OOReader vs Project Ad Block
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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)
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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.
Project Ad Block
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Ad Block Max is a Safari Content Blocker that removes ads, pop-ups, and trackers from websites while you browse. Features: Block web ads, banners, and pop-up overlays in Safari Stop analytics trackers and fingerprinting scripts Hide social media tracking widgets Block browser-based cryptominers Create custom blocking and allow rules Import and export domain lists Enable the Safari extension in Settings → Apps → Safari → Extensions to get started
Screenshots
Verdict
The clearest difference is price: OOReader at Free against Project Ad Block's $2.99. OOReader also leads on device support and iOS requirement (16.6 vs 26.0). Project Ad Block's advantage is in-app purchases (none vs 1).
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
OOReader is free to download; Project Ad Block costs $2.99 up front. OOReader sells 1 one-off in-app purchase. Project Ad Block asks for nothing beyond the download.
| Parameter | OOReader | Project Ad Block |
|---|---|---|
| Price | Free — better | $2.99 |
| Positive reviews | 53.0% of reviews | — |
| Update frequency | Every 2 months | — |
| Ads | Yes | — |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | — |
| Requires iOS | 16.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 37 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | BML Solutions Inc. | Maher Zidan |
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
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- Provide more cloud storage integration options
Project Ad Block
Not enough reviews yet to summarise bugs or requests.
In-app purchases
OOReader
- OOReader Pro$3.99
Project Ad Block
No in-app purchases
Questions
Is OOReader free?
Is Project Ad Block free?
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