OpenHTML vs Orbit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenHTML
View HTML, Markdown, ZIP web projects, and source files privately on your device. Inspect and export rendered pages offline, diagnose rendering issues, and view code files securely. Designed for developers, students, and anyone needing to inspect web content safely.
- View HTML, Markdown, and source files
- Import ZIP archives and web projects
- Offline rendering with network access blocked by default
- Diagnose rendering and resource issues
- Export pages to PDF or long images
- Private by default, no accounts or analytics
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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.
Orbit
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Orbit-S Mobile is the official companion app for controlling and managing your Orbit-S robot over the local network. Key Features: • Teleoperation: Responsive joystick driving with Normal and Turbo speed modes powered by ultra-low latency WebRTC. • Live Camera Stream: Real-time high-definition video feed directly from your robot. • Telemetry & Status: Live battery level, voltage, motor driver status, and system mode indicators. • Face Management: Switch and manage animated robot facial expressions on the fly. • Video Transfer: Stream and upload video files directly to your robot. • SLAM & Navigation: Monitor real-time costmaps and navigation modes. • Local Network Discovery: One-tap local subnet scanning to automatically find and connect to your robots.
Screenshots
Verdict
The clearest difference is in-app purchases: Orbit at none against OpenHTML's 1. Orbit also leads on update cadence (daily vs every 5 days) and iOS requirement (15.1 vs 18.0). On price, ads 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. OpenHTML sells 1 one-off in-app purchase. Orbit asks for nothing beyond the download.
OpenHTML ships an update every 5 days, Orbit daily. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.
| Parameter | OpenHTML | Orbit |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 days | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 19 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | 吉帅 仇 | YAGMUR KENEL |
In-app purchases
OpenHTML
- OpenHTML Pro$0.99
Orbit
No in-app purchases









