Not Evil Sudoku vs Scratch Inc.
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Not Evil Sudoku
Enjoy a distraction-free Sudoku experience with helpful features like hints and real-time validation. Track your progress, compete globally, and customize the app with themes. Play daily puzzles for free or upgrade for unlimited games and advanced statistics.
- Fully offline play
- No ads or distractions
- Real-time move validation
- Shake for hints
- Daily puzzles with leaderboards
- Customizable themes and icons
- Notes and auto-clear notes
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A joyful sudoku-solving experience built natively for iPhone and iPad and optimized for a zen solving experience free from bloat and distraction. Designed to be easy to play and meet you where ever you are in your sudoku journey: a casual solver or a sudoku pro. Stuck on a puzzle? Shake your phone for hints and turn on move by move validation in settings to get immediate feedback on your solve. Tickle your brain as you learn new solving strategies and customize the app to your taste with themes and alternate app icons. Play a daily puzzle at a difficulty of your choice and see where you stack up with players across the globe. Or just turn off the stopwatch and relax. Key features: - Fully offline: no internet required - No ads or distractions - Real-time move validation to get immediate feedback - Shake for a hint on the next logical move - Leaderboards with assist tracking - Easy, Medium, and Hard difficulty levels - Light/Dark mode - Stopwatch and best time tracking - Notes: Keep track of candidates - Auto-clear Notes: removes candidate numbers automatically in row, column, and box when they become outdated - Speed demon: Lock numbers and place them in multiple tiles at once - Arithmophobia: Sudoku with letters instead of numbers - Daily streak tracking - Daily reminder notifications - Highlighter: tap a number to highlight all its instances on the board - Themes to customize the interface (some require Pro) - Alternate app icons (Pro) - Charts and statistics (Pro): track solve speed over time and puzzle count by difficulty Play the daily puzzle at your preferred difficulty for free without any limits on assists or game features. Upgrade to Pro with a one-time purchase to unlock unlimited games, detailed stats, more themes, and alternate app icons. Pro supports Family Sharing.
Scratch Inc.
An idle incremental game where you build an empire by scratching cards and earning points. Upgrade your cards, unlock automation, and prestige to progress faster. Enjoy endless upgrades, achievements, and global leaderboards with no ads or wait timers.
- Endless Upgrades
- Prestige for Progress
- Achievements with Rewards
- Global Leaderboards
- Playable Offline
- No Ads
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Build an Empire, From Scratch Scratch cards, earn points, and grow your empire in this idle/incremental game. Upgrade your cards, unlock automation, prestige across industries, and climb the leaderboards — all with no ads, ever. • Endless Upgrades – Boost your point gain, match multipliers, grid size, and so much more. • Prestige for Progress – Reset to climb faster across deep progression layers. • Achievements with Rewards – Earn Gold and multipliers by completing fun challenges. • Global Leaderboards – Compete with others across the world across a variety of challenges. • Playable Offline – Play anywhere anytime • No Ads. No Wait Timers. Just Progress and Big Numbers. Made by a solo dev. Built to respect your time. (A reimagining of my first game)
Screenshots
Verdict
Not Evil Sudoku and Scratch Inc. both sit at 4.6 stars, but that hides the real split: 93% of Scratch Inc.'s written reviews are positive against 75% of Not Evil Sudoku's. Not Evil Sudoku's advantage is device support (3 vs 1). On price, rating, ratings volume and update cadence 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. Not Evil Sudoku sells 1 one-off in-app purchase and Scratch Inc. sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.6 for Not Evil Sudoku against 4.7 for Scratch Inc.. Both are backed by a comparable volume of ratings — 1.1K and 1.9K respectively. Written reviews are what separate them: 75% of Not Evil Sudoku's written reviews are positive against 93% of Scratch Inc.'s.
Not Evil Sudoku ships an update every 9 days, Scratch Inc. every 6 days. Both last shipped on October 30, 2026.
| Parameter | Not Evil Sudoku | Scratch Inc. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (1.1K ratings) | 4.7 (1.9K ratings) — better |
| Positive reviews | 74.7% of reviews | 93.3% of reviews — better |
| Number of ratings | 1.1K | 1.9K — better |
| Update frequency | Every 9 days | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15 — better | 16.0 |
| Further details — not scored | ||
| Size | 23 MB | 40 MB |
| Age rating | 4+ | 12+ |
| Developer | Ashish Selvaraj | Makopaz LLC |
Customer experience
Not Evil Sudoku
Scratch Inc.
User reviews
Not Evil Sudoku
From 1.1K App Store ratingsWhat we love
- 🚀 Clean, minimalistic design
- 🔒 No ads or tracking
- 👍 Customizable features
- 👍 Good puzzle difficulty
- 👍 Helpful community
Room to improve
- 🐛 Disappearing numbers glitch
- 🐛 App icon doesn't change for dark mode
- ⏱️ Limit of one game per day on free version
- 💰 Paid version considered expensive by some
Scratch Inc.
From 1.9K App Store ratingsWhat we love
- 👍 Enjoyable gameplay
- 🚀 Satisfying idle mechanics
- 💡 Active developer listening to feedback
- 👍 Optional in-app purchases
- 👍 Polished interface
Room to improve
- 💰 In-app purchases feel expensive
- 🔧 Needs more balance and content
- 🐛 Offline rewards not working consistently
Bugs and requests
Not Evil Sudoku
Reported bugs
2 issues- Disappearing numbers when closing the app
- Numbers swapping to incorrect spots
Requested features
6 requests- Add auto-clear notes option without move validation
- Provide more theme color options
- Implement a 'warm' mode similar to other sudoku apps
- Add ability to remove notes after number is placed
- Highlight all instances of a number in the puzzle
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- Remove a number as a choice when it has been placed successfully
Scratch Inc.
Reported bugs
2 issues- Offline rewards rarely triggering
- Lacking sound effects
Requested features
2 requests- More skin tone options for avatar
- Better variety and more offline rewards
In-app purchases
Not Evil Sudoku
- Pro$4.99
Scratch Inc.
- 20 Gold$1.99
- 55 Gold$4.99
- 120 Gold$9.99
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- 260 Gold$19.99
- 750 Gold$49.99








