Sudoktor vs Viva Sudoku
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sudoktor
This app assists in solving Sudoku puzzles, offering features to generate unlimited puzzles of varying difficulty, analyze existing ones, and provide detailed solving strategies. It allows manual puzzle entry and includes advanced tools for a deeper understanding of Sudoku mechanics.
- Generates unlimited Sudoku puzzles
- Rates puzzle difficulty
- Manual puzzle entry and copy-paste
- Automatic pencil mark updates
- Full Undo/Redo functionality
- Advanced analysis (candidates, subsets, chains)
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Sudoktor is a Sudoku solving assistant. It helps you to solve and understand Sudoku puzzles but it can also be used to create and solve unlimited Sudoku puzzles. See the support page for more details and screenshots. App's key features: - generates valid 9x9 sudoku puzzles of any choosen level (from easy to fiendish) - allows to rate objectively the difficulty of the current puzzle - allows to enter to enter standard 9x9 Sudokus manually or by copy-and-paste - offers an intuitive and quick entry method - shows or hides pencil marks, updates them automatically - full Undo/Redo feature - offers advanced analysis on demand: - candidates - wrong values - solution - subsets, grid analysis, forcing chains, almost locked subsets... - ability to save and to reopen the games
Viva Sudoku
Engage in Sudoku challenges tailored for all skill levels, from beginner to master. Features include an intelligent hint system, daily challenges, and detailed progress tracking to enhance logic and mathematical thinking.
- Multiple difficulty levels
- Intelligent hint system
- Daily challenges and achievements
- Detailed progress tracking
- Smart AI scanner
- Auto-save and resume
- Note-taking system
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Welcome to Viva Sudoku - Your Ultimate Brain Training Partner! Experience engaging Sudoku challenges designed for all skill levels! WHY CHOOSE VIVA SUDOKU: Multiple Difficulty Levels from Beginner to Master Intelligent Hint System for Learning Beautiful Interface with Dark Mode Daily Challenges & Achievements Detailed Progress Tracking Smart AI Scanner for Solutions PERFECT FOR: Daily Brain Exercise Logic Skill Enhancement Relaxing Entertainment Mathematical Thinking Whether you're a beginner or Sudoku master, discover your perfect challenge level! FEATURES: Auto-Save & Resume Progress Statistics Error Checking Note-Taking System Multiple Theme Options Cloud Sync Start your Sudoku journey today - Train your brain while having fun!
Screenshots
Verdict
The clearest difference is review sentiment: Viva Sudoku at 100% against Sudoktor's 50%. Viva Sudoku also leads on price (Free vs $0.99) and rating (5.0 vs 3.0). Sudoktor's advantage is chart position (#189 vs unranked) and ratings volume (6 vs 1). On 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
Viva Sudoku is free to download; Sudoktor costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Viva Sudoku holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Sudoktor has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Sudoktor's written reviews are positive against 100% of Viva Sudoku's.
Sudoktor ships an update every 36 months, Viva Sudoku weekly. The most recent releases landed on September 1, 2026 and June 11, 2026 respectively.
| Parameter | Sudoktor | Viva Sudoku |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.0 (6 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 36 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #189 — better | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 16 |
| Further details — not scored | ||
| Size | 2 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | TablEdit | VivaThinking Technology Co., Limited |
Customer experience
Sudoktor
Viva Sudoku
In-app purchases
Sudoktor
No in-app purchases
Viva Sudoku
No in-app purchases
Questions
Is Sudoktor free?
Is Viva Sudoku free?
Which has better reviews, Sudoktor or Viva Sudoku?
Do Sudoktor or Viva Sudoku have ads?
Which is updated more often, Sudoktor or Viva Sudoku?
Other comparisons
