Comparison

SAYANA OCR 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

SAYANA OCR

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SAYANA OCR is handwriting to text OCR app converting scanned handwritten notes or paragraph into digital text. This app enables you to perform OCR (Optical character recognition) on your mobile and allows you to easily scan text from images. With easy to use interface of this application to scan, recognize and convert handwritten documents into digital text. Handwritten documents like notes, letters, class notes, meeting minutes, shopping lists etc can now be scanned and converted, by our OCR engine, into text that can be edited and stored on the device with share feature. The handwriting recogniton platform used by SAYANA OCR is designed to convert Japanese and English handwriting to text. It extracts handwritten lines or words or characters from scanned documents and converts into digital editable text string. Recognizing the handwritten text is most powerful feature of SAYANA OCR application. SAYANA OCR application is seamless in usage, fast and easy to use. This is a perfect solution for students and professionals, to convert their handwritten class notes, meeting notes. Kind Attention: The quality of results of the handwritten text recognition is dependent on the quality of your scan. For best results scan your document in a well lighted area, make sure the paper is straightened. Key Features: 1. Image Text Extraction: Extracts text accurately from images, supporting both handwritten and printed text recognition with high precision. 2. Multi-language Support: Recognizes and processes text in multiple languages, enabling users to extract and translate content in diverse linguistic contexts. 3. Handwritten Text Recognition: Capable of identifying and transcribing handwritten text from images or documents, enhancing versatility in text extraction. 4. Translation Capabilities: Provides seamless text translation functionality, allowing users to translate the extracted text into various languages for broader accessibility and comprehension. 5. Output Formats: Enables users to save extracted text as PDF, DOC, or in other preferred formats for convenient storage and sharing purposes. 6. Batch OCR Processing: Supports batch processing, allowing users to extract text from multiple images simultaneously, improving efficiency and productivity. 7. User-friendly Interface: Intuitive interface for effortless navigation and easy text extraction, translation, and document saving/sharing functionalities. 8. OCR Accuracy: Utilizes advanced optical character recognition (OCR) algorithms to ensure high accuracy in text extraction, even from complex images or documents. 9. Sharing Functionality: Facilitates easy sharing of extracted text across various platforms and applications, enhancing collaboration and communication. 10. Offline Mode for Printed Text: Offers the capability to perform OCR tasks even without an internet connection, ensuring functionality in diverse environments. We welcome all feedbacks and always happy to hear from our users. While using SAYANA OCR application if you face any issue, please contact us at info@sayana-ai.com, so our team can provide you assistance and support. For more information, visit our website: https://sayana-ai.com/ Download SAYANA OCR now, and start converting your paragraph text or handwritten notes to digital text!

About

PDF Studio

Features
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PDF Studio turns your iPhone and iPad into a complete PDF office. Convert PDF to Word, sign and fill forms, scan paper, compress big files and edit the text inside a PDF – then see the finished result before you save or share it. USE IT WHEN YOU NEED TO • Sign a contract or permission slip someone just emailed you • Turn a PDF into an editable Word document, or a Word file into a PDF • Shrink a large PDF so it fits as an email attachment • Scan receipts, notes or forms and keep them as one searchable PDF • Fix a typo in a PDF you received without asking for the original file CONVERT • PDF to Word, Excel or PowerPoint • Word, Excel or PowerPoint to PDF • Photos to PDF: up to 50 images, A4 or Letter, portrait or landscape • PDF to JPG or PNG images, by page or as one long image • PDF to plain text you can edit before saving • Text, a web page or a blank page to a new PDF SIGN & FILL • Draw your signature, capture it with the camera or import it from a photo • Clean up the background, change the ink color and keep a signature library • Fill in form fields: text, checkboxes, radio buttons and choice lists • Add text and today's date anywhere on the page EDIT & ANNOTATE • Edit the original text of a PDF: font, size, bold, color and alignment • Highlight, underline or strike through text • Draw with pen and marker, with Apple Pencil support • Add shapes, stickers, comments and images • Undo and redo every change ORGANIZE PAGES & FILES • Combine 2 to 20 PDFs and images into one file • Split a PDF, extract pages, reorder, rotate, delete or insert pages • Compress PDFs with three quality levels and a size estimate before you start • Add or remove a password and add a text or image watermark • Restore an earlier version after a big change SCAN & SEARCH • Scan paper documents with the camera, up to 50 pages at a time • Crop, rotate and filter each page • Make scanned pages searchable with on-device text recognition ASK & SUMMARIZE • Ask questions about a document or get a quick summary • Runs on device with Apple Intelligence on supported devices; otherwise it uses a server only after you agree WORKS WHERE YOU ARE • Share sheet actions: sign, compress or convert a file straight from Mail, Files or Safari • Shortcuts and Siri for your everyday PDF jobs • iCloud Drive sync across your devices • Wi-Fi transfer to your computer, protected by a one-time PIN • iPad: sidebar, Split View, drag and drop and keyboard shortcuts • Light and dark mode, 19 app languages SUPPORTED FILES Open PDF, Word (DOC, DOCX), Excel (XLS, XLSX), PowerPoint (PPT, PPTX), TXT and images (JPG, PNG, HEIC). Save as PDF, DOCX, XLSX, PPTX, JPG, PNG or TXT. PRIVACY No account needed, no ads and no tracking. Scanning, compression, text recognition, signing and editing run on your device. Office conversions are processed on our server only after you agree, and the files are deleted after processing. Open a PDF and finish the job in a few taps. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://chuminhson.netlify.app/policy

Screenshots

SAYANA OCR4 screens
PDF Studio4 screens

Verdict

The call

The clearest difference is in-app purchases: SAYANA OCR at none against PDF Studio's 2. SAYANA OCR also leads on update cadence (every 5 weeks vs every 5 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. PDF Studio sells 2 in-app purchases, starting at $7.99 per 7 days. SAYANA OCR asks for nothing beyond the download.

UpkeepUpdate frequency

SAYANA OCR ships an update every 5 weeks, PDF Studio every 5 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences Ā· 3 level
SAYANA OCR versus PDF Studio: the parameters behind the verdict, then further details
ParameterSAYANA OCRPDF Studio
PriceFreeFree
Update frequencyEvery 5 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size65 MB34 MB
Age rating4+4+
DeveloperRAWATTECH CONSULTING & SOLUTIONS PRIVATE LIMITEDChu Minh Son

In-app purchases

None

SAYANA OCR

No in-app purchases

2 purchases

PDF Studio

Subscriptions2
  • PDF Studio Pro Weekly$7.997 Days
  • PDF Studio Pro Yearly$39.991 Year

Questions

Is SAYANA OCR free?
SAYANA OCR is free to download, with no in-app purchases.
Is PDF Studio free?
PDF Studio is free to download, with in-app purchases available.
Do SAYANA OCR or PDF Studio have ads?
Neither SAYANA OCR nor PDF Studio shows ads.
Which is updated more often, SAYANA OCR or PDF Studio?
SAYANA OCR ships an update every 5 weeks, and PDF Studio every 5 months. Most recently, SAYANA OCR was updated on November 3, 2026 and PDF Studio on October 31, 2026.

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