.

LEGAL
• Privacy Policy: https://iorangepie.com/common/ios/shudu/privacy-policy-en.html
• Terms of Service: https://iorangepie.com/common/ios/shudu/terms-of-service-en.html
• Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

By using this app, you agree to the above terms.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Membership | $0.99 | per month |
| Yearly Membership | $2.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Membership | $3.99 | one-time |



## Version history (last 5 releases)

### 5.0.0 — 2026-08-22

• Pause applies only to the current game. After a loss, you can try again or go Home.
• Daily Challenge now tracks progress more accurately across days.

### 4.5.0 — 2026-08-16

• A shorter tutorial: learn rows, columns, and boxes in about 30 seconds.
• Clearer interface and translations, with settings and themes that follow your system look.
• Daily Challenge: track your streak, with gentler puzzles in your first week.

### 4.2.0 — 2026-08-15

• Smoother play: a cleaner board, and completed digits fade on the keypad. 
• Bug fixes and stability improvements.

### 4.0.0 — 2026-07-25

1. fix some bugs.

### 3.3.0 — 2026-07-19

1. fix some bugs.

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## More apps by LOVE ORANGE TECHNOLOGY CO.,LTD

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All apps by LOVE ORANGE TECHNOLOGY CO.,LTD: https://appshunter.io/developer/1548268443

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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 2026-08-26.*