Comparison

Quantum Lab vs Sudoku Sync

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

Head to head
About

Quantum Lab

This app offers advanced energetic sessions designed to help users overcome limitations, broaden their perspectives, and align with their higher purpose. It provides tools for self-realization and making a greater impact.

Highlights
  • Advanced energetic sessions
  • Shift limiting patterns
  • Expand vision and energetic structure
  • Align with higher path
  • Progress tracking
  • Offline sync
Features
Read full description

We provide advanced energetic sessions that help you shift limiting patterns, expand your vision and your energetic structure so you can align with your higher path of self-realization and make a greater impact in the world. INFORMATION ABOUT THE APP AND PURCHASE OPTIONS By signing up, you will get access to subscription(s) that include features such as progress tracking, and offline sync. The download of Quantum Lab is free of charge. No free trial offered. Should you use Quantum Lab app to access in-app content via available subscription(s), a payment will be charged to your credit card through your App Store account . A subscription renews automatically unless canceled at least 24 hours prior to the end of the subscription period. There is no increase in price when renewing. Subscription(s) can be managed and auto-renewal turned off in Account Settings in the App Store after purchase. Read our full Terms of Service and our Privacy Policy: https://passion.io/terms-of-service https://passion.io/privacy-policy

About

Sudoku Sync

Features
Read full description

Sudoku Sync - a free, smooth, and feature-rich Sudoku app for every skill level! Whether you're just starting out or already a Sudoku master, Sudoku Sync delivers a complete puzzle experience with thousands of boards, a clean interface, and smart assist tools. KEY FEATURES • 4 difficulty levels: Easy, Medium, Hard, Expert • Classic & Basic modes – pick the play style that suits you • Daily Challenge – a fresh puzzle every day to build your habit • Events & Adventures – complete stages to earn unique medals • Monthly Cups – collect achievements throughout the year • Global Leaderboard – compete with players from around the world • Detailed Statistics – track time, score, win rate, and progress • Smart Hints – get help when you're stuck • Notes Mode – mark candidate numbers in empty cells • Highlight same numbers & 3×3 regions – easier to spot patterns • Share Your Results – send Sudoku screenshots to friends • Progress Sync – continue playing across multiple devices • Personal Profile – customize your name, avatar, and country • Sound & Haptic Effects – fully customizable • Step-by-step Tutorial – perfect for beginners • Vietnamese & English supported WHY SUDOKU SYNC? Sudoku Sync is built to relax your mind while sharpening your logic. There's a new challenge every day, a new medal every month, and a leaderboard to show how far you've come. Download Sudoku Sync and start your journey to becoming a Sudoku master! Sudoku Sync is free with light ads. Some features may require an internet connection.

Screenshots

Quantum Lab4 screens
Sudoku Sync4 screens

Verdict

The call

The clearest difference is in-app purchases: Sudoku Sync at none against Quantum Lab's 4. Sudoku Sync also leads on update cadence (every 10 days vs every 3 weeks). On price, ads, 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

Both are free to download. Quantum Lab sells 4 in-app purchases, starting at $29.00 per month. Sudoku Sync asks for nothing beyond the download.

UpkeepUpdate frequency

Quantum Lab ships an update every 3 weeks, Sudoku Sync every 10 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Quantum Lab versus Sudoku Sync: the parameters behind the verdict, then further details
ParameterQuantum LabSudoku Sync
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 weeksEvery 10 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size89 MB78 MB
Age rating17+4+
DeveloperFrederic HoffmannBon Nguyen

In-app purchases

4 purchases

Quantum Lab

Subscriptions4
  • SEEKER$29.001 Month
  • QUANTUM LAB MONTHLY APL$67.001 Month
  • QUANTUM LAB | MONTHLY$99.001 Month
Show 1 more
  • QUANTUM LAB | YEARLY APL$349.001 Year
None

Sudoku Sync

No in-app purchases

Questions

Is Quantum Lab free?
Quantum Lab is free to download, with in-app purchases available.
Is Sudoku Sync free?
Sudoku Sync is free to download, with no in-app purchases.
Do Quantum Lab or Sudoku Sync have ads?
Both Quantum Lab and Sudoku Sync show ads.
Which is updated more often, Quantum Lab or Sudoku Sync?
Quantum Lab ships an update every 3 weeks, and Sudoku Sync every 10 days. Most recently, Quantum Lab was updated on October 2, 2026 and Sudoku Sync on October 7, 2026.

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