Comparison

Viewport vs HTMLens

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

Head to head
About

Viewport

Features
Read full description

Your HTML documents deserve a proper reader. Viewport opens .html and .htm files from Files and iCloud Drive on iPhone and iPad. Read reports, reference pages, and interactive documents with their original inline styles and JavaScript. READ AND INTERACT • Open HTML using the file picker or the system’s Open In menu. • Keep interactive controls and responsive layouts in supported documents. • Hide the reading controls while scrolling and bring them back with a tap. • Search for text in the current document. KEEP USEFUL FILES CLOSE • Return to recently opened documents. • Keep a local reading copy of imported HTML. • Try the bundled interactive sample without an account. EXPORT AND SHARE • Create a PDF with the page as displayed. • Export an A4 PDF using the document’s print layout. • Share the original HTML through the system share sheet. Self-contained HTML works best. Separate companion files are not imported automatically. Documents that load remote resources need an internet connection for those resources. PDF exports are static and do not preserve interactive controls. No account, advertising, or analytics SDKs. The developer does not collect your documents or reading history through the app. HTML you open can contact external services defined by its content; those services have their own privacy practices.

About

HTMLens

Features
Read full description

Quick Look shows many HTML files as a blank or broken page. HTMLens opens them much as a desktop browser would — password-protected statements, pages that need JavaScript, web archives, and documents in legacy encodings — right on your iPhone and iPad. UNLOCK PROTECTED HTML • Type the password into the page and it opens, just like on a computer • Save passwords in the keychain behind Face ID or Touch ID and fill them in with one tap • Request Desktop Site for documents that refuse to open on mobile • Pop-up windows and print buttons work as the page expects PDF STATEMENTS • Open password-protected PDFs with your saved passwords and one Face ID or Touch ID check • See the amount due and due date on Korean PDF statements and add them to your calendar • Find in page, page thumbnails, and dark mode BEAUTIFUL MARKDOWN • Tables, task lists, syntax highlighting, math, and Mermaid diagrams • Jump to any heading from the table of contents • Tap an image to see it full screen MANY FORMATS • Runs the page's JavaScript with WebKit, the engine behind Safari • HTML, XHTML, SVG, Safari web archives, and MHT/MHTML from Chrome, Edge, and Word • Detects legacy encodings such as EUC-KR and Shift_JIS, with a manual override • Loads images and styles from the file's folder PDF, PRINT, AND SHARE • Save as A4 pages or as one long page, or print • Make a PDF that hides the card, account, phone, and ID numbers and email addresses it finds in the page text, then checks the page text again and won't share if a number is left • Text inside images isn't checked, so review the whole PDF before sharing STATEMENT VAULT • Keep unlocked statements and reopen them without the password • Locked with Face ID or Touch ID, encrypted, and stored only on this device • For Korean billing statements it recognizes, shows the amount due and due date and opens a prefilled calendar event COMFORTABLE READING • Dark mode for documents, plus an app theme setting • Find in page and adjustable text size • Recent documents and favorites • iPad split view and drag and drop PRIVATE BY DESIGN No account, and HTMLens doesn't send your documents or passwords to any server. Vault statements open with internet access turned off. REMOVE ADS Remove the banner ad for good with a one-time purchase. Support: ggamistudio@gmail.com

Screenshots

Viewport2 screens
HTMLens4 screens

Verdict

The call

The clearest difference is in-app purchases: Viewport at none against HTMLens's 1. Viewport also leads on ads (none vs shown). On price, device support and iOS requirement 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. HTMLens sells 1 one-off in-app purchase. Viewport asks for nothing beyond the download.

Scorecard2 real differences · 4 level
Viewport versus HTMLens: the parameters behind the verdict, then further details
ParameterViewportHTMLens
PriceFreeFree
Update frequency—Every 3 days
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size5 MB12 MB
Age rating17+4+
DeveloperYU CHEN WANGJaewook Oh

In-app purchases

None

Viewport

No in-app purchases

1 purchases

HTMLens

One-time1
  • Remove Ads$5.99

Questions

Is Viewport free?
Viewport is free to download, with no in-app purchases.
Is HTMLens free?
HTMLens is free to download, with in-app purchases available.
Do Viewport or HTMLens have ads?
HTMLens shows ads; Viewport does not.

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