Unit Converter vs HTML Viewer & CSS Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter
This free unit converter offers over 40 categories and 200+ currencies with live exchange rates. It features batch conversion, offline functionality, and a user-friendly interface with dark mode. All features are permanently free with no sign-up or data collection.
- 40+ conversion categories
- 200+ currencies with live rates
- Batch conversion
- Offline functionality
- Dark mode
- CSV export
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ConvertMaster is a completely free, ad-free unit converter. Launch and go. No sign-up. No data collection. All 40 categories are permanently free. No paywalls. ALL FEATURES FREE FOREVER: • 40 categories — currency, length, weight, area, volume, temperature, speed, time, pressure, energy, power, data storage, cooking, angle, fuel, force, torque and more • 200+ currencies with live exchange rates, updated hourly • Currency picker with search — find any currency instantly • Multilingual currency names (CLDR standard) • Home page ranks categories by your usage frequency • Restores your last-used category on launch • Batch convert — enter multiple values, see all results instantly • CSV export for batch results • Metric and imperial side by side • Scientific notation for extreme values • Dark mode • 100% offline (except live currency rates) No account. No sign-up. No data collection. No internet required (except live rates). Most converters limit their currency list or lock categories behind paywalls. ConvertMaster gives you everything — 200+ currencies with search, 40 categories — all for free, forever. Voluntary support available in app — optional, never nagged. No data collected. No tracking. No sharing. Your numbers, on your device only.
HTML Viewer & CSS Editor
Visually customize web pages in real time without coding. Experiment with layouts, change text, adjust styles, and swap images instantly. Save and export your design prototypes for sharing or reference.
- Edit text instantly
- Customize colors and styles
- Replace images
- Live visual editing
- Save and export designs
- Simple and intuitive interface
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Edit HTML pages visually with live previews. Editra is a powerful HTML viewer and visual editor that lets you inspect, preview, and customize web pages without complicated tools. Open HTML files, edit text, change colors, replace images, adjust styles, and instantly see your changes. Whether you're learning web design, prototyping layouts, or experimenting with HTML and CSS, Editra provides an intuitive editing experience with real-time previews. FEATURES • HTML Viewer Open and preview HTML files with a fast and responsive interface. • Visual HTML Editor Edit page content without manually modifying source code. • Inspect Page Elements Select page elements and quickly customize their content and appearance. • Edit Text Change headings, paragraphs, buttons, and other text instantly. • Customize CSS Styles Modify colors, fonts, spacing, borders, backgrounds, and other visual styles. • Replace Images Preview different designs by swapping images directly on the page. • Live Preview See every change immediately while editing. • Save Projects Store your work and continue editing later. • Export Your Work Export edited projects for sharing or future reference. • Clean Interface Designed for speed, simplicity, and productivity. PERFECT FOR • Web designers • Front-end developers • Students learning HTML & CSS • UI/UX designers • Website prototyping • HTML experimentation • Design previews EDITRA PRO Unlock premium features: • Unlimited projects • Unlimited exports • Advanced editing tools • Premium customization options • Ad-free experience IMPORTANT Editra is intended for visual editing, learning, and prototyping. Changes are applied locally within the app and do not modify live websites or remote web content. Privacy Policy: https://redizeuz.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Subscription Information • Editra Pro Weekly — $4.99/week • Editra Lifetime — One-time purchase Payment will be charged to your Apple ID account at confirmation of purchase. Weekly subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. Manage or cancel subscriptions anytime in your Apple ID account settings.
Screenshots
Verdict
The clearest difference is review sentiment: Unit Converter at 100% against HTML Viewer & CSS Editor's 50%. Unit Converter also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, update cadence, in-app purchases 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
Both are free to download. Unit Converter sells 2 one-off in-app purchases and HTML Viewer & CSS Editor sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Unit Converter ships an update every 10 days, HTML Viewer & CSS Editor every 6 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.
| Parameter | Unit Converter | HTML Viewer & CSS Editor |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.4 (5 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 10 days | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 25 MB | 15 MB |
| Age rating | 9+ | 4+ |
| Developer | 磊 刘 | Ebenezer Oteng |
Customer experience
Unit Converter
HTML Viewer & CSS Editor
In-app purchases
Unit Converter
- Unit Conversion Standard Version$2.99
- Unit Conversion Pro Edition$5.99
HTML Viewer & CSS Editor
- Premium Weekly$4.997 Days
- editra monthly pro$7.991 Month
- Yearly Subscriptions$19.991 Year
- Lifetime access$14.99
Questions
Is Unit Converter free?
Is HTML Viewer & CSS Editor free?
Do Unit Converter or HTML Viewer & CSS Editor have ads?
Which is updated more often, Unit Converter or HTML Viewer & CSS Editor?
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