Brain.fm records 2,188,538 monthly visits with -10.4% month-over-month growth and Free Trial, Paid pricing. SBTI Personality Test records 0 monthly visits with — growth and Freemium pricing.

A 15-dimension, 27-type personality quiz built as a playful MBTI alternative
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | brain.fm | sbti.fast |
| Pricing Model | Free Trial, Paid | Freemium |
| Monthly Visits | 2.19M (2,188,538) | 0 (0) |
| MoM Traffic Delta | -252.96K (-10.4%) | 0 (—) |
| Primary Market & Share | 🇺🇸 United States (50%) | 🌐 Global (—) |
| Direct Visits / mo | 1.51M | 0 |
| User Rating | 4.2 | 4 |
| Supported Platforms | Website | Website |

Neuroscience-backed functional music for focus, sleep, and relaxation
Activity-based music and soundscapes for Deep Work, Creativity, Learning, Motivation, sleep, and relaxation, plus guided meditation and sleep sessions.
Patented audio modulation designed to enhance and synchronize brainwave activity, with adjustable neural effect levels you can dial up or down.
Higher-stimulation music designed for attention difficulties, backed by research supported in part by a National Science Foundation grant.
Infinite count-up timers, countdown timers, and interval timers that adapt to focus and break sessions.

A 15-dimension, 27-type personality quiz built as a playful MBTI alternative
Scores you on self-perception, emotional patterns, attitudes, action drive and social style rather than four binary letters.
A pattern-distance algorithm returns your closest type plus a match percentage and the number of dimensions hit.
A special question in the quiz can unlock a secret result for people who trigger it.
31 three-option questions written in everyday, humourous language instead of formal psychometric phrasing.
SpecialistProvides guided meditations and sleep stories for mental wellness, but offers less continuous instrumental focus music.
SpecialistProvides guided meditations and sleep stories for mental wellness, but offers less continuous instrumental focus music.

Free psychological tests with an AI mental coach who explains your results
Free psychological tests with an AI mental coach who explains your results

Adaptive online exam prep that adapts to how you learn
Adaptive online exam prep that adapts to how you learn

A 24/7 AI mental health companion that remembers your story
A 24/7 AI mental health companion that remembers your story
SpecialistAllows customizing instrumental background tracks and loops, but focuses on media production rather than cognitive enhancement.
SpecialistAllows customizing instrumental background tracks and loops, but focuses on media production rather than cognitive enhancement.

SpecialistCreates royalty-free background music for videos, but lacks specialized sound engineering designed for deep work concentration.
SpecialistCreates royalty-free background music for videos, but lacks specialized sound engineering designed for deep work concentration.
SpecialistGenerates custom ambient audio and instrumentals from text prompts, but lacks structured focus and sleep playlists.
SpecialistGenerates custom ambient audio and instrumentals from text prompts, but lacks structured focus and sleep playlists.
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An AI journaling companion that listens, responds, and remembers your story
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Chat-based AI wellness support, built to make mental health care radically accessible.
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