Anyone can save what you wrote. Nib Echo saves how you wrote it.

REPLAY THE ENTIRE PROCESS
Press play and watch the page rebuild itself — every stroke, every pause,
every correction, in the order it actually happened. Not a static image of
the answer, but the thinking that led to it. Speed it up to 2x, slow it to
0.5x, or drag the waveform straight to the moment you care about.

Perfect for lectures you want to revisit, tutoring you want to send home,
design reviews you want to justify, and problems you want to work through
again tomorrow.

STROKES, NOT PIXELS
Nib Echo doesn't record your screen. It records the motion of your pen as
data — which is why a full session stays a tiny file instead of a giant
video. Keep hundreds of them on your phone. Send one over chat without
waiting for an upload bar. Your whole notebook weighs less than a handful
of photos.

AN INFINITE CANVAS
Stop planning around page edges. Pan in any direction, zoom out to see the
whole idea, zoom in to work on one corner of it. Mind maps, system diagrams,
lesson plans and brainstorms get as much room as they need — and the replay
follows your camera, so viewers see exactly what you were looking at.

CAMERA, VOICE AND INK ON ONE TIMELINE
Record your face and your voice while you write. All three tracks stay
locked together, so the explanation always lands on the right stroke. Export
it as a finished MP4 and you have a full lesson — no editing software, no
second take.

PDF ANNOTATION
Drop in a PDF and mark it up page by page. Insert blank pages where you need
more room, reorder them, delete the ones you don't want, then export the
whole marked-up document back to PDF. Contracts, papers, sheet music,
homework — all in the same app as the rest of your notes.

EVERYTHING ELSE YOU'D EXPECT
Seven pens from fountain to marker to highlighter. Shapes, text and images
you can scale, rotate, mirror and crop. Stroke, area and full-page erasers.
Thirty page templates from plain grid to Cornell, staff, storyboard and
isometric. Folders, search and sorting to keep it all findable. Export to
MP4, PDF, PNG or audio.

Works fully offline. No account, no setup — open it and write.

NIB ECHO PRO
Unlock the infinite canvas, camera recording, the full template library and
extended recording length. Remove ads and export without a watermark.
Monthly, half-yearly and yearly plans, cancellable any time in Google Play.

Available in English, 简体中文, 繁體中文, 日本語, 한국어, Deutsch, Español,
Français, Italiano and Português (Brasil).

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