Comparison

Sudoku Institute vs Sudoku Hint

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

Sudoku Hint

Features
Read full description

Stuck on a hard Sudoku puzzle? Want to learn advanced techniques? "Sudoku Hint" is your Sudoku solver, OCR scanner, and logic coach in one app. Scan puzzles from newspapers, books, screenshots, or printouts and get step-by-step logical hints, not just the final answer. [Key Features] - Camera Scanner & OCR Solver Instantly scan Sudoku puzzles with your camera. No need to type numbers manually. Import screenshots from your gallery or capture puzzles from paper. - Logical Hints & Explanations Don't just get the answer—learn "why". Our advanced AI explains the logic behind every step, including techniques like Naked Singles, Hidden Singles, and more. Perfect for beginners improving their skills. - Weekly Puzzle & Leaderboard Take on the same beginner-to-intermediate Sudoku throughout the week and compare your score and time on the leaderboard. - Technique Practice Practice 12 solving techniques with practical next-move puzzles, technique-specific and mixed sessions, step-by-step hints, and detailed explanations. - Powerful Solve Tools - Assist Mode: Auto-fill candidates, highlight errors, and highlight related cells. - Note Mode: Take notes on candidates easily. - Answer Check: Verify your solution at any time. - User-Friendly Experience - Beautiful Dark Mode for comfortable night play. - Minimalist and clean interface. - Customizable themes and fonts. [Premium Features] Upgrade to remove ads and unlock unlimited hints and checks. [Perfect For] - Sudoku beginners wanting to improve. - Advanced players looking for a quick solver. - Daily brain training enthusiasts. Download now and master Sudoku logic!

Screenshots

Sudoku Institute4 screens
Sudoku Hint4 screens

Verdict

The call

The clearest difference is price: Sudoku Hint at Free against Sudoku Institute's $0.99. Sudoku Institute's advantage is ads (none vs shown) and chart position (#120 vs unranked). On update cadence, in-app purchases, 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

Sudoku Hint is free to download; Sudoku Institute costs $0.99 up front. Sudoku Institute sells 6 one-off in-app purchases and Sudoku Hint sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sudoku Institute ships an update every 10 days, Sudoku Hint every 8 days. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 8 level
Sudoku Institute versus Sudoku Hint: the parameters behind the verdict, then further details
ParameterSudoku InstituteSudoku Hint
Price$0.99Free — better
Rating3.9 (14 ratings) — better
Positive reviews58.3% of reviews
Number of ratings14 — better
Update frequencyEvery 10 daysEvery 8 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationPaid
Best chart rank#120 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size6 MB139 MB
Age rating4+4+
Developer大胜 纪TakeKApp

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
3 purchases

Sudoku Hint

Subscriptions2
  • Premium Monthly Plan1 Month trial$1.991 Month
  • Premium Annual Plan$19.991 Year
One-time1
  • Video Ad Skip Ticket$0.99

Questions

Is Sudoku Institute free?
Sudoku Institute costs $0.99, and also offers in-app purchases.
Is Sudoku Hint free?
Sudoku Hint is free to download, with in-app purchases available.
Do Sudoku Institute or Sudoku Hint have ads?
Sudoku Hint shows ads; Sudoku Institute does not.
Which is updated more often, Sudoku Institute or Sudoku Hint?
Sudoku Institute ships an update every 10 days, and Sudoku Hint every 8 days. Most recently, Sudoku Institute was updated on September 18, 2026 and Sudoku Hint on September 23, 2026.

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