# Sudoku + Auto vs Black Block Game

The clearest difference is in-app purchases: Black Block Game at none against Sudoku + Auto's 9. Black Block Game also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Sudoku + Auto sells 6 one-off in-app purchases. Black Block Game asks for nothing beyond the download.

Sudoku + Auto ships an update every 5 weeks, Black Block Game every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Sudoku + Auto | Black Block Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (63 ratings)](https://appshunter.io/ios/app/sudoku-plus-auto-note/id6443801474/reviews)** | — |
| Number of ratings | **63** | — |
| Positive reviews | 84.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 74 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Funnerware](https://appshunter.io/developer/674121296) | [JOOWON YUN](https://appshunter.io/developer/1727278920) |

## What reviewers say

### Sudoku + Auto

[App page](https://appshunter.io/ios/app/sudoku-plus-auto-note/id6443801474)

This classic number puzzle game offers thousands of puzzles with adjustable difficulty levels. It features an innovative Auto-Note function that automatically fills in potential numbers, allowing players to focus on solving. Enjoy daily challenges, special events, and progress through increasingly difficult levels.

**Highlights:** Automatic note-taking, Thousands of puzzles, Multiple difficulty levels, Daily challenges, Special themed events, Instructional hints, Customizable palettes

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Puzzle Levels | $1.99 | one-time |
| All Puzzle Levels | $2.99 | one-time |
| Ad Removal | $3.99 | one-time |
| All Puzzle Levels | $3.99 | one-time |
| Premium Combo | $4.99 | one-time |
| Premium Combo | $5.99 | one-time |


### Black Block Game

[App page](https://appshunter.io/ios/app/black-block-game/id6477904673)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku + Auto free?

Sudoku + Auto is free to download, with in-app purchases available.

### Is Black Block Game free?

Black Block Game is free to download, with no in-app purchases.

### Do Sudoku + Auto or Black Block Game have ads?

Sudoku + Auto shows ads; Black Block Game does not.

### Which is updated more often, Sudoku + Auto or Black Block Game?

Sudoku + Auto ships an update every 5 weeks, and Black Block Game every 3 weeks. Most recently, Sudoku + Auto was updated on November 3, 2026 and Black Block Game on November 4, 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.*