Comparison

PDF Reader & Editor | Xodo vs Cellcrypt Federal

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

Head to head
About

PDF Reader & Editor | Xodo

Edit, sign, convert, and organize PDF documents with a comprehensive suite of tools. Seamlessly scan images to PDF, integrate with cloud storage, and protect your files. Offers a user-friendly interface for all your document management needs.

Highlights
  • Edit and annotate PDFs
  • Scan images to PDF
  • Fill and e-sign forms
  • Convert between PDF and other formats
  • Compress and flatten PDFs
  • Cloud storage integration
  • Password protection
Features
Read full description

Transform your PDFs. Get your work done quickly with Xodo's all-in-one PDF editor and reader with 30+ features - all available on your iPhone or iPad. Safely store and sync your files on your iCloud, OneDrive, Google Drive and Dropbox so you can easily view, edit, convert, e-sign and compress your files anytime, anywhere on your device. Edit PDFs: Intuitive, easy-to-use PDF editor for any user in mind. • Compress PDF: Quickly reduce PDF file size for ease of sharing • Flatten PDF: All annotations in PDF like fillable forms will be locked and merged into a single layer for protection • Rotate & crop PDF: Add, remove, rearrange, rotate, crop PDF pages with ease • Split & extract PDF: Instantly split PDF or extract pages to a new PDF file • Create new PDF: Create PDFs from scratch or use one of our ready-made templates and edit file Scan PDFs: Seamlessly scan images and save as PDFs. • PDF scanner: Scan image with your camera or open an existing image or file and save as a new PDF • Edit scanned PDF: Edit, annotate, send your documents to iCloud, share via AirDrop, or any available app on your device Fill & Sign PDF Forms: Fill out, sign, and share your PDF forms. • Create your e-signature: E-sign your documents by hand or type in your signature, and save to reuse for later • Stylus-friendly: Supports Apple Pencil Convert PDFs: Convert files to PDF in seconds. • PDF converter: Convert any MS Office (Word, Excel, PowerPoint) to PDF, iWork (Pages, Numbers, Keynote) to PDF • Additional file formats: Convert JPG to PDF, PNG to PDF, PDF to JPG, PDF to PNG View & print PDFs: Quick and convenient PDF reader for e-books, reports, digital planner. • Viewing mode: View in light, dark, and sepia color modes for comfort reading • Bookmark feature: Tag your favorite PDF pages • Multiple tabs: Use tabs to work across multiple PDF documents • Print PDFs directly from your device • Fully searchable text: Search text within PDF to save time Annotate & Draw PDFs: Utilize Xodo's annotation tools configured to you. • Fully-featured mark-up tools: Add images, links, stamp or highlight text directly on PDF documents • Arrange pages: Thumbnail browser for deleting pages, extracting, and inserting pages • Scrolling mode: See all annotations at a glance with the touch of your finger Store & Manage Files Securely: Integrate with popular cloud apps and safely store your important files so you can pick up where you left off. • Built-in file manager: Rename, copy, move, or delete docs and folders locally • Cloud integration: Sync your files directly on iCloud, OneDrive, Google Drive and Dropbox to view in multiple devices • Protected features: Protect your PDF files with password encryption and unlock your protected PDF with PDF password remover tool Upgrade to Xodo Mobile Subscription: Get unlimited access to all 30+ tools with custom toolbar for quick access. • Free trial available in supported regions • Convert PDF to MS Office (Word, Excel, PowerPoint) • Remove sensitive content with PDF Redaction tool • High compression file size • Easily merge multiple documents to a single PDF • Create fillable PDF forms to fill out and sign while you're on the go • Support Smart pen to streamline and enhance note taking experience • Annotate in Reader mode - When viewing a PDF in reader mode, you can highlight, underline and strikeout text. • View and manage files with nesting layers - PDFs that include multi-level layers can be viewed individually • Scanned images can save as PDFs with searchable text (OCR) option • Flexible monthly and annual subscription options • Cancel anytime For Support and Feedback: support@xodo.com Visit Homepage: xodo.com Xodo is powered by Apryse | https://apryse.com

