Comparison

Irrationals vs Sequence Master Challenge

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

Head to head
About

Irrationals

Challenge your math skills by estimating irrational numbers using guided formulas. Earn certificates for your achievements and share them with friends.

Highlights
  • Estimate irrational numbers
  • Guided math formulas
  • Earn certificates
  • Share achievements
Features
Read full description

Now it's time to math challenge ! you can enter Irrational Numbers world in this game and try to estimate them with guide math formulas . if you game over you will get a Certificate that indicated you have estimated selected irrational numbers up to the numbers that you estimated and also you can share it with your friends . but the Luxury Certificate will be given to you only when you finished the estimating selected irrational number completely !!! Good Luck!

About

Sequence Master Challenge

Features
Read full description

Elevate your brainpower with Sequence Master — the comprehensive cognitive training and working memory app engineered to boost recall, focus, reflexes, and mental flexibility. Featuring 10 scientifically grounded training modes, Sequence Master adapts to your skill level while presenting an elegant dark forest aesthetic that makes daily brain training a joy. 10 DIVERSE GAME MODES • MEMORY MAZE [NEW IN 3.1]: A glowing path traces across the labyrinth and disappears. Memorize the route and navigate step-by-step to the exit! • STROOP ILLUSION: Tap the ink color while suppressing the reading reflex. A gold-standard neuropsychological challenge of inhibitory control. • CHIMPANZEE MEMORY TEST & AYUMU FLASH: Memorize numbers across the grid before they hide. Turn on Ayumu mode to test your photographic memory at 0.21-second speeds! • ADAPTIVE DUAL N-BACK: Track spatial locations and audio tones simultaneously. The adaptive engine automatically raises N as your accuracy exceeds 80%. • COLORS: Watch the grid flash and reproduce the sequence with precision. • NUMBERS: Numbered tiles appear briefly across the grid. Recall and tap them in ascending order. • REVERSE: Exercise executive memory by repeating sequences backwards. • SPEED: Pure reaction time — strike flashing targets before the timer runs out. • CONSTANTS (π, e, φ, √2): Memorize the decimals of mathematical constants with an interactive reference library and mistake heatmap. • 2-PLAYER SPLIT-SCREEN DUELS: Play on the same device! Challenge a friend across 5 head-to-head duel modes. COGNITIVE PROFILE & BRAIN AGE • 5-Axis Radar Chart analyzing Working Memory, Reaction Speed, Inhibitory Control, Precision, and Spatial Recall. • Estimated Brain Age calibrated against your scores across categories. • Cognitive Trends powered by Swift Charts to visualize long-term improvement. DAILY CHALLENGES & GAMIFICATION • Fresh daily challenge every day generated with a shared seed. • Monthly Badges (Bronze 7-day, Silver 15-day, Gold 25-day). • 26 unlockable achievements, XP progression, and player levels. • Streak freeze protection so you never lose your progress. SEAMLESS APPLE INTEGRATION & PRIVACY • Apple Game Center leaderboards and achievements. • iCloud Key-Value Sync across all your iOS devices. • Rich haptics and dynamic background music ducking. • Privacy-first: Zero data tracking, zero third-party ads, all data stays with you. ---

Screenshots

Irrationals4 screens
Sequence Master Challenge4 screens

Verdict

The call

The clearest difference is update cadence: Irrationals at daily against Sequence Master Challenge's every 4 days. Irrationals also leads on iOS requirement (10.0 vs 18.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Irrationals ships an update daily, Sequence Master Challenge every 4 days. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 8 level
Irrationals versus Sequence Master Challenge: the parameters behind the verdict, then further details
ParameterIrrationalsSequence Master Challenge
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyDaily — betterEvery 4 days
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 — better18.0
Further details — not scored
Size54 MB10 MB
Age rating4+4+
DeveloperSaeed RahmatolahiHAKON FOSEIDE

In-app purchases

None

Irrationals

No in-app purchases

None

Sequence Master Challenge

No in-app purchases

Questions

Is Irrationals free?
Irrationals is free to download, with no in-app purchases.
Is Sequence Master Challenge free?
Sequence Master Challenge is free to download, with no in-app purchases.
Do Irrationals or Sequence Master Challenge have ads?
Neither Irrationals nor Sequence Master Challenge shows ads.
Which is updated more often, Irrationals or Sequence Master Challenge?
Irrationals ships an update daily, and Sequence Master Challenge every 4 days. Most recently, Irrationals was updated on October 3, 2026 and Sequence Master Challenge on September 30, 2026.

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