Yamazo Studio vs Time Prism
Video Time Study Comparison
Yamazo Studio and Time Prism are both video-based time study tools. Time Prism, developed by Nihon Seikoh Giken in Japan, uses click analysis on video frames with therblig classifications. This comparison highlights the differences in modern capabilities, platform support, and analysis depth. Comparison reviewed June 2026.
Feature Comparison
| Feature | Yamazo Studio | Time Prism |
|---|---|---|
| Platform | Windows + macOS | Windows desktop |
| License Protection | Software-based activation | Desktop license (perpetual or monthly subscription) |
| Video Analysis Method | Multi-video unified timeline with tracks | Click analysis on video frames |
| Work Classification | Customizable VA / IWA / IWR / MUDA categories | Therblig-based color-coded classification |
| Multi-Video Support | Yes — merge multiple recordings | Not available |
| Multi-Track | Unlimited parallel tracks (human + machine) | Not available |
| Yamazumi Charts | Auto-generated | Not available |
| SMED Analysis | Built-in dedicated track type | Not available |
| Line Balancing | Drag-and-drop simulation | Work load leveling with drag-and-drop |
| Ergonomic Assessment | WERA ergonomic analysis | Not available |
| AI Motion Detection | WorkSense (pilot): on-device pose + REBA, offline | Not available |
| Data Security | Local-only, no cloud | Standard |
| Standard Time Library | Built-in element tracking across studies | Static analysis only — no standard time library |
| Offline Operation | 100% Offline | Desktop application (offline) |
| Export Formats | PDF, Excel, CSV, JSON | Limited export options |
Yamazo Studio Advantages
- Cross-platform: runs on both Windows and macOS
- Multi-video merges multiple recordings into one unified timeline
- Unlimited parallel tracks for human + machine work
- Auto-generated Yamazumi charts and Standard Work Combination Sheets
- Built-in SMED analysis
- WERA ergonomic assessment
- AI work analysis via WorkSense (pilot): on-device pose estimation, REBA ergonomics and irreversible face anonymization — fully offline
- Offline local database
- Software-based activation (no hardware key) — runs on Windows and macOS
- Modern UI and active development
- Part of an integrated offline platform — Opsida Airlock LAN project sync (git-like push/pull/lock), Companion browser shop-floor capture and Opsida Flow execution
Alternative Advantages
- Therblig analysis with color-coded work element classification
- Time charts with detailed therblig visualization
- Supports a wide range of video formats (AVI, MPEG, H.264, WMV, MOV)
- Japanese-origin tool with established presence in Japanese manufacturing
When to Choose
Choose Yamazo Studio when...
You Need a Modern, Cross-Platform Tool
Time Prism is a Windows desktop application; Yamazo Studio runs natively on both Windows and macOS with software-based activation.
You Analyze Complex Multi-Station Lines
Yamazo's multi-video and unlimited multi-track capabilities enable full assembly line analysis. Time Prism is focused on single-video, single-process analysis.
You Need SMED, Yamazumi, or Ergonomics
Yamazo Studio includes built-in SMED analysis, auto-generated Yamazumi charts, and WERA ergonomic assessment. These features are not available in Time Prism.
Consider the alternative when...
You Use Therblig-Based Analysis
If your standard work analysis methodology is based on therblig classifications (reach, grasp, move, position, etc.), Time Prism provides native therblig analysis with color-coded visualization.
You're in a Japanese Manufacturing Environment
Time Prism has an established presence in Japanese manufacturing and may integrate better with existing Japanese production system workflows and documentation standards.
Frequently Asked Questions
Related Resources
What is Line Balancing? | Methods, Benefits & Tools
What is MUDA? | The 7 Wastes in Lean Manufacturing
Yamazo Studio for Medical Device Manufacturing | Process Analysis Software
Yamazo Studio for Food & Beverage Packaging | Line Optimization Software
Process Cycle Efficiency (PCE) Calculator
Pitch Calculator
See your first Yamazumi bar today.
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