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v4.0 — AI NEURO-ADAPTIVE ENGINE LIVE

Expand your brain capacity beyond limits

NeuroSize decodes your attention, memory and energy. 12 minutes a day with adaptive neuro-games, EEG feedback, sleep & focus protocols. Built with neuroscientists. Loved by 480,000+ high-performers.

Start Free Trial → ▶ How it works
0K+ active brains
0%Avg. focus gain
0+Studies backed
Brain neuro scan visualization
+27%
memory recall
after 21 days
⚡ 98 focus score
deep work • 2h 14m
● LIVE EEG • ALPHA 11.2Hz • FLOW STATE
NEUROPLASTICITY ✦ DEEP FOCUS ✦ MEMORY PALACE ✦ FLOW STATE ✦ SLEEP OPTIMIZATION ✦ EEG FEEDBACK ✦ COGNITIVE RESERVE ✦ NEUROPLASTICITY ✦ DEEP FOCUS ✦ MEMORY PALACE ✦ FLOW STATE ✦ NEUROPLASTICITY ✦ DEEP FOCUS ✦ MEMORY PALACE ✦ FLOW STATE ✦ SLEEP OPTIMIZATION ✦ EEG FEEDBACK ✦ COGNITIVE RESERVE ✦ NEUROPLASTICITY ✦ DEEP FOCUS ✦ MEMORY PALACE ✦ FLOW STATE ✦
// 01 — ABOUT NEUROSIZE

Your brain is not fixed. It's trainable.

We started NeuroSize in 2021 with one obsession: why do some people learn 10x faster, focus for hours and remember everything? Answer: trainable neural networks. We turned lab-grade neuroscience into a daily 12-minute ritual.

Neuroscience laboratory brain research
Founder
Dr. Elias Voss, PhD Neuroscience
Founder — ex Stanford Brain Lab. 20+ papers on attention & memory. Our mission: make cognitive enhancement accessible, measurable, fun.

FROM LAB COATS TO YOUR POCKET

NeuroSize combines dual n-back, neurofeedback, HRV breathing, spaced repetition and sleep architecture tuning. Our AI maps 7 cognitive domains and builds a hyper-personal growth curve. No pseudoscience. Only measurable gains validated by Cambridge Brain Sciences tests.

✓
Adaptive difficulty AI
Every session recalibrates to your edge — never too easy, never overwhelming.
✓
EEG + wearable ready
Sync Apple Watch, Oura, Muse, Emotiv for live alpha/theta flow tracking.
✓
Clinically inspired protocols
Based on 140+ peer-reviewed studies. Tested on 12,000 beta users.
✓
12 min/day, real life results
Students, founders, athletes, creators — better recall, faster decisions, calm focus.
Explore Science480k stories
0K+
ACTIVE USERS
0%
FOCUS IMPROVEMENT
0%
MEMORY BOOST
0%
STICK AFTER 30 DAYS
// 02 — SUPERPOWERS

Seven domains. One bigger mind.

Stop doing generic puzzles. NeuroSize trains the exact circuits that matter for work, study and creativity.

01Focus and attention training

⚡ Hyper-Focus Engine

Stroop, dual-task and sustained attention drills extend deep work from 25 to 120 minutes. Distraction shield included.

02Memory palace training

🧠 Working Memory+

Adaptive dual n-back and memory palace quests grow fluid intelligence and recall by 27% in 3 weeks.

03AI neuro coach

🤖 AI Neuro-Coach SIZI

Your personal LLM trained on neuroscience coaches you daily, plans sessions, explains your brainwaves in plain English.

04Sleep and recovery

🌙 Sleep Architecture

Slow-wave audio, NSDR and circadian light protocols. Wake up with +41% morning clarity.

05Neurofeedback headset

〰️ Live Neurofeedback

Connect Muse or Emotiv. See alpha/theta in real time, learn to enter flow on demand like elite meditators.

06Speed reading and processing

🚀 Processing Speed

Tachistoscopic training, speed reading and decision drills. Think faster under pressure, ace exams and pitches.

// 03 — HOW IT WORKS

Lab-grade tech, zero lab coat

NeuroSize app brain analytics dashboard
1
SCAN — 3-min Brain Baseline
Play 5 mini-games. We map focus, memory, speed, flexibility, calm. Get your BrainSize Index (BSI 0-1000).
2
TRAIN — 12-min Adaptive Sprints
Daily stack: 4 min focus + 4 min memory + 4 min calm. AI pushes you 4% beyond comfort — the neuroplasticity sweet spot.
3
SYNC — Body + Sleep Loop
HRV breathing, sleep scores and caffeine windows auto-adjust tomorrow's training. Brain + body as one system.
4
GROW — See Brain Expand
Weekly BSI report, Cambridge-validated tests, streaks, leagues. Watch hippocampus-driven gains compound.
Get My Brain Map — Free
// 04 — INSIDE THE APP

Designed to feel like a game. Built like a lab.

