About this app
OpenViewer is a lightweight viewer for all standard document formats. [Supported formats] PDF · HWP · DOCX · XLSX · PPTX · EPUB · TXT · Images [Key features] • Fast launch • Dark mode • Recent files + favorites • 100% on-device processing • Native HWP support for Korean documents [Why OpenViewer?] - No in-app purchases - No account required - Ad-supported (no ads inside viewer) - English, Korean, Japanese UI Contact: wowpia0127@gmail.com
Latest release
What’s New
What's new • HWP text preview — read Korean HWP documents directly in the app • XLSX & DOCX viewers work fully offline (no internet required) • Latest iOS SDK and stability improvements Still 100% free · no account · everything stays on your device.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 4:21 PM Free
Screenshots
