SpinFire Insight vs OpenFile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpinFire Insight
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Built as a companion to SpinFire Insight, SpinFire Insight for Mobile extends access to 3D engineering data beyond the desktop, making it easier to review and understand product information anywhere. The app supports standard 3D formats such as STEP, IGES, and PRC, as well as 3D PDF and U3D. Users can explore 3D models, access CAD views, review PMI (Product Manufacturing Information), inspect metadata, apply standard views, and switch rendering modes for the best viewing experience. SpinFire Insight for Mobile helps teams access and review product data on the go, whether for quick design review, better communication, or easier access to engineering information away from the workstation. Key Features: • Read ACT3D files created in SpinFire Insight • Open standard 3D formats including STEP, IGES, and PRC • View publishing formats including 3D PDF and U3D • Navigate 3D models using intuitive touch interactions • Access CAD views • View PMI (Product Manufacturing Information) • Inspect model metadata • Apply standard views • Change rendering modes for different visualization needs
OpenFile
Instantly preview over 100 file formats on your iPhone or iPad without uploads or accounts. Explore 3D models, code, documents, databases, and more with built-in developer tools for advanced file analysis. Prioritizes privacy with on-device processing.
- Preview 100+ file formats
- On-device processing, no uploads
- Interactive 3D model viewer
- Syntax highlighting for code
- Browse and query SQLite databases
- Built-in developer tools (Hex Inspector, Compare Files)
- Integrates with Files app and Share Sheet
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Open, preview, and explore over 100 file formats — right on your iPhone or iPad. No uploads, no account, no setup. Just tap a file and see it instantly. RICH FORMAT PREVIEWS Every format gets a purpose-built viewer: • 3D Models — Rotate and zoom glTF, OBJ, STL, PLY, and more in an interactive viewer • Code — Syntax highlighting for Swift, Python, JavaScript, TypeScript, Rust, Go, and 20+ languages • Databases — Browse SQLite tables, run SQL queries, and explore schema • Documents — Read PDFs, EPUB books, Word, Excel, and PowerPoint files • Archives — Explore ZIP, RAR, 7-Zip, TAR, and ISO contents without extracting • Audio & Video — Play MP3, WAV, FLAC, MP4, MOV, MKV, and more • Data Formats — View JSON, YAML, XML, CSV, Parquet, and Jupyter notebooks • Geospatial — Visualize GeoJSON, GPX, and KML on interactive maps • Fonts — Preview OpenType and TrueType font files • Images — View JPEG, PNG, GIF, HEIC, WebP, PSD, and SVG BUILT-IN DEVELOPER TOOLS Go beyond viewing with 10 built-in tools: • Hex Inspector — View raw file bytes • Compare Files — Side-by-side diff • Checksum — Calculate MD5, SHA-1, and SHA-256 hashes • Extract Text — Pull text from any document • Export as PDF — Convert any preview to PDF • Base64 — Encode and decode • Pretty Print — Format JSON, XML, HTML, and CSS • Text Statistics — Word count, line count, reading time • File Identification — Detect the true file type from magic bytes PRIVACY FIRST All processing happens on your device. Files are never uploaded. No account is needed. No tracking. WORKS WITH YOUR WORKFLOW • Open files directly from the Files app or Share Sheet • Browse iCloud Drive • Track recently opened files and pin your favorites • Search your file history Works on iPhone and iPad. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: SpinFire Insight at none against OpenFile's 2. SpinFire Insight also leads on iOS requirement (13.0 vs 26.2). 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. OpenFile sells 2 in-app purchases, starting at $2.99 per month. SpinFire Insight asks for nothing beyond the download.
| Parameter | SpinFire Insight | OpenFile |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 172 MB | 113 MB |
| Age rating | 4+ | 4+ |
| Developer | Tech Soft 3D | Life Utility Apps, LLC |
In-app purchases
SpinFire Insight
No in-app purchases
OpenFile
- Monthly$2.991 Month
- Lifetime Access$19.99





