Comparison

Fasoo Secure Viewer vs Spatial Sketcher

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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)

About

Spatial Sketcher

Features
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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

Fasoo Secure Viewer4 screens
Spatial Sketcher2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 4 level
Fasoo Secure Viewer versus Spatial Sketcher: the parameters behind the verdict, then further details
ParameterFasoo Secure ViewerSpatial Sketcher
PriceFreeFree
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.6
Further details — not scored
Size118 MB1 MB
Age rating4+4+
DeveloperFasoo AI Co., Ltd.EDWIN ZHAO

In-app purchases

None

Fasoo Secure Viewer

No in-app purchases

None

Spatial Sketcher

No in-app purchases

Questions

Is Fasoo Secure Viewer free?
Fasoo Secure Viewer is free to download, with no in-app purchases.
Is Spatial Sketcher free?
Spatial Sketcher is free to download, with no in-app purchases.
Do Fasoo Secure Viewer or Spatial Sketcher have ads?
Neither Fasoo Secure Viewer nor Spatial Sketcher shows ads.
Which is updated more often, Fasoo Secure Viewer or Spatial Sketcher?
Fasoo Secure Viewer ships an update every 6 weeks, and Spatial Sketcher every 2 months. Most recently, Fasoo Secure Viewer was updated on October 10, 2026 and Spatial Sketcher on October 8, 2026.

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