pbnCt9Crop

Name: pbnCt9Crop
Author: Fred Kuo

LiveFred Kuo13 apps · 68 installsArt & DesignFree · contains adscom.pbn.ct9crop

Use phone camara to evaluate printing quality

Alert me ★ Watch Open in Play ↗

Total installs: 3
Installs / day: 0
Rating: —★
Released: 13 Dec 2025
Last update: 28 Dec 2025
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

1 changesFull history

11 Oct 2026 before
Permissions
+ read the contents of your USB storage+ modify or delete the contents of your USB storage+ take pictures and videos+ Google Play license check

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
No data collected

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

6 in 4 groups

5 Sensitive0 Notable1 Routine

What this app can do with your phone

Use your camera to take photos and record videos
Read photos, videos, and other files saved in your phone's shared storage
Add, change or delete photos, videos and other files in your phone's storage

Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

StorageSensitive2

Access to files, photos and media saved on your phone's storage

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

CameraSensitive1

Access to your camera to take photos and record video

Use your camera to take photos and record videostake pictures and videos · CAMERA

OtherRoutine1

Access to miscellaneous device features that don't fit other categories

Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Read more · all 6 permissions Show less

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Download

Full description

The basic concept for evaluating print quality using a mobile phone camera is as follows: The printed material must display a 3x3 grid of colors as shown in the image. The composition of these nine color blocks has been mentioned several times before: CMYK full coverage, CMYK 50%, and C50MY40 gray balance. The camera must distinguish the range of this grid, extract the RGB values, convert them to CIE system values, and then calculate values such as color difference, TV, and gray difference. Finally, a score is given based on the full-page color difference, TV difference, and the brightness and gray difference of the gray balance.

What's new

1.15

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