While I run, I think about
how to make your world more interesting.
TH Quest
Operator Information
Operator
TH Quest
Location
Shinjuku 1-36-2, Shinjuku 7th Hayama Bldg. 3F, Shinjuku-ku, Tokyo 160-0022, Japan
Business Type
Sole Proprietor (TH Quest)
Our Approach
Be simple
Keep things as simple as possible while conveying the essence.
Keep on Running
Building long-term relationships through continuous service delivery.
Driven by Ideas
Ideas are the greatest value, and we continue to provide them.
Our Products
OtoTheory — Music Theory × Guitar App
An app that lets you see, touch, and hear guitar chords, scales, and music theory.
- Automatic chord progression loops
- Diatonic / Scale analysis
- Chord dictionary (Forms / Notes / Degrees)
- Substitute chords
- MIDI/audio export & Sound Palette (iOS Pro)
- Web version (Free) for learning & composition support
🚀Coming Soon
Aidrian — AI Running Coach (Under Development)
An app where AI proposes the "optimal menu for today" from your sleep / heart rate / fatigue / past training / target race.
- Wearable data analysis
- AI dialogue about daily condition and mood
- Menu re-proposal based on time constraints and fatigue
- Race planning (10K to 100K)
- Mental assist to reduce psychological load (planned)
Born from the developer's own experience running a 100km trail race.
FlasSay — Instant English Composition App (Under Development)
An app focused on instant English composition to improve business professionals' English speaking skills.
- Speak your thoughts instantly in English
- Smooth, comfortable operation
- Practical training focused on daily scenes
- Efficient learning in spare time
From "understanding" to "speaking instantly."
Services
Web Marketing / Development
- •Web site design
- •SEO strategy
- •Web advertising consulting / management
- •Landing page consulting / management
- •Copywriting / content creation
- •Marketing consulting
AI & Business Efficiency Consulting
- •AI implementation support
- •Workflow design & improvement
Get in Touch
For questions, collaborations, or business inquiries: