Comparison

Flexcil Note & Good PDF Reader vs UPDF

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

Head to head
About

Flexcil Note & Good PDF Reader

This app is a comprehensive note-taking and PDF reader designed for Apple devices. It allows users to edit PDFs, annotate documents, create bullet journals, and record audio, all while offering intuitive gesture controls and seamless integration with cloud services.

Highlights
  • Edit PDF pages
  • Annotate documents with gestures
  • Record and playback audio
  • Create bullet journals
  • Cloud sync across devices
  • Masking pen for precise annotations
Features
Read full description

Flexcil: The world’s ultimate iOS note-taking app Loved by Apple Editors - Editor's Choice, App of the Day, Note-taking on the next level, College Life, Apple Pencil Enhanced, New Apps We Love, Noteworthy Apps & Game, Productivity Boost for teachers Whether you’re taking notes, bullet journaling, reading documents, or editing pages from textbooks ー use Flexcil! It’s the #1 note-taking tool for any Apple device. Simply highlight by pen gestures and capture images and text on the study-note by pen gestures! Save time transcribing summaries by gestures on study-note with your Apple pencil. ALL IN ONE NOTE TAKING • Edit PDF pages • Annotate almost anything • Endless pen colors, sizes, and fonts • Seamlessly highlight and underline text with GESTURE • Summarize and organize your thoughts, texts and notes • Instantly open any PDF for reading and studying • Zoom to read small text • Organize and manage your books AND notes EASY AND INTUITIVE • Drag and paste text flawlessly • Add text and annotate with ease • Smooth Image selection • Reading and pen gesture mode - FLEXCIL EXCLUSIVE • Search the dictionary for any definitions you need • Improved the tiring, old-fashioned way of writing which results in wrist/palm pain BULLET JOURNAL & TAKE BETTER NOTES • Easily create bullet journal pages • Hundreds of colors and pen stroke sizes • Colorful covers & templates • Endless creativity ー perfect for artists, hobbyists, or anyone that wants to make studying more fun • Proven to boost productivity & happiness RECORD & PLAYBACK AUDIO • Record everything you hear whenever you take class notes or writing meeting notes • Replay audio recording and review what you wrote during the class or in the meeting • Tab on your note and hear what was said at the moment MULTITASK • Use Flexcil while other apps are open - take notes during lectures! • Edit 2 PDFs at once • Advanced viewing: full screen view, vertical scroll, 4-page view, and so much more COMPATIBLE WITH: • Zoom • Google Classroom • Google Drive • Dropbox • Box • iCloud • Notes • Digital textbooks • ebooks • PDFs and more! APPLE PENCIL • Simulate real-life note-taking by using your Apple Pencil - easy to use for all ages • Guaranteed ZERO touch malfunctions • Support Apple pencil 2nd generation & double tap Plus, enjoy these NEW FEATURES! • Cloud sync: Access your notes from anywhere, and seamlessly sync across devices. • Masking pen: Enhance your annotations with precision using the masking pen. Take your note-taking to the next level with Flexcil. Download the most comprehensive, easy to use, and innovative study tool on the App Store today! * Support: https://support.flexcil.com * Website: https://www.flexcil.com * Twitter: https://www.twitter.com/flexcil * Facebook: https://www.facebook.com/flexcil * Youtube: https://www.youtube.com/channel/UCjro4WpiFnxqKxAXQmASNwg [Access Permission Guide] • Storage (Photos and Videos): Used for adding images to documents in Flexcil, accessing PDF files, purchasing and downloading store content. • Music and Audio: Used for voice recording features, purchasing and downloading store content. • Microphone: Used for voice recording. • Camera: Used for taking pictures when adding photos. • Notifications: Used to display important notification content.

About

UPDF

This app is a powerful PDF editor for mobile devices, offering AI-powered features for summarizing, translating, and chatting with documents. It allows users to read, edit, annotate, convert, and sign PDFs, as well as scan paper documents into editable files. Manage all your PDF files and protect them with security features.

Highlights
  • AI-powered summarization and translation
  • Edit text, images, and watermarks in PDFs
  • Annotate with various markup tools
  • Convert PDFs to Word, Excel, and PPT
  • Scan documents to editable PDFs
  • Sign and fill PDF forms
  • Organize and protect PDF files
Features
Read full description

