Comparison

HEX Editor vs PDFReader

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

Head to head
About

HEX Editor

View and edit the raw data contents of any file in hexadecimal or ASCII format. Offers robust search, replace, and navigation features for precise file manipulation. Easily manage, save, and export your edited files.

Highlights
  • Edit in HEX or TEXT mode
  • Switch between HEX, TEXT, or both views
  • Search and replace HEX/TEXT
  • Insert and delete bytes
  • Jump to specific byte locations
  • Save and export files
  • File manager with preview
Features
Read full description

** Featured in Editor's Picked by Best10Apps.com ** HEX Editor iOS App allows you to view & edit the raw data contents of a file. The data of the file are represented in two columns; hexadecimal paired values & ASCII characters. HEX Editor supports editing & viewing on all types of file (regardless of OS platform). With its simple UI yet packed with features, editing any type of files on-the-go will be effortless. Features include: 1. Supports editing in both HEX or TEXT mode concurrently. 2. Switch views between HEX only, TEXT only or both views anytime while editing a file. 3. Search function supports both for HEX & TEXT mode. Users are now able to select "Find Next", "Replace" once, or "Replace All". In addition, "Exact Match" or "Case Insensitive" search options are added. Note** - replacing bytes will results in adding or removing of bytes IF number of bytes you are replacing is different from the number of bytes you are searching. i.e. if you search "00FF" & replace with "AA01FF", this will automatically insert the additional byte to the file. If you search "editor" & replace with "edit", this will automatically delete the unwanted 2 bytes. 4. Move easily between bytes while editing via the "Prev" & "Next" buttons on the keyboard. 5. Insert & delete any number of bytes at any given locations are supported. 6. "Jump to.." any location of the file easily by specifying the byte number to go to. 7. "Save" or "Save as" edited files are supported. 8. Export files via email or Files App instantly within App. 9. File manager allows user to rename, delete, and preview all files inside the App's document folder. 10. From the preview view, users will have the options to export or open the files via any other installed App that supports that particular type of files or do other useful supported actions for example.. if the file is "PDF", user can export & open this file in iBooks, print to any air print printer, email file, export to Files, export to PDF Assembler, etc. 10a. Use AirDrop feature to share files with others or to import files from other iOS device! 11. Theme selector will allow you to choose the color theme while in edit mode. This will help many users to choose colors that are best for their eyes only i.e. black background with white text, etc. 12. Web downloader will allow users to download files from the internet or LAN. 13. Media importer will allow users to import raw photos & videos from the photo library. 14. Uploader will allow users to upload files to the App's document folder via the built-in web based file-server. You can switch on this service on your device & point your PC or Mac web browser to the given IP address & start uploading your files. 15. Import any files from your iCloud Files is also supported. 16. Import any files from your email attachments or any other installed Apps that supports file sharing via the "Open in.." feature. Please email us for suggestions, comments or any bug reports at info@appkan.my & kindly spare some time to rate this App in the App Store to show your support. We appreciate if user can contact us directly at the email above for any issues & we for sure needs all the information from users in order for us to troubleshoot the issues. Thank you & Enjoy! IMPORTANT NOTES : Editing the raw content of a file may rendered the file to be useless. Make sure you know what your are editing & we shall not be held responsible for any kind of damages to the system or software due to the use of this App.

About

PDFReader

Features
Read full description

QPdfReader is an AI PDF Assistant that helps you understand documents in seconds. Upload a PDF and receive an automatic AI summary. Ask follow-up questions, translate important passages, and find the details that matter without reading every page. AI PDF Assistant • Instant AI Summary Turn long reports, contracts, articles, and study materials into a clear structured summary with key points, important details, action items, and open questions. • Chat with PDF Ask questions about a document and get context-aware answers based on its content. • Translate Documents Translate selected document content while preserving its meaning and context. • Find Key Details Faster Use AI to identify decisions, commitments, dates, tasks, and essential takeaways. Built for Reading • Open and read PDFs and supported document formats • Browse, search, and organize your files • Keep working with your documents in a focused reading experience PDF Tools When You Need Them Editing, signing, marking, exporting, and sharing tools are available from More, so the main flow stays focused on understanding your document first. For Students, Professionals, and Researchers QPdfReader is made for anyone reviewing research papers, study materials, business reports, contracts, or other important documents. Subscription QPdfReader offers optional subscriptions for expanded AI usage. Free AI usage is limited. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage subscriptions in your Apple ID account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

HEX Editor4 screens
PDFReader4 screens

Verdict

The call

The clearest difference is price: PDFReader at Free against HEX Editor's $2.99. HEX Editor's advantage is in-app purchases (none vs 2) and ads (none vs shown). On 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

PDFReader is free to download; HEX Editor costs $2.99 up front. PDFReader sells 2 in-app purchases, starting at $9.99 per month. HEX Editor asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 5 level
HEX Editor versus PDFReader: the parameters behind the verdict, then further details
ParameterHEX EditorPDFReader
Price$2.99Free — better
Rating1.7 (24 ratings) — better—
Positive reviews23.7% of reviews—
Number of ratings24 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better18.6
Further details — not scored
Size4 MB14 MB
Age rating4+4+
DeveloperaZeR DiLLs克 谢

In-app purchases

None

HEX Editor

No in-app purchases

2 purchases

PDFReader

Subscriptions2
  • Monthly Pro$9.991 Month
  • Yearly Pro$49.991 Year

Questions

Is HEX Editor free?
HEX Editor costs $2.99, with no in-app purchases.
Is PDFReader free?
PDFReader is free to download, with in-app purchases available.
Do HEX Editor or PDFReader have ads?
PDFReader shows ads; HEX Editor does not.
Which is updated more often, HEX Editor or PDFReader?
HEX Editor ships an update every 2 months, and PDFReader every 2 months. Most recently, HEX Editor was updated on October 23, 2026 and PDFReader on October 28, 2026.

Other comparisons