Palberta CAN
iOS app by Nguyen Pham Hoang Nam. Reference · Nguyen Pham Hoang Nam
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-08
View the original store listing
Store description excerpt
Measure image sharpness with confidence. Measure the true optical detail in your photos with objective, on-device analysis. Import a full-resolution image and receive a 0–100 Sharpness Score, percentile ranking, and a clear Pass / Borderline / Fail verdict in seconds. Designed for photographers, lens testers, gear reviewers, and anyone choosing the sharpest frame. WHAT IT MEASURES • Sharpness Score — Measure real image detail using hardware-accelerated frequency analysis, producing a consistent 0–100 score with a percentile ranking. • MTF50 / SFR Analysis — Evaluate edge sharpness using ISO 12233-style slanted-edge measurements, the industry standard for objective lens testing. • Highlight & Shadow Clipping — Detect clipped highlights and crushed shadows with per-pixel analysis and RGB/luminance histograms. • Focus Map — Visualize where focus landed across the frame with an interactive heatmap to identify front focus, back focus, and edge softness. • EXIF Inspector — View camera, lens, aperture, ISO, shutter speed, focal length, and other capture information directly from the original image. Every analysis combines these measurements into a clear overall verdict, helping you evaluate image quality with confidence. MEASURE A WHOLE BURST Import up to 10 photos at once and analyze every frame automatically. Images are ranked by measured sharpness, making it easy to identify the strongest shot. Mark your favorites, save them to History, or add them to your Photos library—your original photos are never modified or deleted. COMPARE AND KEEP THE BEST Captured the same scene multiple times? Create comparison sessions to rank images by measured sharpness, compare focus accuracy, and identify the best-performing frame. Scores are normalized for consistent comparisons across different cameras, lenses, and resolutions. SAVE YOUR RESULTS • Save analyses to History • Search, sort, and filter by camera, lens, ISO, or verdict • Export detailed reports as PDF or raw measurements as CSV • Back up and restore your complete analysis library PRIVATE BY DESIGN Every analysis runs entirely on your iPhone. Your photos, analyses, and metadata are never uploaded, no account is required, and everything works completely offline.
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