DELAI · SIGNAL
Turn anything into a clear,
narrated read.
Paste a thought, drop a link, upload a file, or record a voice note. Signal turns it into a sharp, narrated piece — then helps you actually learn it and remembers what matters to you.
Your second brain, that talks back.
Free to start · no credit card
Capture anything
However the idea shows up, Signal understands it.
No forms, no formats to pick. Type, paste, link, upload, or speak — Signal infers what you mean and gets to work.
- →A topic
- →A question
- →A link
- →A PDF
- →A screenshot
- →A voice note
- →A YouTube video
- →Your notes
One clear, narrated piece — every time.
What you get
Capture
Turn anything into a clear, narrated read.
Drop in a thought, a link, a PDF, a screenshot, or a voice note. Signal reads it, structures it, and hands you a sharp written piece — with studio-quality narration you can listen to anywhere.
Learn
Actually learn it — by doing.
Every topic becomes an interactive micro-lesson: short challenges, instant feedback, and the why behind each answer. Build a roadmap and level up, one focused session at a time.
Remember
A library that remembers what matters to you.
Everything you make is saved, searchable, and connected. Signal learns what you care about and gets sharper every time you use it — your own second brain, that talks back.
Pricing
Start free. Go unlimited when you're hooked.
Free
$0
Everything you need to start.
- ·10 pieces / month
- ·3 narrations / month
- ·10 follow-up chats / month
- ·1 learning roadmap / month
Signal Pro
Save 30%$49.99 / year
or $5.99 / month · cancel anytime.
- ·Unlimited pieces
- ·Unlimited narration
- ·Unlimited follow-up chat
- ·Unlimited roadmaps & lessons
- ·Priority generation
No card to start. Upgrade in-app the moment you want unlimited.