PDF Max vs Right PDF Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Max
This app allows you to read, annotate, and sign PDF documents on your mobile device. You can mark up text, add handwritten notes, insert stamps, fill out forms, and manage PDF pages. It also offers robust file management and cloud integration for seamless access to your documents.
- Read and annotate PDFs
- Fill and sign PDF forms
- Handwriting and text markup
- Manage PDF pages
- Cloud storage integration
- Voice annotations
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PDF Max is a complete PDF editor for iPhone, iPad, and Mac, trusted by millions of people since 2012. From signing a form to building research you can verify, PDF Max helps you edit, annotate, organize, understand, study, protect, and deliver PDFs—all in one app. YOUR PDF. NOW A WORKSPACE. Collect important passages, highlights, images, tables, formulas, and notes as Cards beside your PDFs. Every Card remembers where it came from, so you can return to the original page whenever you need the full context. • Search, tag, connect, and arrange your Cards • Gather related Cards into named groups called Frames • Organize evidence from several PDFs without merging them • Compare passages side by side or view your evidence as an Outline or table • Present Frames or export your work to Markdown, PDF, or Word STUDY WHAT MATTERS Turn trusted Cards into Questions, practice a focused topic, or use scheduled Study for long-term review. Track your Progress, study text and visual material, and return to the supporting PDF whenever an answer needs more context. On supported devices, Apple Intelligence can draft Questions for you to review before saving. EDIT, ANNOTATE, FILL, AND SIGN • Edit existing text, typography, images, links, shapes, and tables • Add, replace, crop, align, rotate, and arrange content • Remove image backgrounds and automatically crop subjects • Highlight, underline, strike through, draw, stamp, and comment • Add text boxes, callouts, notes, shapes, and threaded comments • Complete forms, find missing required fields, and add reusable signatures • Create and edit text, checkbox, radio, dropdown, signature, date, and image fields • Permanently redact text, areas, pages, or search results SCAN, READ, AND UNDERSTAND • Scan paper with automatic capture, edge detection, cleanup, crop, filters, and page reordering • Make scans searchable with optional OCR • Turn selected images into polished PDFs • Reflow fixed or scanned pages into a comfortable reading column • Keep figures beside the text they explain • Customize reading theme, typography, spacing, margins, and alignment • Translate supported languages and listen with on-device Read Aloud • Keep selected passages and useful context with Focus View VOICE NOTES THAT STAY ON THE PAGE • Place and play audio notes anywhere in a PDF • Create searchable on-device transcripts when the required speech model is available MAKE FLAT FORMS FILLABLE • Detect likely text, checkbox, and signature fields in flat or printed forms • Review every detected field before applying it • Use Form Assist to review suggested answers from your encrypted profile EVERY PDF TOOL IN ONE PLACE • Reorder, rotate, insert, duplicate, replace, extract, merge, split, or delete pages • Compress PDFs while preserving selectable text and vector graphics • Resize mixed pages to standard paper sizes • Add page numbers, N of M, Roman numerals, letters, or Bates numbering • Add or remove an open password • Create and edit PDF outlines and bookmarks • Recognize text with OCR and convert Word documents to PDF • Create PDFs from paper, journal, planner, graph, and project templates • Present PDF pages or Workspace Frames full screen • Save, print, flatten, share, or export the finished result Join more than 25 million downloads worldwide and move from document to outcome with PDF Max. Some advanced features require PDF Max PREMIUM. PDF MAX PREMIUM SUBSCRIPTION Payment will be charged to your Apple Account when the purchase is confirmed. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current subscription period. You can manage or cancel your subscription in your Apple Account settings. Any unused portion of a free trial will be forfeited when a subscription is purchased, where applicable. Privacy Policy: https://mobeera.ai/privacy Terms: https://mobeera.ai/terms
Right PDF Reader
This application provides robust PDF viewing, annotation, and management tools. It allows users to organize, share, and sign documents with a user-friendly interface and advanced features.
