Comparison

iKnox vs iWriter Pro

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

Head to head
About

iKnox

Securely store and access your passwords, confidential documents, photos, and files with advanced encryption. Protect your sensitive information from loss or theft with robust security features.

Highlights
  • Advanced encryption technologies
  • Double password and multiple keys
  • Biometric recognition (TouchID/FaceID)
  • Secure 'FilesPark' storage
  • Built-in document scanner
  • Import/export flexibility
  • QR-Code generation
Features
Read full description

Protect your Passwords, Confidential Data, Photos and Files, with the most advanced encryption technologies. You will no longer have to worry about remembering all your Passwords, now they will be instantly available and accessible only to you and nobody else. And if you lose your phone or had it stolen? Do not worry, your data are absolutely protected by multiple encryptions and inaccessible by others without your permission. - Maximum data security with double password, multiple keys, double and triple 256-bit AES encryption; - Greater safety with access through biometric recognition (TouchID / FaceID); - A protected storage area, the 'FilesPark', to keep files and images secured using 256-bit AES encryption; - Built-in 'Scanner' to capture text and documents, quickly activated by 3D-Touch; - Maximum flexibility to import and export files, images and data; - Compatible with iPhone and iPad; - Reading and generation of QR-Codes for fast access to WiFi, URL, Contacts, etc.;

About

iWriter Pro

A minimalist text editor with robust Markdown support and distraction-free writing. It offers iCloud sync, live syntax highlighting, and various export options for documents.

Highlights
  • Clean and minimal interface
  • iCloud sync
  • Live Markdown syntax highlighting
  • HTML Preview
  • Typewriter mode
  • Document Browser with tags
  • Export to HTML, PDF, EPUB, DOCX, and more
Read full description

# iWriter Pro is elegant and minimalist text editor with built-in Markdown support. Distraction-free and subscription-free. ## Features: - Clean and minimal interface. - iCloud sync across iPad, iPhone, and Mac¹ devices. - Text editing with live Markdown syntax highlighting. - HTML Preview for Markdown and MultiMarkdown documents. - Typewriter mode² with focusing on line, sentence, or paragraph. - Powerful Document Browser³ with tags support. - Integrated counters for words, symbols, sentences, and paragraphs. - Fast and responsive editing even for large files. ## iWriter Pro supports: - Highlighting and rendering of LaTeX equations. - Flowchart and Mermaid diagrams. - Source code highlight in HTML preview. - Exporting documents as HTML, PDF, RTF, EPUB, LaTeX, and DOCX. - Keyboard shortcuts⁴ for text formatting and quick navigation. - Search and Replace in your documents. - Light and dark layouts (auto-switching included). - Automatic number/bullet/task list formatting. ¹ - iWriter Pro for Mac is available as a separate purchase on the Mac App Store. ² - Typewriter and Focus modes are available only on iPad. ³ - Editing files in Dropbox, Google Drive, and other 3d-party storage providers is not guaranteed. ⁴ - External keyboard is required.

Screenshots

iKnox3 screens
iWriter Pro4 screens

Verdict

The call

The clearest difference is monetization model: iWriter Pro at free against iKnox's paid. iKnox's advantage is iOS requirement (13 vs 26). On price, review sentiment, update cadence and ads 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

iKnox costs $5.99 and iWriter Pro $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 8 level
iKnox versus iWriter Pro: the parameters behind the verdict, then further details
ParameteriKnoxiWriter Pro
Price$5.99$5.99
Rating—4.7 (132 ratings) — better
Positive reviews76.5% of reviews — better68.5% of reviews
Number of ratings—132 — better
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13 — better26
Further details — not scored
Size33 MB20 MB
Age rating4+4+
DeveloperTec4FunSerpensoft Group

Customer experience

iKnox

Written reviews17 reviews
Positive76.5%
Neutral11.8%
Negative11.8%

iWriter Pro

All ratings131 ratings
Positive93.1%
Neutral2.3%
Negative4.6%
Written reviews92 reviews
Positive68.5%
Neutral4.3%
Negative27.2%

Bugs and requests

iKnox

Not enough reviews yet to summarise bugs or requests.

iWriter Pro

Reported bugs

31 issues
  • App crashes and freezes frequently
  • Data loss or corruption during editing/syncing
  • iCloud and Dropbox sync issues
  • Exported DOCX files are not fully compatible
  • Autocorrect option is confusingly named
Show 26 more
  • Cannot rename documents outside of iWriter folder
  • List indentation can be problematic
  • Markdown menus on keyboard have delayed response
  • Automatic dark mode not working after update
  • Mermaid plugin not working with iOS 18
  • Preview barely works
  • App not being updated to fix bugs
  • Developer does not respond
  • Multiline LaTeX not supported
  • App crashes on iPad Pro 2020 after update
  • Conversion to DOCX has restrictions
  • No preview section in settings for plugins
  • Photos cannot be inserted (folder access permission issue)
  • Cannot read images from hidden folders
  • Line breaks in exported documents turn into spaces
  • Formulae not working
  • Occasional rendering bug where text doesn't fill screen
  • App crashes immediately upon opening
  • Google Drive sync issues and inability to open/save files
  • iCloud synchronization consumes too much battery
  • App deletes work for no reason
  • Dropbox connection is poor and leads to conflicts/data loss
  • Font compatibility issues in document names
  • App is very basic and doesn't work well with other Markdown editors
  • Impolite developers
  • App is unstable

Requested features

22 requests
  • Add table support (Markdown)
  • Allow reordering of shortcuts
  • Cycle visibility on headings using Tab
  • Add Mark Set and cut region
  • Wordpress export
Show 17 more
  • Syntax highlighting
  • File tree or explorer in sidebar
  • Regex search
  • Auto dark mode
  • Select and open a folder
  • Obsidian support (hyperlink function)
  • Chinese support
  • Add math input
  • Passcode lock feature
  • Change font color
  • Hybrid/mixed editor/preview mode
  • Automatic backup to Dropbox/other cloud storage
  • Add file opening options in preview mode
  • Enter title edit mode immediately after creating a new file
  • Change shortcut keys from moving cursor to indent
  • Customizable paste symbols
  • Full-text search

In-app purchases

None

iKnox

No in-app purchases

None

iWriter Pro

No in-app purchases

Questions

Is iKnox free?
iKnox costs $5.99, with no in-app purchases.
Is iWriter Pro free?
iWriter Pro costs $5.99, with no in-app purchases.
Do iKnox or iWriter Pro have ads?
Neither iKnox nor iWriter Pro shows ads.
Which is updated more often, iKnox or iWriter Pro?
iKnox ships an update every 3 months, and iWriter Pro every 3 months. Most recently, iKnox was updated on November 1, 2026 and iWriter Pro on November 6, 2026.

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