UPDF for iOS is an AI-powered PDF editor for iPhone and iPad. Read, edit, annotate, convert, sign, and AI chat with your PDFs — all from your iOS device. Summarize lengthy documents, translate full PDFs, scan paper to PDF, and manage all your files in one place. Amazing features of UPDF for iOS: Edit PDF - Edit text in PDF (change color, font style, font size) - Edit images in PDF (rotate, extract, replace, and crop images) - Edit watermark in PDF (add, edit, delete and favor watermark) - Edit links in PDF (add, edit, copy, and delete) AI Assistant - Summarize, translate, explain, and rephrase lengthy PDFs in minutes. - Engage in a chat with UPDF AI and ask it any questions you have. - Summarize or translate PDF by pages. - Export conversations to Markdown or TXT files. - NEW AI Bookmark Agent: Auto-generate bookmarks and get instant section summaries for any PDF. - NEW AI Semantic Search: Search your PDF by meaning, not just exact words. - NEW AI Editing Suite: Rewrite, refine tone, or correct grammar directly. Read PDF - Flexible reading: vertical and horizontal scrolling, single page or two-page view - Dark mode to protect your eyes - Add and manage bookmarks with AI Bookmark Agent's help - Search text in PDF - Present PDF as a slideshow - Text-to-speech support Annotate PDF - Annotate PDFs using markup tools: pencil, highlight, underline, strikethrough, squiggly line - Add text boxes, text comments, callouts, sticky notes - Add shapes, stamps, and stickers to PDFs - Free-hand drawing on PDF pages OCR PDF - Convert scanned documents and images into searchable and editable PDFs - Recognize text in 38 languages Scan to PDF - Scan physical documents to PDF with your camera - Scan ID cards onto one page - Crop, rotate, and filter scanned images Convert PDF - Convert PDF to Word, Excel, PPT, and images Organize PDF Pages - Insert, replace, extract, split, rotate, remove, and reorder pages in PDFs - Merge multiple PDFs into one file - Copy, paste, and share specific pages in a PDF Sign PDF & Fill PDF Form - Create handwritten signatures - Import and add image signatures - Fill PDF form and add e-signatures - Save signatures to cloud for cross-platform use Create PDF - Create PDF with blank, lined, dotted, grid, and graph papers - Combine multiple files/images into one PDF Protect PDF - Password-protect PDFs to restrict opening, editing, and printing - Add or remove watermarks - Add digital signatures Manage Files - Upload, create, rename, move, copy, duplicate, and organize files or folders - Unzip files by simply tapping .zip files - Search for files - Supports two-finger multiple selections and operations - Move files or folders to trash, and find deleted items in the trash - Protect PDF files with a password or unlock protected PDF files - Compress one or multiple files into a zip file Security Space - Protect your privacy by moving files or folders to Security Space - Enable Face ID & Passcode to access your Security Space Import File - Import files from Photos albums - Import files from the Files App - Transfer files from a computer over the same Wi-Fi View files in All Formats - Browse dozens of different file formats including PDFs, Office documents (.doc, .docx, .ppt, .pptx, .xls, .xlsx), Pages, Keynotes, and Numbers with a single app - Open other formats such as text, HTML, XML, Web Archive, Images (JPG, JPEG, GIF, PNG, TIFF, SVG, BMP), video, audio *** Pro Features of In-App Purchase *** - Use UPDF across all platforms including desktops and mobiles - Free Users will get 1 GB of Cloud Storage; Paid users will get 10 GB of Cloud Storage for free - Advanced PDF features such as Convert PDF with OCR, batch process, etc. are available on the desktop - Unlimited use of Scan to PDF (Free trial only scans up to 5 pages) - Unlimited use of Security Space (Trial version stores up to 10 items) - Secure App with passcode/TouchID/FaceID Need help? Email us at support@superace.com

Screenshots

Flexcil Note & Good PDF Reader4 screens
UPDF4 screens

Verdict

The call

The clearest difference is ads: UPDF at none against Flexcil Note & Good PDF Reader's shown. UPDF also leads on review sentiment (84% vs 59%). On price, rating, ratings volume and update cadence 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. Flexcil Note & Good PDF Reader sells 13 one-off in-app purchases and UPDF sells 13 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Flexcil Note & Good PDF Reader against 4.6 for UPDF. Both are backed by a comparable volume of ratings — 412 and 694 respectively. Written reviews are what separate them: 59% of Flexcil Note & Good PDF Reader's written reviews are positive against 84% of UPDF's.

UpkeepUpdate frequency

Flexcil Note & Good PDF Reader ships an update weekly, UPDF fortnightly. Both last shipped on October 25, 2026.

Scorecard2 real differences · 8 level
Flexcil Note & Good PDF Reader versus UPDF: the parameters behind the verdict, then further details
ParameterFlexcil Note & Good PDF ReaderUPDF
PriceFreeFree
Rating4.4 (412 ratings)4.6 (694 ratings) — better
Positive reviews59.3% of reviews84.3% of reviews — better
Number of ratings412694 — better
Update frequencyWeekly — betterFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size228 MB195 MB
Age rating4+4+
DeveloperFlexcil Inc.Superace Software Technology Co., Ltd.

