Comparison

SudoCool vs Number Riddle

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

Head to head
About

SudoCool

This logic-based puzzle game challenges your concentration and problem-solving skills with a vast collection of Sudoku puzzles. It offers adjustable difficulty levels, helpful tools like notes and hints, and progress tracking for players of all skill levels.

Highlights
  • 10,000+ puzzles
  • Multiple difficulty levels
  • Notes and hints support
  • Mistake auto-checking
  • Progress statistics
  • Pause and resume functionality
Features
Read full description

The popular puzzle game Sudoku is based on the logical placement of numbers. A game of logic, Sudoku doesn’t require any calculation nor special math skills; all that is needed are brains and concentration. Sudoku is for beginners and advanced players. Playing Sudoku on mobile is as good as with a pencil and paper. Each Sudoku puzzle has only one solution! Features: - Ultra large numbers of puzzle, 10000+ - Multiple difficulty levels - Supports notes - Supports hints - Mistakes Auto-checking - Supports themes - Pause & resume game at any time - Useful statistics to keep track of your progress - Supports portrait and Landscape on iPad - Supports sounds - Simple controls - Supports iPhone X Choose any level you like. Play easier levels to exercise your brain, or try expert levels to give your mind a real workout. Come and challenge, within no time Sudoku will be your favorite free game. Subscriptions: ------------------------------- * Premium Features for 3 months ($2.99) * Premium Features for 1 Year ($7.99) The subscriptions auto-renews at the end of the term, unless cancelled 24 hours in advance. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal.Subscriptions may be managed by you and auto-renewal may be turned off by going to your Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchases a subscription to that publication, where applicable. Term of privacy: http://www.jijijaja.com/apps/privacyGame.htm Term of subscription: http://www.jijijaja.com/apps/appleSubscript.htm

About

Number Riddle

A logic-based deduction game where you uncover a hidden 3-digit code using limited clues and precise feedback. It offers quick gameplay sessions perfect for brain training and challenging your reasoning skills.

Highlights
  • Classic logic-based gameplay
  • Quick play sessions
  • Clear feedback system
  • Multiple difficulty levels
  • Level Mode
  • Daily Challenge
Read full description

“Number Riddle” is a simple yet highly challenging number deduction game. Using limited clues, you must uncover a hidden 3/4-digit code. Each guess provides precise feedback: whether the numbers are correct and whether their positions are correct. Step by step, you’ll use logic to get closer to the answer. It may seem simple, but it’s truly brain-burning. 【Features】 • Classic logic-based gameplay • Each round takes only a few minutes — perfect for quick play anytime, anywhere • Clear feedback system: correct position / correct number / completely wrong • Multiple difficulty levels, from beginner to advanced 【Game Modes】 • Level Mode: Unlimited stages to continuously challenge your reasoning skills • Daily Challenge: One puzzle every day — compete with players around the world 【Why It’s Addictive】 • That constant feeling of being “just one step away” from the answer • Simple rules combined with deep strategy • Perfect for short breaks — the more you play, the more hooked you get Can you crack the code in the fewest moves? Download now and start your logic challenge.

Screenshots

SudoCool4 screens
Number Riddle4 screens

Verdict

The call

The clearest difference is review sentiment: Number Riddle at 67% against SudoCool's 0%. Number Riddle also leads on in-app purchases (none vs 3) and ads (none vs shown). SudoCool's advantage is price (Free vs $0.99) and iOS requirement (14.0 vs 16.6). On device support 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

SudoCool is free to download; Number Riddle costs $0.99 up front. SudoCool sells 3 one-off in-app purchases. Number Riddle asks for nothing beyond the download.

UpkeepUpdate frequency

SudoCool ships an update every 4 months, Number Riddle fortnightly. The most recent releases landed on October 5, 2026 and October 19, 2026 respectively.

Scorecard7 real differences · 3 level
SudoCool versus Number Riddle: the parameters behind the verdict, then further details
ParameterSudoCoolNumber Riddle
PriceFree — better$0.99
Rating2.0 (1 ratings) — better—
Positive reviews0.0% of reviews66.7% of reviews — better
Number of ratings1 — better—
Update frequencyEvery 4 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.6
Further details — not scored
Size16 MB7 MB
Age rating4+4+
Developer景灯 梁坡 王

Customer experience

SudoCool

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Number Riddle

Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

3 purchases

SudoCool

One-time3
  • Remove Ads$1.99
  • 20 Hints$1.99
  • 50 hints$3.99
None

Number Riddle

No in-app purchases

Questions

Is SudoCool free?
SudoCool is free to download, with in-app purchases available.
Is Number Riddle free?
Number Riddle costs $0.99, with no in-app purchases.
Do SudoCool or Number Riddle have ads?
SudoCool shows ads; Number Riddle does not.
Which is updated more often, SudoCool or Number Riddle?
SudoCool ships an update every 4 months, and Number Riddle fortnightly. Most recently, SudoCool was updated on October 5, 2026 and Number Riddle on October 19, 2026.

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