Irrationals vs Sequence Master Challenge
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Irrationals
Challenge your math skills by estimating irrational numbers using guided formulas. Earn certificates for your achievements and share them with friends.
- Estimate irrational numbers
- Guided math formulas
- Earn certificates
- Share achievements
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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!
Sequence Master Challenge
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Irrationals | Sequence Master Challenge |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Daily — better | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 54 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Saeed Rahmatolahi | HAKON FOSEIDE |
In-app purchases
Irrationals
No in-app purchases
Sequence Master Challenge
No in-app purchases
Questions
Is Irrationals free?
Is Sequence Master Challenge free?
Do Irrationals or Sequence Master Challenge have ads?
Which is updated more often, Irrationals or Sequence Master Challenge?
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