Customer experience

Flexcil Note & Good PDF Reader

All ratings412 ratings
Positive86.2%
Neutral4.4%
Negative9.5%
Written reviews772 reviews
Positive59.3%
Neutral11.9%
Negative28.8%

UPDF

All ratings678 ratings
Positive90.6%
Neutral1.9%
Negative7.5%
Written reviews937 reviews
Positive84.3%
Neutral5.3%
Negative10.4%

User reviews

Flexcil Note & Good PDF Reader

From 412 App Store ratings

What we love

  • 🚀 Best Apps for STUDENTS!!! 😀😀
  • 👍 Love this app
  • 🚀 Powerful multi-page PDF viewer
  • 👍 Great for studying
  • 👍 Excellent app for note taking

Room to improve

  • 🐛 Crashes and performance issues
  • 🐛 Syncing and backup problems
  • 🐛 Buggy handwriting recognition
  • 🐛 Unreliable palm rejection
  • 🐛 Missing key features from previous version

UPDF

From 694 App Store ratings

What we love

  • 🚀 Excellent PDF editor
  • 👍 Intuitive and easy to use
  • 🔒 Secure file management
  • 💡 Powerful features like AI-powered summarization
  • 🚀 Fast and responsive performance

Room to improve

  • 🐛 Occasional crashes or stability issues
  • 💡 Need for more customization options
  • 💡 Lack of integration with third-party cloud storage
  • 🐛 Issues with handwriting recognition and annotation

Bugs and requests

Flexcil Note & Good PDF Reader

Reported bugs

5 issues
  • Sudden data loss and file deletion
  • Inability to restore purchases
  • Frequent app crashes and freezes
  • Inconsistent behavior of undo/redo functions
  • Annotations not exporting correctly

Requested features

6 requests
  • Add iCloud sync and backup
  • Improve handwriting search and recognition
  • Bring back reading mode and one-page scrolling
  • Add more pen and brush options
  • Allow customizing notebook paper styles
Show 1 more
  • Implement auto-save and version control

UPDF

Reported bugs

3 issues
  • Inability to edit text directly in PDF files
  • Inconsistent behavior when switching between devices
  • Occasional loss of editing progress when app is minimized

Requested features

5 requests
  • Add password protection for PDF files
  • Improve file organization and folder management
  • Implement keyboard shortcuts for power users
  • Expand OCR capabilities and text extraction
  • Allow custom signature and stamp imports

In-app purchases

13 purchases

Flexcil Note & Good PDF Reader

One-time13
  • Upgrade product for old usersFree
  • Premium$8.99
  • Flexcil Standard$9.99
Show 10 more
  • 2021-2022 Color Planner$11.99
  • Flexcil NEW Design Planner 22$11.99
  • Premium & Toolbar Skin Pack$12.99
  • Hello Kitty Planner 2022$13.99
  • My Melody & Kuromi Planner 22$13.99
  • Standard & 21-22 Planner Pack$14.99
  • Standard & Design Planner Pack$14.99
  • Standard & 2023 Planner Pack$14.99
  • 2026 Ultimate Planner(Dated) : Pro$15.49
  • Nelna 6-in-1 Planner Bundle$19.99
13 purchases

UPDF

Subscriptions10
  • Monthly Subscription$9.991 Month
  • UPDF AI Unlimited$15.001 Month
  • UPDF AI Standard$15.001 Month
Show 7 more
  • UPDF Pro + AI Unlimited$18.991 Month
  • Quarterly Subscription$19.003 Months
  • Annual Subscription$49.991 Year
  • UPDF AI Standard$69.001 Year
  • UPDF AI Unlimited$79.001 Year
  • UPDF Pro + AI Standard$98.991 Year
  • UPDF Pro + AI Unlimited$118.991 Year
One-time3
  • Perpetual License$79.99
  • Perpetual License$128.99
  • UPDF & AI Add-on for iOS$148.99

Questions

Is Flexcil Note & Good PDF Reader free?
Flexcil Note & Good PDF Reader is free to download, with in-app purchases available.
Is UPDF free?
UPDF is free to download, with in-app purchases available.
Which has better reviews, Flexcil Note & Good PDF Reader or UPDF?
UPDF is rated higher. Flexcil Note & Good PDF Reader averages 4.4 out of 5 from 412 ratings, while UPDF averages 4.6 from 694 ratings.
Do Flexcil Note & Good PDF Reader or UPDF have ads?
Flexcil Note & Good PDF Reader shows ads; UPDF does not.
Which is updated more often, Flexcil Note & Good PDF Reader or UPDF?
Flexcil Note & Good PDF Reader ships an update weekly, and UPDF fortnightly. Most recently, Flexcil Note & Good PDF Reader was updated on October 25, 2026 and UPDF on October 25, 2026.

Other comparisons