# Sudoku Infinity: Classic — Daily Sudoku Puzzle

> Daily Sudoku Puzzle (iPhone/iPad app by Junjie Zhu.)

- Source: https://appshunter.io/ios/app/sudoku-infinity-classic/id6747260909 (this page in markdown: same URL + `.md`)
- Developer: [Junjie Zhu](https://appshunter.io/developer/1820439500)
- Category: Games, Board, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 34 MB
- Languages: English
- Released: 2026-03-03
- Data updated: 2026-07-18
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-infinity-classic/id6747260909/reviews.md

## What is Sudoku Infinity?

Sudoku - Clean. Focused. Timeless.

Enjoy a calm and carefully crafted Sudoku experience, designed for players who value clarity, logic, and smooth gameplay.

Thousands of Curated Puzzles

Choose from 4 difficulty levels

Take on the Daily Challenge

Every puzzle has a unique solution

Always something new to solve.

Smart Features

Smart Input prevents invalid entries

Number-First input mode

Smart Notes automatically update candidates

Logical hints

Easy erase, undo, and smooth note-taking

Keep your streak and earn rewards

Focus on solving, not on the interface.

Track Your Progress

Completion history

Detailed statistics

Best times

Long-term streak tracking

17 achievements to unlock

Improve at your own pace.

Designed for Comfort

Clean, minimal interface

Dark mode

Offline play

No distractions. Just Sudoku.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Premium Membership | $6.99 | one-time |



## Version history (last 5 releases)

### 1.3.0 — 2026-05-03

Smart Notes now support selected cells or all empty cells.
Bug fixes included.

### 1.2.2 — 2026-03-26

Minor improvements and bug fixes

### 1.2.1 — 2026-03-20

Improved Smart Hint interactions

Refined the iPad layout

Minor bug fixes and stability improvements

### 1.2.0 — 2026-03-19

Added a better puzzle library

Added logical hints, statistics, and 17 achievements

Added Number-First input mode

Improved UI, animations, and interactions

Other improvements and bug fixes

### 1.1.1 — 2026-03-10

• Automatically highlights the only possible number
• Improved UI for a smoother playing experience
• Minor bug fixes and optimizations

## More apps by Junjie Zhu

- [Cross Sum Mini: Number Logic](https://appshunter.io/ios/app/cross-sum-mini-number-logic/id6760963697)
- [Morph Blast: Block Puzzle](https://appshunter.io/ios/app/morph-blast-block-puzzle/id6762010038)

All apps by Junjie Zhu: https://appshunter.io/developer/1820439500

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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 2026-07-18.*