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First release. Put a red sheet over your photos and hide red ink.
Snap notes and hide red ink like a red sheet. Tap to reveal. No page limits.
No page limits. No subscription. No ads with sound. Snap your textbook, vocabulary list or notes, and red ink disappears just like under a real red sheet. ■ Works like a real red sheet Under the sheet, the page is redrawn with red light only. Red, orange and pink ink turns the same color as the paper and vanishes, while black and blue text stays dark and readable. Nothing gets inverted or washed out. Use the "Fade strength" slider for light red pens or darker photos. ■ Move the sheet with your finger Drag the red sheet up and down and resize it from its bottom edge. Its position, height and fade strength are saved for each note. ■ Drag to hide, tap to reveal In Hide mode, drag over any part to cover it with a box (orange, blue or gray). In Study mode, tap a box to reveal it, tap again to hide it, or reveal everything at once. Zooming in Study mode never draws anything, so boxes don't appear or move by accident. ■ Import in seconds Take a photo or pick many photos at once. Pages are saved on your device; rotate, reorder or delete them anytime. Organize notes into color-coded folders for each subject. ■ Known / Weak marks Mark each page as Known or Weak. The list shows how many pages you know. ■ Free forever No limits on photos or notes. The red sheet, hiding boxes, marks and folders will always be free. Ads appear only as a banner on the home screen and when you finish a note — never while you study, and never with sound. ■ Mekurin Pro (one-time purchase, $3.99) Pay once, keep it forever. No subscription. - No ads - Study only the pages marked Weak - Green sheet (hides green ink) Terms of use: https://nskn-apps.web.app/en/terms/ Privacy policy: https://nskn-apps.web.app/en/privacy/