Sentinel Config vs Html Preview
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sentinel Config
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Configuration tool for the new Sentinel product line. Sensor Configuration Settings: Wi-Fi network, data server IP address, sampling period, connection period (ultra low power mode), DHCP or static IP.
Html Preview
Quickly view any HTML file on your iPhone or iPad. Share files from any app or browse your device to instantly render web pages, AI reports, or email attachments. Enjoy a private, ad-free experience with a history of your viewed files.
- Share Extension for instant previews
- Zero-delay instant rendering
- History with source app tracking
- Support for multiple encodings
- Dark Mode support
- File picker for local browsing
- Privacy-focused, no ads or analytics
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Open any HTML file on your iPhone in seconds. Html Preview is the simplest way to view HTML files shared from any app. Whether it's a report from ChatGPT, a page saved from Safari, or an attachment from WeChat — just tap Share and preview it instantly. KEY FEATURES • Share Extension — Open HTML files directly from any app using the iOS Share Sheet • Instant Rendering — Pre-warmed WebView engine loads content with zero delay • History — Recent files with source app tracking (knows if it came from WeChat, ChatGPT, Mail, etc.) • Multiple Encodings — Supports UTF-8, Windows-1252, and ISO Latin-1 • Dark Mode — Beautiful warm UI that adapts to your system appearance • File Picker — Browse and open HTML files from the Files app • Privacy First — No ads, no analytics, no data collection. Everything stays on your device. PERFECT FOR • Viewing HTML reports generated by AI assistants (ChatGPT, Claude, Gemini) • Previewing web pages shared via messaging apps (WeChat, Telegram, WhatsApp) • Opening HTML email attachments • Checking HTML files from cloud storage (iCloud, Google Drive, Dropbox) • Developers previewing HTML mockups on mobile Html Preview supports .html, .htm, and .xhtml files.
Screenshots
Verdict
The clearest difference is price: Sentinel Config at Free against Html Preview's $2.99. Sentinel Config also leads on iOS requirement (12.0 vs 17.0). Html Preview's advantage is update cadence (every 6 days vs every 5 months). On ads, 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
Sentinel Config is free to download; Html Preview costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Sentinel Config ships an update every 5 months, Html Preview every 6 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.
| Parameter | Sentinel Config | Html Preview |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | — | 4.7 (11 ratings) — better |
| Positive reviews | — | 87.5% of reviews |
| Number of ratings | — | 11 — better |
| Update frequency | Every 5 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 18 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Aginova Sarl | CyberGame Limited |
In-app purchases
Sentinel Config
No in-app purchases
Html Preview
No in-app purchases
Questions
Is Sentinel Config free?
Is Html Preview free?
Do Sentinel Config or Html Preview have ads?
Which is updated more often, Sentinel Config or Html Preview?
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