Comparison

SM BrainyIQ vs Sudoku Flow

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

Head to head
About

SM BrainyIQ

Features
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BrainyIQ is a free visual IQ test based on logic patterns and abstract reasoning. Challenge your brain with 54 progressively difficult puzzles designed to measure your nonverbal intelligence. NO LANGUAGE OR MATH REQUIRED Unlike traditional IQ tests, BrainyIQ uses only visual patterns. This means anyone can take the test regardless of their native language or education level. Pure logical thinking is all you need. HOW IT WORKS • Complete 54 visual pattern puzzles within 40 minutes • Questions get progressively harder as you advance • Your IQ score is calculated automatically based on your performance • Share your results with friends and challenge them KEY FEATURES • Free IQ test — no hidden fees or paywalls • Nonverbal reasoning — fair for all languages and cultures • Instant IQ score with detailed classification • Test history — retake the test and track your progress over time • Answer review — learn from your mistakes after each test • Progressive difficulty — from easy warm-up to genius-level challenges • Available in 10 languages TRAIN YOUR BRAIN Use BrainyIQ as a brain training tool. Regular practice with pattern recognition and abstract reasoning puzzles can help sharpen your cognitive skills, improve problem-solving abilities, and boost your mental agility. WHO IS IT FOR? • Puzzle enthusiasts who love brain teasers and logic challenges • Students preparing for aptitude tests and cognitive assessments • Anyone curious about their IQ score • Brain training fans looking for a quick cognitive workout • People who want to challenge friends and compare scores BrainyIQ evaluates your fluid intelligence — your ability to identify patterns, think logically, and solve novel problems. This is widely considered the most reliable measure of general cognitive ability. Disclaimer: This app is for entertainment and cognitive training purposes. It does not provide a clinically validated IQ score.

About

Sudoku Flow

Enjoy classic Sudoku puzzles without any advertisements or data tracking. Solve grids at your own pace with a clean, focused interface. Support an independent studio with a one-time purchase to unlock all content.

Highlights
  • No ads, ever
  • No data tracking
  • Solve at your own pace
  • Mistake highlighting toggle
  • Hint system
  • Multiple difficulty levels
  • One-time purchase unlocks
Features
Read full description

Sudoku Flow is pure sudoku — free to start, ad-free, thought-provoking and calming. A minimal board, a number puzzle with nothing between you and the logic. Optimized for iPad and iPhone Duo. Just you, the grid, and the quiet pleasure of thinking clearly. DEEP GAMEPLAY Over 250 puzzles, each solvable, and with increasing difficulty. Hints to help you if you get stuck. Six difficulty packs run from Starter to Master. A NEW PUZZLE EVERY DAY Come back for a free daily sudoku. Keep a streak going if you like — it's a quiet counter, never a guilt trip. BEAUTIFUL ON iPAD A layout built for the big screen: the board and controls sit in one comfortable centered column, in portrait or landscape, and the grid scales beautifully to iPad. The same calm game, with more room to think. WHY SUDOKU FLOW - Comfortable input with pencil-mark notes. - Hints that teach the method — "this row forces a 7" — rather than giving away the answer. - Technique-based grading, so every puzzle is rated by the thinking it asks of you. - The first puzzles and the daily puzzle are free. - Plays offline, wherever your day takes you. WHAT WE BELIEVE - No ads, ever. - Privacy-first. No data monetization. - Exercising your mind through puzzles is fun. - From a studio of puzzle aficionados who believe games should be worth your time. PART OF THE PUZZLE MASTER COLLECTION Sudoku Flow is part of the Puzzle Master Collection, our growing family of calm, ad-free puzzle games. Get the free Puzzle Master Collection bundle on the App Store in one download, and the More Games screen will introduce you to the rest. When you want more, a one-time purchase unlocks the full game for good — or choose the optional Puzzle Master Pass. In your language — fully localized in English, Spanish, French, German, Italian, Portuguese, Japanese, Korean, Simplified and Traditional Chinese, Hindi, and Arabic. SUBSCRIPTION INFORMATION Puzzle Master Pass (optional auto-renewable subscription): available monthly or annually — the exact price for your region is shown at purchase. Unlocks the full versions of the Puzzle Master games while active. Renews automatically unless canceled at least 24 hours before the end of the current period; manage or cancel any time in your Account settings. Restore Purchases is available on the store screen. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://jcy.studio/privacy

Screenshots

SM BrainyIQ4 screens
Sudoku Flow4 screens

Verdict

The call

The clearest difference is in-app purchases: SM BrainyIQ at none against Sudoku Flow's 4. SM BrainyIQ also leads on iOS requirement (15.1 vs 17.0). Sudoku Flow's advantage is ads (none vs shown) and update cadence (every 8 days vs every 8 months). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sudoku Flow sells 4 in-app purchases, starting at $1.99 per 7 days. SM BrainyIQ asks for nothing beyond the download.

UpkeepUpdate frequency

SM BrainyIQ ships an update every 8 months, Sudoku Flow every 8 days. Both last shipped on October 25, 2026.

Scorecard4 real differences · 5 level
SM BrainyIQ versus Sudoku Flow: the parameters behind the verdict, then further details
ParameterSM BrainyIQSudoku Flow
PriceFreeFree
Rating—4.5 (4 ratings) — better
Number of ratings—4 — better
Update frequencyEvery 8 monthsEvery 8 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size48 MB12 MB
Age rating4+4+
DeveloperSOMMER Media s.r.o.JCY Advisors

In-app purchases

None

SM BrainyIQ

No in-app purchases

4 purchases

Sudoku Flow

Subscriptions2
  • Puzzle Master Pass — Weekly$1.997 Days
  • Puzzle Master Pass — Yearly$49.991 Year
One-time2
  • All Packs$2.99
  • Puzzle Master$12.99

Questions

Is SM BrainyIQ free?
SM BrainyIQ is free to download, with no in-app purchases.
Is Sudoku Flow free?
Sudoku Flow is free to download, with in-app purchases available.
Do SM BrainyIQ or Sudoku Flow have ads?
SM BrainyIQ shows ads; Sudoku Flow does not.
Which is updated more often, SM BrainyIQ or Sudoku Flow?
SM BrainyIQ ships an update every 8 months, and Sudoku Flow every 8 days. Most recently, SM BrainyIQ was updated on October 25, 2026 and Sudoku Flow on October 25, 2026.

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