Comparison

ReflowPDF vs PDF Studio

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

PDF Studio

Features
Read full description

PDF Studio is the all-in-one PDF app that works entirely on your device. No account, no ads, no tracking — your files never leave your iPhone or iPad. READ & MARK UP • Fast, smooth reader with search, bookmarks and a page thumbnail grid • Highlight, underline, strike through and draw with Apple Pencil or your finger • Add text, shapes, arrows, sticky notes and a date stamp • Sign with your finger and reuse saved signatures • Custom stamps, Night and Sepia modes, a clean Reading View and Read Aloud SCAN & CREATE • Scan documents with the camera and clean up the edges • Turn photos into a PDF • Make scans searchable with on-device OCR CONVERT • PDF to Word, plain text or images • Images to PDF • Grayscale a PDF to save ink and shrink the file ORGANIZE • Merge, split, reorder, rotate, insert and delete pages • Compress, and batch-compress or merge many PDFs at once • Crop margins, extract images and add Bates numbers • Compare two PDFs side by side and highlight what changed PROTECT • Add or remove a password • Permanently redact text — even every match of a word at once • Watermarks and page numbers YOUR LIBRARY • Star favorites for quick access and search every PDF at once • Fill in forms • Save to Files / iCloud Drive, plus a Home Screen widget for one-tap scanning • Back up your whole library to one file and restore it on another device 100% ON-DEVICE PRIVACY Everything happens on your device. PDF Studio collects no data — no ads, no tracking, ever. That's the whole point. PDF Studio Pro unlocks every tool with no limits. Every Pro feature works 3 times free — upgrade yearly or once for lifetime. Terms of Use (EULA): https://birsoftware.com/terms.html

Screenshots

ReflowPDF4 screens
PDF Studio4 screens

Verdict

The call

The clearest difference is iOS requirement: PDF Studio at 18.0 against ReflowPDF's 26.0. On price, update cadence, 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

Both are free to download. ReflowPDF sells 1 one-off in-app purchase and PDF Studio sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ReflowPDF ships an update fortnightly, PDF Studio weekly. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 9 level
ReflowPDF versus PDF Studio: the parameters behind the verdict, then further details
ParameterReflowPDFPDF Studio
PriceFreeFree
Rating4.3 (3 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings3 — better—
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.018.0 — better
Further details — not scored
Size8 MB6 MB
Age rating4+4+
Developer亚雄 邹Birkan Aksoy

In-app purchases

1 purchases

ReflowPDF

One-time1
  • ReflowPDF Lifetime$4.99
2 purchases

PDF Studio

Subscriptions1
  • PDF Studio Pro$9.991 Year
One-time1
  • PDF Studio Pro (Lifetime)$24.99

Questions

Is ReflowPDF free?
ReflowPDF is free to download, with in-app purchases available.
Is PDF Studio free?
PDF Studio is free to download, with in-app purchases available.
Do ReflowPDF or PDF Studio have ads?
Neither ReflowPDF nor PDF Studio shows ads.
Which is updated more often, ReflowPDF or PDF Studio?
ReflowPDF ships an update fortnightly, and PDF Studio weekly. Most recently, ReflowPDF was updated on October 4, 2026 and PDF Studio on October 14, 2026.

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