apps / 6823855712
DuoFolio
Spread reader for iPhone Duo
俊杰 沈 · Book · $6.99 · US storefront
- rating
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- ratings
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- updated
- Oct 25, 2026
- released
- Oct 19, 2026
v1.0.2
visible word pool · 6 words
title 8/30 chars · subtitle 28/30 chars
App Store search indexes the title and subtitle together with the hidden 100-character keyword field as one combined pool: any phrase assembled from those words can rank. These are the words of DuoFolio's pool that are public — the keyword field is not exposed by any API.
from the listing
DuoFolio is an immersive reader built for iPhone Duo: one book per screen, true two-page spreads. A layout engine designed for the fold — unfold for a bound book, fold for a single flowing column. · Two-page spread: reads like a real book, separate left/right pages with a paper-feel gutter · Cover bookmark: close the phone and the outer display shows cover, title & progress — flip open to continue · Local-only: your EPUBs stay yours. No account, no upload, no tracking ·…
Where does it rank? Chart position is one signal — most installs come from keyword search. Check where DuoFolio ranks for any keyword, free, with the rank checker.
this page is one tool call
{ "tool": "app", "arguments": { "appId": 6823855712, "countries": [ "US" ], "subtitle": true } }
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