Comparison

ReflowPDF vs Red PDF Reader

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

Head to head
About

ReflowPDF

Transform scanned PDFs and regular documents into easily readable text with adjustable formatting. Seamlessly switch between a reflowed reading mode and the original document for verification. Process documents privately on your device with no uploads or tracking.

Highlights
  • Reflow scanned and text-based PDFs
  • Adjust font size, typeface, and line spacing
  • Switch between Reader Mode and original PDF
  • Search text and add bookmarks
  • Export recognized text as TXT
  • Create searchable PDFs
  • On-device OCR and processing
Features
Read full description

Read scanned PDFs without zooming. Scanned pages should be as comfortable to read as any article. ReflowPDF turns scanned books, papers, archives, and regular PDFs into clean, reflowed text designed for your iPhone and iPad. Import a document, process it on device, and read without constantly zooming or panning. READER MODE FOR PDFS • Reflow scanned and text-based PDFs into adjustable text • Choose font size, typeface, line spacing, and reading theme • Keep your reading progress and return where you left off CHECK THE ORIGINAL ANY TIME • Move between Reader Mode and the source PDF • Jump from a paragraph to its original page for quick verification • Search text, add bookmarks, and navigate document headings PRIVATE BY DESIGN • OCR and document processing happen on your device • Your PDFs and recognized text are not uploaded • No account, in-app analytics, advertising, or tracking USE YOUR RESULTS • Export recognized text as TXT • Create a searchable PDF while preserving the original pages • On supported devices, generate an on-device summary with Apple Intelligence The free version includes full processing for three standard documents. An optional one-time Lifetime unlock removes document limits and unlocks full large-document processing and export. OCR and document structure accuracy depend on scan quality, language, and page layout.

About

Red PDF Reader

Features
Read full description

Red PDF Reader A clean, distraction-free PDF reader designed for people who actually read. Open any PDF from your Files app and pick up exactly where you left off — Red PDF Reader remembers your last page automatically and syncs it across all your devices via iCloud. Switch from your iPhone to your iPad and continue reading without missing a beat. Features: Continuous reading — smooth, vertical scroll layout optimized for long documents Auto-resume — your last page is saved automatically and synced across devices Recent files — quickly jump back to any of your last 50 documents Page thumbnails — visual panel for fast navigation through any document Go to page — jump directly to any page with a single tap Page indicator — always know where you are with a subtle page counter overlay No sign-in required. No subscriptions. No ads. Just your PDFs, exactly where you left them.

Screenshots

ReflowPDF4 screens
Red PDF Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: Red PDF Reader at none against ReflowPDF's 1. Red PDF Reader also leads on update cadence (every 4 days vs every 10 days) and iOS requirement (18 vs 26.0). On price, ads and device support 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. ReflowPDF sells 1 one-off in-app purchase. Red PDF Reader asks for nothing beyond the download.

UpkeepUpdate frequency

ReflowPDF ships an update every 10 days, Red PDF Reader every 4 days. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

Scorecard3 real differences · 7 level
ReflowPDF versus Red PDF Reader: the parameters behind the verdict, then further details
ParameterReflowPDFRed PDF Reader
PriceFreeFree
Rating4.3 (3 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings3 — better—
Update frequencyEvery 10 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.018 — better
Further details — not scored
Size8 MB4 MB
Age rating4+4+
Developer亚雄 邹Khurshed Gulov

In-app purchases

1 purchases

ReflowPDF

One-time1
  • ReflowPDF Lifetime$4.99
None

Red PDF Reader

No in-app purchases

Questions

Is ReflowPDF free?
ReflowPDF is free to download, with in-app purchases available.
Is Red PDF Reader free?
Red PDF Reader is free to download, with no in-app purchases.
Do ReflowPDF or Red PDF Reader have ads?
Neither ReflowPDF nor Red PDF Reader shows ads.
Which is updated more often, ReflowPDF or Red PDF Reader?
ReflowPDF ships an update every 10 days, and Red PDF Reader every 4 days. Most recently, ReflowPDF was updated on September 17, 2026 and Red PDF Reader on September 21, 2026.

Other comparisons