App Intel

Challenger Viewer Donation

LiveThe Challenger2 apps · 1.9M installsComics$5.49org.kill.geek.pro.bdviewer

The Best comics Viewer ! Read PDF, ePUB, CBR, CBZ, CBT, CB7, JPG, PNG, BMP, GIF

Alert me★ WatchOpen in Play ↗
Total installs
2,355
exact · Play shows 1,000+
Installs / day
0
7-day avg · last day 0
Rating
4.9★
144 ratings · 25 reviews
Released
21 Aug 2012
14.2y ago
Last update
10 Oct 2025
1y ago
Countries
—
not checked yet

Install history

exact counter from Google Play
2.3K3K3.7K4.3K5K10 Oct12 Oct13 Oct
2.3K3K3.7K4.3K5K10 Oct12 Oct13 Oct

Installs per day · last 90 days

00.30.50.8111 Oct12 Oct13 Oct

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

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.

Manifest analysis reads only the required APK ranges. Base APK downloads may need separate device splits to install.

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

12 in 6 groups
6 Sensitive2 Notable4 Routine

What this app can do with your phone

  • See the list of accounts on your phone, like Google or email accounts
  • 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
IdentitySensitive1

Access to accounts on the device and your personal profile card

  • See the list of accounts on your phone, like Google or email accountsfind accounts on the device · GET_ACCOUNTS
ContactsSensitive1

Access to the contacts saved on your phone

  • See the list of accounts on your phone, like Google or email accountsfind accounts on the device · GET_ACCOUNTS
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
Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

  • See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE
OtherNotable5

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

  • Receive data sent to all devices on your Wi-Fi network, which uses more batteryallow Wi-Fi Multicast reception · CHANGE_WIFI_MULTICAST_STATE
  • Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
  • Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
  • Connect to the internet to load content and send datafull network access · INTERNET
  • Add shortcuts to your home screen without asking youinstall shortcuts · com.android.launcher.permission.INSTALL_SHORTCUT

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

Full description
Challenger Viewer Donation is an advanced comics, manga, books and PDF viewer. There is a FREE version available on Google Play Store. The Donation version is exactly the same (no extra features) and donation will help me to improve the app. It's really simple to use. You just have to scroll ! Pages are automatically loaded and displayed (no need to click to go to next page). This version works perfectly on phones AND tablets. Supported image file formats are JPG, PNG, GIF, WebP (Android 4.0+) and BMP. Supported book file formats are PDF, CBZ/ZIP, CBR/RAR, CBT/TAR, CB7/7Z, DjVu, and ePUB. Main features are : • Automatic page loading • Zoom using multi-touch • Vertical/Horizontal scrolling • 2 display modes (Simple View which displays pages one by one and Multiple Image View which displays all pages one after the other) • Scale filters: Bilinear, Bicubic, Lanczos4 • Library with covers displayed to quickly open comics (multiple kind of views available) • Automatically switch to next issue when last page of the comic is displayed • Border cropping • Read from left to right or right to left • Actions can be customized • Single page and "2 page" display mode • Filter to improve displayed image quality • Manual scrolling by moving finger on screen • Autoscrolling by long pressing on screen • Tap to go to Next/Previous pages • Fit to Width/Height/Screen display • Multiple Image preview type • Option to direct access to page • History management • Support multi-language (for now, english and french) • Border can be display over Bitmap to easily identify each pages • Contrast/Brightness/Saturation management • Screen brightness management • Application can be moved to SD Card • Cached data can be stored in internal memory or SD Card • Supports Samsung "Multi-Window" mode • Color themes Files can be accessed on the device or network. Supported network protocols are : • Google Drive • OneDrive/SkyDrive • Mega • Ubooquity (http://vaemendis.net/ubooquity) • DLNA/Upnp (Need Android >= 4.0.3) • OPDS (beta) • Windows/SAMBA/CIFS • DropBox • Webdav/Cloud (like box.com, 4shared.com, alwaysdata.com, ...) • FTP • SFTP The application needs a phone/tablet with lots of memory and a powerful processor, so don't be disappointed if your phone is quite old and performance is not good. For instance, it works perfectly on Nexus 4, Nexus 7, Nexus 10, Galaxy S2, Galaxy S3, Galaxy S4, Galaxy S5, Galaxy S6, Galaxy S7, Galaxy Tab, ... Documentation is available at : http://challengerviewer.wordpress.com/challenger-comics-viewer-documentation/ An FAQ is available at : http://challengerviewer.wordpress.com/challenger-comics-viewer-faq/ The English forum : http://forum.xda-developers.com/showthread.php?t=1389440 Please add comments if you like this app or if you have some new features idea. To report bugs, don't hesitate to send me e-mail. Thanks !

What's new

Version 3.0.33: • Compatible with Android 15

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