Developer

Serhii Kucherenko

1 app in Productivity. Listed here since October 2026. Browse every developer.

helicon.pages.dev

Helicon: PDF & EPUB Reader
Serhii Kucherenko
Added today
Helicon is a reader for the non-fiction you want to keep. Open a PDF or an EPUB, pin notes in the margin, and meet what mattered again a few days later. Helicon is free. Every feature, every pin. No account, no ads, no tracker. NOTES IN THE MARGIN Long press the margin to pin a note beside the line it is about. Type in it, draw in it with Apple Pencil or a finger, add a photo, or record your…
Productivity

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Serhii Kucherenko

Helicon: PDF & EPUB Reader