# SudokuSmart vs Odd One

The clearest difference is review sentiment: SudokuSmart at 100% against Odd One's 92%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SudokuSmart ships an update every 2 weeks, Odd One weekly. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SudokuSmart | Odd One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/sudokusmart/id6738646281/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | **100.0% of reviews** | 91.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 36 MB | 23 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Felix Johnson](https://appshunter.io/developer/1781630400) | [Lucas Hesseldieck](https://appshunter.io/developer/6788079537) |

## What reviewers say

### SudokuSmart

[App page](https://appshunter.io/ios/app/sudokusmart/id6738646281)

Engage with hundreds of number puzzles, master advanced solving techniques, and challenge friends. Offers daily, weekly, and monthly competitions with prizes. Includes a step-by-step helper and extensive customization options for all skill levels.

**Highlights:** Daily and Weekly Sudokus with global leaderboard, Monthly tournaments with prizes, Step-by-step solving method helper, 750+ permanent levels of all difficulties, Scan Sudoku from photos, Customization options, Sandbox mode with advanced tools

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


### Odd One

[App page](https://appshunter.io/ios/app/odd-one/id6788079535)

A minimalist brain-training puzzle game where players identify the single tile that breaks a pattern in a grid. It offers four distinct game modes, including classic, arcade, endless, and daily challenges, all designed for calm, logical play.

**Highlights:** Four distinct game modes, Minimalist brain-training puzzles, Handcrafted and generated levels, No timer or time-based challenges, Color-assist mode for color-blind players, Light and dark mode, Calm piano soundtrack

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SudokuSmart free?

SudokuSmart is free to download, with no in-app purchases.

### Is Odd One free?

Odd One is free to download, with no in-app purchases.

### Do SudokuSmart or Odd One have ads?

Neither SudokuSmart nor Odd One shows ads.

### Which is updated more often, SudokuSmart or Odd One?

SudokuSmart ships an update every 2 weeks, and Odd One weekly. Most recently, SudokuSmart was updated on October 24, 2026 and Odd One on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*