Html Preview vs Jozai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Jozai
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See at a glance whether OpenAI, Anthropic, Google, and other AI services are up or down, right from your lock screen or home screen widget. • See up to 5 services at once (Operational / Minor issue / Outage) • Get notified when a service goes down or recovers (local, on-device notification — not sent from any server) • Add, remove, and reorder monitored services freely • OpenAI, Anthropic, and Google Cloud are monitored by default; add any other service • New services are tested on add, so invalid URLs are rejected • Choose your display language: follow device, Japanese, or English Notification timing depends on iOS background execution and power-saving behavior, so there may be a delay of a few minutes to tens of minutes after an outage occurs. Open the app anytime to see the latest status instantly. This app has no backend server — it connects directly from your device to each service's public status API. No personal data or usage logs are collected. This is an unofficial tool and is not affiliated with any of the services it monitors.
Screenshots
Verdict
The clearest difference is price: Jozai at Free against Html Preview's $2.99. On update cadence, 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
Jozai is free to download; Html Preview costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Html Preview ships an update every 6 days, Jozai every 8 days. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.
| Parameter | Html Preview | Jozai |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.7 (11 ratings) — better | — |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 6 days — better | Every 8 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | CyberGame Limited | kondo ryohei |
In-app purchases
Html Preview
No in-app purchases
Jozai
No in-app purchases









