Sudoku Kensei vs GridFlow
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoku Kensei
This app helps you understand and solve Sudoku puzzles with visual hints and advanced techniques. It offers features like a camera scanner for printed puzzles and smart candidate management. Customize your experience with various display options.
- Visual Sudoku technique finders
- Camera puzzle scanner
- Smart candidate management
- Advanced fish pattern finders (Pro)
- Customizable display and entry methods
- Save, export, and share puzzles (Pro)
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Sudoku Kensei is a powerful Sudoku game and teacher designed to help you understand and solve puzzles — not just fill in the boxes. SOLVE SMARTER WITH VISUAL FINDERS Turn on any finder and the board lights up with color-coded hints. Naked Singles, Hidden Singles, Box Exclusions, Naked Pairs, Triples, Quads, and more — each technique is highlighted so you can see the logic, not just the answer. Finders never solve for you; they show you where to look. ADVANCED FISH PATTERNS (PRO) Tackle the toughest grids with X-Wing, Swordfish, and Jellyfish finders. Each pattern is highlighted with color-coded cells and backgrounds. Select a digit on the keypad to isolate one fish at a time — perfect for studying and learning advanced technique. SCAN ANY PUZZLE Point your camera at a printed book, magazine, or on-screen puzzle, or scan from an existing photo or screen capture of a puzzle. Review recognized digits before solving, and correct any misreads with a tap. SMART CANDIDATE MANAGEMENT Show all pencil marks with one tap. Automatic candidate tracking eliminates impossible values as you solve. Pro users can convert naked singles one at a time or all at once with the built-in solvers. SAVE, EXPORT & SHARE Save in-progress games and pick up where you left off. Pro version includes ability to import and export any puzzle as a QR code to share with friends. MAKE IT YOURS Choose custom colors for your answers, scanned clues, candidates, and highlights. Adjust font sizes, pick cell-first or keypad-first entry, and configure display preferences to match how you like to work. FREE & PRO The free version includes 10 free puzzle scans, all basic finders through naked and hidden pairs, and candidate customization. Upgrade once to unlock: • Fishy pattern finders: X-Wing, Swordfish, Jellyfish • Advanced multiples: Triples, Quads, Quintets • Convert Next Singles and Convert All Singles solvers • Unlimited puzzle scans • Import/Export puzzles • Additional pro features (and more coming soon!)
GridFlow
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GridFlow is a clean, satisfying brain puzzle game where you connect numbered dots in order and fill every cell on the board. Start with a simple path, then think ahead as the grids get trickier. Every puzzle challenges your logic, planning, and speed. Features: • Daily Challenge to keep your streak alive • Free Play with multiple puzzle difficulties • Smart hints when you need a nudge • Speed ratings like Genius and Smart • Detailed stats for your best runs • Smooth, polished gameplay designed for quick sessions or longer puzzle streaks Whether you want a calm daily brain workout or a tougher logic challenge, GridFlow gives you a fresh way to train your mind every day. Free to download: play the Daily Challenge and Medium puzzles free. GridFlow Pro (one-time purchase) unlocks unlimited Free Play on every difficulty. Already bought GridFlow? You keep everything — tap Restore Purchases. Terms of Use: https://jetriseitsolutions.com/terms-of-use/ Privacy Policy: https://jetriseitsolutions.com/Privacy-Policy/
Screenshots
Verdict
The clearest difference is update cadence: Sudoku Kensei at monthly against GridFlow's every 3 months. On price, ads, 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
Both are free to download. Sudoku Kensei sells 1 one-off in-app purchase and GridFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Sudoku Kensei ships an update monthly, GridFlow every 3 months. Both last shipped on November 5, 2026.
| Parameter | Sudoku Kensei | GridFlow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | David Shapiro | JetRise IT Solutions LLC |
In-app purchases
Sudoku Kensei
- Pro Features$0.99
GridFlow
- GridFlow Pro – Lifetime Unlock$14.99
Questions
Is Sudoku Kensei free?
Is GridFlow free?
Do Sudoku Kensei or GridFlow have ads?
Which is updated more often, Sudoku Kensei or GridFlow?
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