Spectraless vs HTML Viewer (013653)
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Spectraless
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Spectraless is a Safari extension for removing the Spectral font from Substack newsletters in order to improve their readability. It works on newsletters that use the substack.com domain as well as those using custom domains.
HTML Viewer (013653)
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Every HTML file you generate with AI deserves a proper home โ and a proper canvas. HTML Viewer is the studio built for the age of AI-generated code. Whether you're creating dashboards, prototypes, or data visualizations from any AI assistant or large language model, this app gives your HTML artifacts the full-fidelity rendering environment they deserve. IMPORT FROM FILES, INSTANTLY Bring in any HTML file straight from the Files app โ iCloud Drive, local storage, or any connected provider. No copy-pasting, no workarounds. Tap, import, and render. ORGANIZED THE WAY YOU WORK Build a nested folder structure and manage all your HTML files in a collapsible file tree. When it's time to focus, one tap hides the entire sidebar and expands the canvas to fill your screen. TABS AND SPLIT VIEW Open multiple HTML files at once with a clean tabbed interface, or activate split view to compare two files side by side. Perfect for reviewing iterations, design variations, or before-and-after states across your projects. YOUR FILES, YOUR DEVICE Everything stays on your device. No uploads, no remote servers, no accounts required. Your files are stored privately on-device by default. HTML Viewer is the tool that was missing from every AI-assisted workflow. Download it today and give your artifacts a studio-grade home.
Screenshots
Verdict
Spectraless and HTML Viewer (013653) are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Spectraless | HTML Viewer (013653) |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac โ better | iPhone, iPad |
| Requires iOS | 18.5 | 18.0 โ better |
| Further details โ not scored | ||
| Size | 0 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | Jeremy Kanter | Naoya Yamashita |
In-app purchases
Spectraless
No in-app purchases
HTML Viewer (013653)
No in-app purchases
Questions
Is Spectraless free?
Is HTML Viewer (013653) free?
Do Spectraless or HTML Viewer (013653) have ads?
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