Comparison

NinjaSudoku vs Shadow Ninja Sudoku

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head

NinjaSudoku

Classic and color Sudoku

About

NinjaSudoku

Features

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NinjaSudoku includes - Level 1-5 sudoku generator - Save and play sudoku of your choice - Notes - Undo - Multi-step help - Color mode - Flat, popup free user interface - Ad free - Flight mode friendly

About

Shadow Ninja Sudoku

Features

Read full description

Unleash your inner Sudoku ninja! Ninja Sudoku is your ultimate companion for solving any Sudoku puzzle effortlessly. Whether you’re stuck on a tricky grid or looking for inspiration, this app solves puzzles in seconds while offering a sleek and user-friendly experience. Perfect for beginners and Sudoku masters alike. Download now and conquer Sudoku like a pro!

Screenshots

NinjaSudoku4 screens

Shadow Ninja Sudoku4 screens

Verdict

The call

The clearest difference is in-app purchases: NinjaSudoku at none against Shadow Ninja Sudoku's 1. Shadow Ninja Sudoku's advantage is update cadence (every 10 months vs every 52 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Shadow Ninja Sudoku sells 1 one-off in-app purchase. NinjaSudoku asks for nothing beyond the download.

UpkeepUpdate frequency

NinjaSudoku ships an update every 52 months, Shadow Ninja Sudoku every 10 months. The most recent releases landed on September 30, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level

NinjaSudoku versus Shadow Ninja Sudoku: the parameters behind the verdict, then further details
Parameter	NinjaSudoku	Shadow Ninja Sudoku
Price	Free	Free
Update frequency	Every 52 months	Every 10 months — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.6	15.3 — better
Further details — not scored
Size	1 MB	27 MB
Age rating	4+	4+
Developer	Compiled	Hesam Darvishiyan Haghighi

In-app purchases

None

NinjaSudoku

No in-app purchases

1 purchases

Shadow Ninja Sudoku

One-time1

Remove ads$4.99

Questions

Is NinjaSudoku free?

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

Is Shadow Ninja Sudoku free?

Shadow Ninja Sudoku is free to download, with in-app purchases available.

Do NinjaSudoku or Shadow Ninja Sudoku have ads?

Neither NinjaSudoku nor Shadow Ninja Sudoku shows ads.

Which is updated more often, NinjaSudoku or Shadow Ninja Sudoku?

NinjaSudoku ships an update every 52 months, and Shadow Ninja Sudoku every 10 months. Most recently, NinjaSudoku was updated on September 30, 2026 and Shadow Ninja Sudoku on October 25, 2026.