Fasoo Secure Viewer vs Spatial Sketcher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fasoo Secure Viewer
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Fasoo Secure Viewer is a document security solution optimized for mobile environments. It offers significantly improved security features compared to previous versions, greatly enhancing the user experience. With Fasoo Secure Viewer, users can securely access encrypted documents on their devices anytime, anywhere, and perform their tasks efficiently. Note: The Fasoo Secure Viewer app is only available for users authenticated in FED-M. Non-authenticated users will not be able to access both encrypted and non-encrypted plain documents. Main features: - Supports document viewing and editing with permission-based access control. ※ Available document permissions may vary depending on the purchased license type and administrator settings. - Displays screen watermarks. - Prevents screen captures. - Provides features for document search and management. - Controls document access based on location. Supported file formats 1. View & Edit - MS Word 97 ~ (*.doc, *.docx, *.dot, *.dotx) - MS PowerPoint 97 ~ (*.ppt, *.pptx, *.pps, *.ppsx. *.pot, *.potx) - MS Excel 97 ~ (*.xls, *.xlsx, *.xltx, *.csv) - Adobe PDF 1.2 ~ 1.7 (*.pdf) 2. View only - Hangul 97 ~ 3.0, 2002 ~ 2014 (*.hwp, *.hwpx) - Text files (*.txt) - Image files (*.bmp, *.jpg, *.png, *.gif, *.wmf, *.emf, *.jpeg, *.tiff)
Spatial Sketcher
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Spatial Sketcher is a dual-tool research application designed for educators, researchers, and spatial analysts. Capture detailed floor plans using LiDAR technology and transcribe audio with precise timestamps. All optimized for educational research workflows. Room Scanner • Generate high-resolution floor plans (3000px) from LiDAR scans • Automatic detection of walls, doors, windows, and furniture • Smart rotation aligns floor plans to the longest wall • Color-coded visualization: walls, doorways, windows, and 15+ furniture types • Export as PNG, JPG, or USDZ 3D models • Includes scale metadata with pixels-per-meter conversion for overlay analysis Transcription Tool • Import audio (MP3, M4A, WAV, AAC) or video (MP4, MOV, M4V) • Record directly within the app with real-time waveform display • Time-stamped transcription segments with confidence scores • Speaker identification for multi-person conversations • Adjustable pause detection (0.5–5 seconds) and segment length (5–30 seconds) • Support for 50+ languages • Export as CSV for data analysis or TXT for readability Built for research Spatial Sketcher was developed as part of PhD research on teacher movement and classroom interaction. The app produces datasets ready for: • Spatial visualization tools (IGS compatible) • Movement pattern analysis • Discourse analysis • Mixed-methods research combining spatial and temporal data Export & Share Share your data via AirDrop, Files, email, or any compatible app. Floor plans include detailed scale metadata for accurate real-world coordinate mapping. Requirements • Room Scanner requires iPhone 12 Pro+ or iPad Pro 2020+ with LiDAR • Transcription works on any device running iOS 17+ • Camera, microphone, and speech recognition permissions required Privacy-focused: On-device transcription available with optional cloud processing for enhanced accuracy.
Screenshots
Verdict
The clearest difference is device support: Fasoo Secure Viewer at 3 against Spatial Sketcher's 1. Fasoo Secure Viewer also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Fasoo Secure Viewer ships an update every 6 weeks, Spatial Sketcher every 2 months. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.
| Parameter | Fasoo Secure Viewer | Spatial Sketcher |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 118 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Fasoo AI Co., Ltd. | EDWIN ZHAO |
In-app purchases
Fasoo Secure Viewer
No in-app purchases
Spatial Sketcher
No in-app purchases
Questions
Is Fasoo Secure Viewer free?
Is Spatial Sketcher free?
Do Fasoo Secure Viewer or Spatial Sketcher have ads?
Which is updated more often, Fasoo Secure Viewer or Spatial Sketcher?
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