PDF Reader
Free Android PDF viewer and editor with AI summaries and ad support
QR Code Scanner.
4 apps on TopDown APK pdfreader.deepthought.industries
QR Code Scanner. is the publisher behind four Android apps in this catalog, spread over three categories: PDF readers, QR scanners and ringtones. PDF Reader and Document Reader & PDF Editor make up the PDF reader pair, QR Code Scanner & Scanner App covers scanning, and Ringtones for Android Phone rounds out the set.
The developer website is pdfreader.deepthought.industries. The most recent update in the set is dated October 26, 2026, for PDF Reader.
Apps by QR Code Scanner.
Document Reader & PDF Editor
Offline viewer for PDF, Word, Excel and PPT with PDF text editing
QR Code Scanner & Scanner App
Free Android QR and barcode scanner with batch scan and a code creator
Ringtones for Android Phone
Free ringtone and wallpaper app with 20+ categories and 10M installs