Comparison

OOReader vs UmbraQRGen

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

Head to head
About

OOReader

View office documents from various suites, including OpenOffice, LibreOffice, and Microsoft Office formats, as well as PDFs. Convert documents to PDF for easy sharing and printing, with an internet connection required for conversion.

Highlights
  • View ODF, DOCX, XLSX, PPTX, PDF
  • Convert documents to PDF
  • Share and print documents
  • Page-by-page viewing
  • Search within documents
  • Password protected document viewing (PRO)
Features
Read full description

OOReader is the essential mobile viewer for all your office documents. Easily open and view files created with OpenOffice and LibreOffice (Writer, Calc, Impress), common Microsoft Office formats (Word, PowerPoint, Excel), PDFs, and many other documents. Instantly access all your critical information, regardless of the file type: OpenOffice / LibreOffice (ODF Standard): • Writer: ODT, OTT, STW, SXW • Calc: ODS, OTS, STC, SXC • Impress: ODP, OTP, SDD, SDP • Draw & Math: ODG, OTG, STD, SXD, ODF, ODC, SXM, MML Microsoft Office: • Word: DOC, DOT, DOCX, DOTX, DOCM • Excel: XLS, XLT, XLSX, XLTX, XLSM • PowerPoint: PPS, PPT, POT, PPSX, PPTX, POTX • Visio: VDX, VSD, VSDX Other Formats: • PDF (Adobe Portable Document Format) • RTF (Rich Text Format, WordPad) • Legacy: WordPerfect, Lotus 1-2-3, QuattroPro, WordPro, QuarkXPress Key Features: • Quick PDF Conversion: Easily convert any supported document into a standard PDF file for reliable sharing or archival. • Sharing & Printing: Instantly share the converted PDF via email or to other apps, or print the document directly. • Optimal Viewing: Seamless page-by-page or slide-by-slide reading modes. • Essential Tools: Use the built-in search function to find specific text within long documents. • Advanced Features (PRO Upgrade): ◦ Open documents with password protection. ◦ View documents with unlimited pages (removes the 100-page limit). Important Notes: • OOReader is a document viewer only. File content cannot be edited or modified. • To perform document conversion for accurate viewing, OOReader utilizes an online service. An Internet connection is required for this conversion process.

About

UmbraQRGen

Generate various QR codes directly on your device without needing an account or internet connection. This app prioritizes user privacy by not collecting any personal information or using servers. It offers a straightforward and secure way to create QR codes.

Highlights
  • Create multiple QR code types
  • Offline functionality
  • No account or login required
  • No server usage
  • User data privacy focused
Features
Read full description

A simple app to create several types of QR codes, all on your device. There are no new accounts, no login, no servers. You keep your information. I don't want it. No Ads, no logins, no servers to take your information.

Screenshots

OOReader4 screens
UmbraQRGen4 screens

Verdict

The call

The clearest difference is in-app purchases: UmbraQRGen at none against OOReader's 1. UmbraQRGen also leads on ads (none vs shown). OOReader's advantage is update cadence (every 2 months vs every 5 months). On price, device support and iOS requirement 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

Both are free to download. OOReader sells 1 one-off in-app purchase. UmbraQRGen asks for nothing beyond the download.

UpkeepUpdate frequency

OOReader ships an update every 2 months, UmbraQRGen every 5 months. The most recent releases landed on October 6, 2026 and September 16, 2026 respectively.

Scorecard4 real differences · 6 level
OOReader versus UmbraQRGen: the parameters behind the verdict, then further details
ParameterOOReaderUmbraQRGen
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews53.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 2 months — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS16.616.0 — better
Further details — not scored
Size37 MB5 MB
Age rating4+4+
DeveloperBML Solutions Inc.Bryan Murphy

Customer experience

OOReader

Written reviews132 reviews
Positive53.0%
Neutral13.6%
Negative33.3%

UmbraQRGen

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

OOReader

Reported bugs

4 issues
  • Crashes when opening files
  • Inconsistent file handling (caching issues)
  • Inability to open larger documents
  • Compatibility issues with newer iOS versions

Requested features

6 requests
  • Add search and delete functions
  • Improve handling of password-protected files
  • Increase file size/page limit
  • Add editing capabilities
  • Improve font/formatting preservation
Show 1 more
  • Provide more cloud storage integration options

UmbraQRGen

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

OOReader

One-time1
  • OOReader Pro$3.99
None

UmbraQRGen

No in-app purchases

Questions

Is OOReader free?
OOReader is free to download, with in-app purchases available.
Is UmbraQRGen free?
UmbraQRGen is free to download, with no in-app purchases.
Do OOReader or UmbraQRGen have ads?
OOReader shows ads; UmbraQRGen does not.
Which is updated more often, OOReader or UmbraQRGen?
OOReader ships an update every 2 months, and UmbraQRGen every 5 months. Most recently, OOReader was updated on October 6, 2026 and UmbraQRGen on September 16, 2026.

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