Comparison

docViewer vs Gemma 2B AI Chat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

docViewer

Features
Read full description

"docViewer" is a “all in one” program to display any type of document, images, audio files and video files. With "docViewer" you can store an infinite number of documents in your portable device and you can visualize / share / print them whenever you want, also in offline mode. Compatible documents: - iWork documents (Pages, Numbers, Keynote) - Microsoft Office documents (Office ‘97 and newer) - Rich Text Format (RTF) documents - PDF files - Text files (TXT) documents - Comma-separated value (csv) files - Images - Audio files (normal playback or with HiFi) - Video files (normal play, with external televisions, with video projectors) - Zip files (view contents) Archive (Flash Drive feature): - Local archive of documents: you can save all the documents that you want in the internal memory of the device, take them with you and view them offline (no internet connection is required) Typical usage: - import documents (e.g. email attachments, pdf, doc, pages, etc...) - save them to the device's memory (internal storage - once imported, an internet connection is not required to work on the document) - view them - edit them (add freehand text, text written with the keyboard, drawings, highlight, underline, delete, color, review, correct, etc...) - search for words in the document - save the modified document to files - print - share or forward by email Rename documents: - Tap and hold your finger on the document file name for 1.5 seconds to rename the document Documents Sharing: - "ITunes File Sharing" - "Open In" - "Importing documents”: from email attachments, from Safari, from other installed applications, from Dropbox, iCloud Drive, AirDrop, etc... - "Exporting documents”: with other applications installed, Dropbox, iCloud Drive, AirDrop, etc... - "Publishing documents”: on Facebook and Twitter - "Sending documents”: with an email, iMessage, WhatsApp, etc… - Copy / Paste Document print: - AirPrint - Export to PDF file format (zoom with two fingers the print preview and share the generated PDF using the share button) Document visualization: - Viewing documents in full screen (Portrait, Landscape) - Zoom (pinching the screen with two fingers) - Pan (by dragging a finger across the screen) - Zoom IN/OUT automatically (double tap) - Horizontal swipe (quickly) to move from one document / song / video / photo to another one Vocal reading of documents: - Using Siri Dictionary: - Definition of terms highlighted in the document by using the multilingual dictionary Application Type: - UNIVERSAL APP (you pay only once and you can run on all your devices)

About

Gemma 2B AI Chat

This AI assistant offers private, offline conversations to boost productivity and creativity. It's a one-time purchase, eliminating subscription fees. Download the LLM model after installation for secure interactions.

Highlights
  • Offline AI conversations
  • Enhances productivity
  • Boosts creativity
  • One-time purchase
  • No subscription fees
  • Secure and private
Features
Read full description

Introducing Gemma 2B AI Chat, your exclusive private AI assistant. Designed to enhance your productivity and creativity, this is a one-time purchase application that provides access to a comprehensive suite of AI capabilities without the need for recurring subscription fees. Eliminate the burden of subscription costs! Upon initial app installation, you will be prompted to download the LLM model to facilitate secure and private conversations. A minimum of 3 GB of free storage space is necessary to install the complete LLM model.

Screenshots

docViewer4 screens
Gemma 2B AI Chat3 screens

Verdict

The call

The clearest difference is update cadence: Gemma 2B AI Chat at every 2 months against docViewer's every 38 months. docViewer's advantage is price ($0.99 vs $4.99) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

docViewer costs $0.99 and Gemma 2B AI Chat $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

docViewer ships an update every 38 months, Gemma 2B AI Chat every 2 months. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
docViewer versus Gemma 2B AI Chat: the parameters behind the verdict, then further details
ParameterdocViewerGemma 2B AI Chat
Price$0.99 — better$4.99
Rating—1.7 (3 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 38 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better18.0
Further details — not scored
Size1 MB17 MB
Age rating4+9+
DeveloperGianluca NataliniSozzled LLC

In-app purchases

None

docViewer

No in-app purchases

None

Gemma 2B AI Chat

No in-app purchases

Questions

Is docViewer free?
docViewer costs $0.99, with no in-app purchases.
Is Gemma 2B AI Chat free?
Gemma 2B AI Chat costs $4.99, with no in-app purchases.
Do docViewer or Gemma 2B AI Chat have ads?
Neither docViewer nor Gemma 2B AI Chat shows ads.
Which is updated more often, docViewer or Gemma 2B AI Chat?
docViewer ships an update every 38 months, and Gemma 2B AI Chat every 2 months. Most recently, docViewer was updated on October 9, 2026 and Gemma 2B AI Chat on October 25, 2026.

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