Mobile brain training

Daily Quest

Gamified streaks, XP, boss battles against forgetting curve.

Cognitive analytics

Brain Dashboard

7 domains, BSI curve, flow hours, recovery balance.

Meditation focus

Calm Protocols

Box breathing, NSDR, 40Hz gamma light + sound journeys.

Team learning

Teams & Schools

Leaderboards for companies, classes, esports teams.

// 05 — WALL OF LOVE

480,000 bigger brains can't be wrong

★★★★★

"My deep work went from 40 min to 2.5 hours. I shipped my startup MVP in 3 weeks. NeuroSize is like gym for attention."

User review
Maya Chen
Product Designer, Berlin
★★★★★

"Passed bar exam on first try. Memory palace module is insane — I recalled 300 cases with loci method. BSI 412 → 689."

User review
James Okafor
Law Student, London
★★★★★

"As a pro Valorant player, reaction + decision drills gave me +18% clutch rate. Coach thinks I got a new PC. No, new brain."

User review
Leo Martins
Esports Pro, São Paulo
// 06 — PRICING

Cheaper than coffee. Bigger than MBA.

Start free. Upgrade when your brain begs for more. Cancel anytime in 2 taps.

STARTER

For curious minds

$0
  • 3-min brain baseline test
  • 5 starter neuro-games
  • Daily focus timer
  • Community league
Start Free

⚡ PRO BRAIN

Most popular • 7-day free

$12/mo
  • Full 47-game library + AI adaptation
  • SIZI AI coach + weekly BSI report
  • EEG + Oura / Watch integration
  • Sleep + NSDR + memory palace
  • Offline mode + priority support
Claim 7 Days Free

TEAMS / LABS

For companies & schools

$49/mo
  • 10 seats + admin dashboard
  • Attention analytics & burnout alerts
  • Custom protocols & API
  • Onboarding with neuroscientist
Talk to Us
// 07 — NEURO-WIRE / LATEST RESEARCH

Fresh from the lab

Protocols, breakthroughs, brain hacks — translated from papers to practice by our science team.

Neuroplasticity
Editorial • NeuroSize Lab

How 12 minutes of dual n-back rewires working memory

New meta-analysis shows adaptive training grows fluid intelligence when done at the edge of ability...

Coming soon →
Sleep
Editorial • Sleep

Slow-wave sleep: the overnight memory save button

Why 90-minute cycles, temperature and 40Hz sound matter more than 8 hours...

Coming soon →
Focus
Editorial • Focus

Flow state on demand: alpha-theta bridge protocol

Breathwork + neurofeedback routine used by elite creators to drop into flow in 7 minutes...

Coming soon →
// 08 — FAQ

Questions? Brain answers.

What is NeuroSize exactly? +
An adaptive brain-performance app: 47 neuro-games, AI coaching, EEG feedback, sleep and focus protocols. 12 minutes a day to grow focus, memory, speed and calm.
Is there real science behind it? +
Yes. Dual n-back, spaced repetition, HRV training, sleep hygiene and neurofeedback are backed by 140+ studies. We publish our methods and use Cambridge Brain Sciences validation.
Do I need an EEG headset? +
No. Phone-only works great. If you have Muse, Emotiv, Apple Watch or Oura — connect for live flow scores and deeper personalization.
How fast will I feel results? +
Focus clarity in 7-10 days, memory gains in 3-4 weeks, BSI +120 points average in 60 days with daily 12-min sessions.
Is it good for ADHD, students, seniors? +
Students love exam protocols, professionals love deep-work sprints, seniors love cognitive reserve maintenance. Not a medical treatment — but a powerful training tool. Consult your doctor if needed.

Ready to get a bigger brain?

Join 480,000+ minds. Free baseline test • No card • 2-min setup

Measure My BSI FreeRead Our Story

★★★★★ 4.9 — 38k reviews • Editors' Choice • Featured in TechCrunch, Wired, FastCompany

// 09 — CONTACT

Talk to the lab

Partnerships, schools, enterprise, press — we reply within 24h.

[email protected]
San Francisco • Berlin • Tokyo

NeuroSize team
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