- Fast PDF viewing
- Annotation tools (highlight, draw, text)
- Document organization with folders
- Cloud storage integration (Dropbox, WebDAV)
- Handwritten signature creation
- Form filling
- Password protection
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Right PDF Reader goes beyond a free PDF reader app. Created by a team of professionals in the PDF software business since 1993, Right PDF Reader has a simple UI that is easy to navigate and more features than average free readers. PDF Viewing - Fast document open speed - Browse lets you view PDFs in the device or iCloud - Supported thumbnail view - View PDF portfolio, comment, attachment and protected document - Single page view or continuous view available - Fit page width or whole page are also available under single page view - Use Day/Night mode to adjust brightness - After tapping page number, you can enter a number and jump to that page directly. - Quickly add and edit Bookmarks and Marks - Search document Note and Comments - Use highlight, cross-out and underline to annotate PDF with customizable color and opacity - Note lets you to add text comment anywhere in PDF - Use Draw Tools to mark up PDF with color, thickness and opacity of your choice. Move and undo are also supported - Batch remove comments Document Management - Create folder to organize PDFs better - Move or copy multiple documents to a folder - Compress multiple documents or folders, or extract any package quickly - Rename document - Attach one or multiple PDFs to an e-mail - Select and delete multiple documents Online Sharing - Get documents in and out of Dropbox - Add WebDAV servers to upload/download documents easily - Access documents in Gaaiho PDF online or upload documents directly to the app (permissions required), breaking the barrier between computer and your iPhone/iPad Handwritten signature - You can create a handwritten signature by drawing, using an image, or taking a photo - Sign anywhere in document Other Features - Fill a form - Use “open in” to share PDF files with other applications - Auto-memorize the point you quitted reading last time - Protect PDF with an open password - Print document
Screenshots
Verdict
PDF Max and Right PDF Reader both sit at 4.5 stars, but that hides the real split: 92% of Right PDF Reader's written reviews are positive against 35% of PDF Max's. Right PDF Reader also leads on in-app purchases (none vs 10) and iOS requirement (14.0 vs 18.0). PDF Max's advantage is update cadence (monthly vs every 11 months) and ratings volume (1.2K vs 5). On price, rating, 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
Both are free to download. PDF Max sells 10 in-app purchases, starting at $1.99 per 7 days. Right PDF Reader asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for PDF Max against 4.6 for Right PDF Reader. That said, the two scores are not equally well evidenced: PDF Max has 1.2K ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 35% of PDF Max's written reviews are positive against 92% of Right PDF Reader's.
PDF Max ships an update monthly, Right PDF Reader every 11 months. The most recent releases landed on October 2, 2026 and September 27, 2026 respectively.
| Parameter | PDF Max | Right PDF Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (1.2K ratings) | 4.6 (5 ratings) — better |
| Positive reviews | 35.4% of reviews | 92.3% of reviews — better |
| Number of ratings | 1.2K — better | 5 |
| Update frequency | Monthly — better | Every 11 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 266 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Mobeera | ZEON Corp |
Customer experience
PDF Max
Right PDF Reader
Bugs and requests
PDF Max
Reported bugs
4 issues- Disappearing documents and annotations
- Incompatibility with newer devices
- Crashes on launch
- Unreliable file saving
Requested features
5 requests- Dark mode option
- Ability to edit/delete annotations
- Better integration with cloud storage
- Split-screen viewing for PDFs
- Improved handwriting recognition
Right PDF Reader
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Max
- Premium Subscription (1 week)$1.997 Days
- One year premium$34.991 Year
- Yearly Onboarding Offer7 Days trial$34.991 Year
- Standard Annotating Package$0.99
- Cloud Access Package$1.99
- Advanced Annotating Package$3.99
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- Form Filling Package$3.99
- Pro Package$4.99
- Premium Package (Update)$4.99
- Premium Package (New User)$9.99
Right PDF Reader
No in-app purchases








