Bookwave Sync
50% off during beta
Apple Books: WIP beta

Read and listen in perfect sync.

Upload your EPUB and audiobook. We align narration to text and return one synced EPUB that works in Thorium and Colibrio today.
Apple Books export is currently WIP in beta. Sync now and lock in 50% off forever.

See how it works
Private by default Auto-delete in 24 hours Multi-file audio supported Quality guarantee
Now playing Chapter 1 00:45
She said the harbor lights would guide them home. The map was wrong, but the tide was kind.

Built for real readers

Thorium and Colibrio are production-ready today. Apple Books export is in active beta.

Bookwave apps are coming soon

iOS and Android apps are in progress with a dedicated audiobook + ebook player and richer sync controls.

The process

How it works

Three steps from files to a synced reading and listening experience.

1. Upload

Drop in your EPUB and audiobook files. We accept M4B, MP3, and M4A.

2. Align

We match narration to text, refine timestamps, and score quality.

3. Download

Get one synced EPUB ready for your reader.

Sync

Sync your book

Upload an EPUB and audiobook to create a synced EPUB for any device.

Upload files

Drop your EPUB + audiobook, we align and package the synced EPUB.

Drag and drop EPUB or click to browse

Drag and drop audio or click to browse

One-time payment. Includes 10 hours. Forever locked at Beta pricing ($3.75). Regular price $7.50 after Beta.

Readers

Works across your readers

Thorium and Colibrio are ready today. Apple Books export is currently WIP in beta.

Apple Books

WIP beta export for iOS and macOS while we finalize full playback parity.

Thorium Reader

Great EPUB3 support on Windows and macOS with Media Overlays.

Colibrio

Lightweight Android reader with solid overlay playback.

Pricing

Founding Member pricing

Paid-only syncs with a lifetime beta lock-in.

Founding Member Pricing

Lock in 50% off forever

$3.75 $7.50

Beta access only. When we launch publicly, pricing returns to $7.50. Beta users keep $3.75 for life.

  • One-time payment per book
  • First 10 hours included
  • $0.38 per extra hour after 10
  • Synced EPUB with read-along audio
Limited to first 1,000 syncs

How long is your audiobook?

Hours: 10 hrs
Your cost: $3.75 (Beta locked) vs $7.50 (Regular)
+ $0.38/hr after 10 hours included