GERIX Library: offline PDFs

Content rating
Everyone
10+
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Content rating
Everyone
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About this app

GERIX Library is your personal PDF library. University notes, books, contracts, work manuals, Bible studies, recipes, personal documents: everything stays tidy in one place and you find anything in seconds.

SEARCH INSIDE YOUR PDFS

Type a word and the app searches the name, the category, the tags, the description and also the text inside every PDF. It shows the page where the word appears, with the passage highlighted. Tap the result and the reader opens right on that page. Accents don't matter.

READS EVEN SCANNED PDFS

Got a PDF made of photos, like a prescription or a scanned document? The app recognises the text of the pages on your own phone, without internet, and that text goes into the search too.

A COMFORTABLE READER

Pinch to zoom up to 1000%, always sharp. Double tap to zoom in. Swipe to turn the page, jump to any page and read in dark mode at night. The app remembers the page where you stopped in each PDF.

ORGANISED YOUR WAY

Seven ready-made categories (Students, Church, Work, Books, Personal Documents, Health and Other) plus your own categories, with 16 colours and 28 icons to choose from. Tags, descriptions, favourites, and sorting by name, date or size.

WORKS WITHOUT INTERNET

Your PDFs are kept inside the app, even if you delete the original. Reading, searching and recognising text use no data at all.

PRIVATE AND SECURE

No accounts, no e-mail, no sign-up. Your PDFs never leave your phone. Lock the library with a PIN and your fingerprint, and if you forget the PIN, recover it with your phone's own screen lock.

BACKUPS

Export a backup of the whole library as a .zip file and keep it wherever you like. Restore everything on another phone in a few taps. You can also export the list of your PDFs to Excel.

ENGLISH AND PORTUGUESE

The app follows your phone's language, and you can switch between English and Português in Settings at any time.

DARK AND LIGHT MODE

Follows your phone, or switch with one tap on the sun and moon.

Made in Mozambique by Gerix AMN.
Keep, organise and search inside your PDFs, even without internet.
Updated on
Nov 15, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

What's new in 1.3.3:
- Send the whole PDF by WhatsApp, email or another app: press and hold the PDF and tap Send PDF
- Choose how to read at the top of the reader: flip like a book or scroll down
- Welcome screens the first time you open the app
- Lighter and faster app
Content rating
Everyone
Learn more

App support

About the developer
ALBERTO MANUEL JOSÉ NOTA
albertonota2004@gmail.com
RUA 24 DE JULHO Beira 2100 Mozambique

More by Alberto Manuel Jose Nota