Comparison

OpenHTML vs Unicode

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

Head to head
About

OpenHTML

A private, on-device viewer for HTML, Markdown, ZIP web projects, and source files on iOS. Inspect files offline, diagnose rendering issues, and export clean copies. Designed for developers, students, and anyone needing to safely view web content.

Highlights
  • View HTML, Markdown, ZIP archives
  • Offline preview with network access off
  • Diagnose rendering and JavaScript issues
  • Code-friendly reader for JSON, XML, source files
  • Export pages to PDF or long images (Pro)
  • iCloud Drive integration for multi-device access (Pro)
Features
Read full description

OpenHTML is a private, on-device viewer for HTML, Markdown, ZIP web projects and source files on iPhone and iPad. Open files from Files, Mail, chat apps, AI tools or Safari. Preview pages offline, inspect what went wrong when a file does not render, and export finished pages when you need a clean copy. What you can do: - Open .html, .htm, .xhtml and Markdown files - Import ZIP archives and multi-file web projects - Render LaTeX math in Markdown offline, with no scripts - Preview local pages with network access off by default - Diagnose missing files, blocked resources and JavaScript issues - View JSON, XML and source files with a code-friendly reader - Export full pages to PDF or long images with OpenHTML Pro - Keep selected files in your OpenHTML folder in iCloud Drive and open them on your other devices with OpenHTML Pro Private by default: OpenHTML has no accounts, no analytics and no ads. Files are copied into the app's private storage and stay on your device unless you add them to your own OpenHTML folder in iCloud Drive. Remote resources stay blocked unless you choose to allow them for a trusted document. OpenHTML is designed for developers, students, researchers, writers and anyone who receives HTML reports, AI-generated pages, saved webpages or packaged web projects and wants to inspect them safely on iOS.

About

Unicode

Easily find and copy thousands of Unicode symbols organized into categories. Quickly access currency signs, punctuation, mathematical symbols, and more with a clean interface and one-tap copy functionality.

Highlights
  • Thousands of Unicode symbols
  • Organized symbol categories
  • Fast symbol search
  • One-tap copy to clipboard
  • Recently used symbols access
  • Clean user interface
Features
Read full description

Unicode+ is the symbol keyboard for iPhone. Find, copy and type thousands of Unicode symbols, math signs, special characters and glyphs in any app. Need a degree sign, a math symbol, an arrow or a check mark? Search for it or browse by category, tap once to copy, or type it straight from the Unicode+ keyboard without leaving the app you are in. WHAT YOU CAN FIND - Math symbols: plus-minus, square root, pi, infinity, not equal, sum, fractions, superscript and subscript - Signs and special characters: degree, check mark, copyright, trademark, currency signs - Arrows, stars, hearts, shapes and box drawing characters - Greek letters, accented letters, phonetic (IPA) symbols and glyphs FEATURES - Symbol keyboard: type any symbol in Messages, Notes, Mail and more - Fast search by name or keyword - Organized categories that are easy to browse - One-tap copy and paste - Recently used symbols for quick access - Clean, simple design Students, writers, designers, developers and anyone who needs the right character fast will feel at home in Unicode+. Legal : Privacy Policy https://retrytech.site/assets/unicode/privacy-policy.html Terms of Use https://retrytech.site/assets/unicode/terms-of-use.html EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OpenHTML4 screens
Unicode4 screens

Verdict

The call

The clearest difference is review sentiment: OpenHTML at 71% against Unicode's 50%. OpenHTML also leads on rating (5.0 vs 4.8). On price, ratings volume, 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

Both are free to download. OpenHTML sells 1 one-off in-app purchase and Unicode sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

OpenHTML holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews point the same way: 71% of OpenHTML's written reviews are positive against 50% of Unicode's.

UpkeepUpdate frequency

OpenHTML ships an update every 5 days, Unicode every 10 days. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 8 level
OpenHTML versus Unicode: the parameters behind the verdict, then further details
ParameterOpenHTMLUnicode
PriceFreeFree
Rating5.0 (5 ratings) — better4.8 (4 ratings)
Positive reviews71.4% of reviews — better50.0% of reviews
Number of ratings5 — better4
Update frequencyEvery 5 days — betterEvery 10 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.6 — better
Further details — not scored
Size20 MB20 MB
Age rating4+4+
Developer吉帅 仇RETRYTECH LLP

Customer experience

OpenHTML

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

Unicode

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

1 purchases

OpenHTML

One-time1
  • OpenHTML Pro$2.99
2 purchases

Unicode

Subscriptions1
  • Monthly$1.991 Month
One-time1
  • Lifetime$9.99

Questions

Is OpenHTML free?
OpenHTML is free to download, with in-app purchases available.
Is Unicode free?
Unicode is free to download, with in-app purchases available.
Which has better reviews, OpenHTML or Unicode?
OpenHTML is rated higher. OpenHTML averages 5.0 out of 5 from 5 ratings, while Unicode averages 4.8 from 4 ratings.
Do OpenHTML or Unicode have ads?
Neither OpenHTML nor Unicode shows ads.
Which is updated more often, OpenHTML or Unicode?
OpenHTML ships an update every 5 days, and Unicode every 10 days. Most recently, OpenHTML was updated on November 13, 2026 and Unicode on November 10, 2026.

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