About

Cellcrypt Federal

Features
Read full description

SECURE COMMUNICATIONS WITH POST-QUANTUM PROTECTION *Can only be used with a Valid Enterprise Licence.* End-to-End Encryption with Post-Quantum Protection for Secure Voice, Video, Messaging, and File Transfers Protecting Sensitive to Highly Classified Government Communications Worldwide. Secure Instant Messaging Need to send a large file (500MB+) securely? No Problem. Cellcrypt Federal delivers military-grade encryption for private messaging, facilitating the seamless and secure exchange of files and ideas. Share photos, videos, voice notes and files effortlessly. Each message and file you send is safeguarded by a unique encryption key, providing unparalleled end-to-end security. Cellcrypt Federal enhances your collaborative efforts by allowing the creation of group chats for private messaging and file sharing directly within the app. These features boost productivity and foster secure, efficient communication within your enterprise. Secure Voice and Video Calls Calls are safeguarded with end-to-end encryption and signal obfuscation, providing the highest level of security through your mobile device's data connection. But it's not just about securing your calls; it's about enhancing your communication experience. Cellcrypt Federal's cutting-edge phone call encryption codecs ensure high-definition call quality, optimizing data and battery usage even across the most austere, low-bandwidth, mobile/wireless networks. Cellcrypt Federal supports secure calling over an extensive range of IP-based networks, including Wi-Fi, 5G, 4G/LTE, 3G/HSDPA, and satellite networks. Mutual authentication of all call participants eliminates any potential risks associated with Caller ID spoofing and Man in The Middle (MITM) attacks. Secure Conference Calls A conference bridge can be established instantly by creating a group of contacts and hitting the call button. With only mutually authenticated, authorized users, Cellcrypt Federal conference calls eliminate the need for participant PINs and passwords. Work Anywhere, on Any Device Cellcrypt Federal can be downloaded instantly for immediate use with no additional hardware dependencies. End-to-End Encryption Cellcrypt Federal uses double-layer encryption in an end-to-end configuration, with a new key for every call and message. The system is modular and adheres to best practice cryptographic standards/protocols, powered by a robust crypto core. With Cellcrypt Federal, data is secured end-to-end using advanced Elliptic Curve and Symmetric-Key Cryptography. For post-quantum protection, the underlying cryptography is overlaid with state-of-the-art Post-Quantum Cryptography algorithms for voice, video, messaging, and file transfers. International Security Standards Cellcrypt Federal is designed to meet the highest international security standards and is trusted by governments worldwide for protecting their most sensitive communications. Developed by an international team across multiple countries, Cellcrypt Federal represents a truly global solution for secure communications.

Screenshots

PDF Reader & Editor | Xodo4 screens
Cellcrypt Federal4 screens

Verdict

The call

The clearest difference is in-app purchases: Cellcrypt Federal at none against PDF Reader & Editor | Xodo's 7. Cellcrypt Federal also leads on update cadence (every 8 days vs every 3 weeks) and iOS requirement (13.0 vs 16.0). 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. PDF Reader & Editor | Xodo sells 6 in-app purchases, starting at $11.99 per month. Cellcrypt Federal asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Reader & Editor | Xodo ships an update every 3 weeks, Cellcrypt Federal every 8 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Reader & Editor | Xodo versus Cellcrypt Federal: the parameters behind the verdict, then further details
ParameterPDF Reader & Editor | XodoCellcrypt Federal
PriceFreeFree
Rating4.4 (1.7K ratings) — better—
Positive reviews55.5% of reviews—
Number of ratings1.7K — better—
Update frequencyEvery 3 weeksEvery 8 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size104 MB240 MB
Age rating4+4+
DeveloperXodo Technologies Inc.Cellcrypt Inc.

Bugs and requests

PDF Reader & Editor | Xodo

Reported bugs

5 issues
  • Disappearing annotations
  • Inability to open saved files
  • Frequent crashes and freezes
  • Syncing issues with cloud storage
  • Incompatibility with iOS 14 updates

Requested features

6 requests
  • Add manual zoom percentage
  • Improve Apple Pencil support
  • Implement better page navigation
  • Allow exporting annotations
  • Add split-screen support on iPad
Show 1 more
  • Improve text editing and alignment

Cellcrypt Federal

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

PDF Reader & Editor | Xodo

Subscriptions6
  • Xodo Mobile (Monthly)3 Days trial$11.991 Month
  • Xodo PDF Converter & Editor3 Days trial2 variants$11.991 Month
  • Xodo PDF Converter & Editor3 Days trial$39.991 Year
Show 3 more
  • Xodo Mobile (Yearly)1 Year trial$107.991 Year
  • Xodo Mobile (Yearly)7 Days trial$107.991 Year
  • Xodo Pro (Yearly)7 Days trial$107.991 Year
None

Cellcrypt Federal

No in-app purchases

Questions

Is PDF Reader & Editor | Xodo free?
PDF Reader & Editor | Xodo is free to download, with in-app purchases available.
Is Cellcrypt Federal free?
Cellcrypt Federal is free to download, with no in-app purchases.
Do PDF Reader & Editor | Xodo or Cellcrypt Federal have ads?
Neither PDF Reader & Editor | Xodo nor Cellcrypt Federal shows ads.
Which is updated more often, PDF Reader & Editor | Xodo or Cellcrypt Federal?
PDF Reader & Editor | Xodo ships an update every 3 weeks, and Cellcrypt Federal every 8 days. Most recently, PDF Reader & Editor | Xodo was updated on November 1, 2026 and Cellcrypt Federal on November 3, 2026.

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