Comparison

Sudoku Institute vs NumberMind

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

Head to head
About

Sudoku Institute

This app teaches advanced Sudoku solving techniques with animated tutorials and step-by-step explanations. It offers training puzzles, a real-time answering system, and endless challenges to help players master the game.

Highlights
  • Professional solving techniques with animated tutorials
  • 9 training puzzles per technique
  • Real-time answering system with dynamic steps
  • Solver for player-inputted puzzles
  • Endless challenge levels (Normal, Difficult, Legend)
  • Track winning streaks and rewards
Features
Currently charting
Read full description

The fun of playing Sudoku is logical reasoning. In the current Sudoku APPs, the biggest problem is that it can’t show the solving techniques and explaining them. When players get in trouble, they can either guessing, or let the APP to help fill a baffling number. Players still confused, and can not grow. Sudoku Institute solved the problem completely. Sudoku is one of the best puzzle games in human history, and there are plenty of fans around the world. The vision of Sudoku Institute is helping players to experience the magical world of Sudoku, and boarded the peak. Sudoku Institute is game, but also tutorials. ——— TECHNIQUES There are the world's most professional solving techniques in Sudoku Institute, each skill has a detailed animated tutorials and explanation. They include Last Value, Hidden Single in box, Hidden Single in line, Pointing, Claiming, Naked/Hidden Pair, Triplet, Quad, X-Wing, Swordfish, Jellyfish, Skyscraper, Two Strings Kite, Turbot Fish, X-Chain, Group X-Chain, XY-Chain. ——— TRAINING There are 9 training puzzles for each technique. From easy to difficult, gradually deepened. ——— ANSWERING SYSTEM Sudoku Institute has created a powerful real-time answering system, she can show the details of the problem-solving steps dynamically. ——— SOLVER The Solver can solve sudoku puzzles that players input. Whenever players have doubts about a puzzle, they can get an answer from the Solver. ——— ENDLESS CHALLENGE Sudoku Institute provides three challenge levels for "Normal", "Difficult" and "Legend", which contains endless Sudoku puzzles. In the challenge levels, you can challenge your winning streak, gains and rewards.

About

NumberMind

Features
Read full description

Welcome to NumberMind - the ultimate destination for lovers of numbers, logic, and brain-teasing challenges. Why clutter your phone with multiple puzzle apps when you can have five of the world’s best numerical and logical games beautifully crafted into a single, elegant experience? Whether you want a relaxing mental wind-down or an intense arithmetic workout, NumberMind keeps your brain sharp, agile, and focused. Sudoku, Kakuro, Mtah, Number, Daily number, Daily equation

Screenshots

Sudoku Institute4 screens
NumberMind4 screens

Verdict

The call

The clearest difference is price: NumberMind at Free against Sudoku Institute's $0.99. NumberMind also leads on update cadence (every 3 days vs every 10 days). Sudoku Institute's advantage is ads (none vs shown) and chart position (#120 vs unranked). On in-app purchases and 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

NumberMind is free to download; Sudoku Institute costs $0.99 up front. Sudoku Institute sells 6 one-off in-app purchases and NumberMind sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sudoku Institute ships an update every 10 days, NumberMind every 3 days. Both last shipped on September 18, 2026.

Scorecard5 real differences · 6 level
Sudoku Institute versus NumberMind: the parameters behind the verdict, then further details
ParameterSudoku InstituteNumberMind
Price$0.99Free — better
Rating3.9 (14 ratings) — better
Positive reviews58.3% of reviews
Number of ratings14 — better
Update frequencyEvery 10 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationPaid
Best chart rank#120 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size6 MB40 MB
Age rating4+12+
Developer大胜 纪Shai Alkoby

In-app purchases

6 purchases

Sudoku Institute

One-time6
  • 60 GEMS$0.99
  • 190 GEMS$2.99
  • 320 GEMS$4.99
Show 3 more
  • 750 GEMS$9.99
  • 1890 GEMS$25.99
  • 3800 GEMS$49.99
1 purchases

NumberMind

One-time1
  • Remove Ads$8.99

Questions

Is Sudoku Institute free?
Sudoku Institute costs $0.99, and also offers in-app purchases.
Is NumberMind free?
NumberMind is free to download, with in-app purchases available.
Do Sudoku Institute or NumberMind have ads?
NumberMind shows ads; Sudoku Institute does not.
Which is updated more often, Sudoku Institute or NumberMind?
Sudoku Institute ships an update every 10 days, and NumberMind every 3 days. Most recently, Sudoku Institute was updated on September 18, 2026 and NumberMind on September 18, 2026.

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