# GradFlowLab

> GradFlowLab builds AI-powered apps and web platforms for jewelry identification, skin condition identification, meditation, sleep sounds, markdown editing, ID photos, and Vietnamese stock analysis.

## Canonical Site

- Website: https://gradflowlab.com
- Sitemap: https://gradflowlab.com/sitemap.xml
- Full LLM reference: https://gradflowlab.com/llms-full.txt
- Contact: contact@gradflowlab.com
- Supported languages: English (en), Japanese (ja)

## Products

### Jewelry Expert
- URL (en): https://gradflowlab.com/en/apps/jewelry-identifier
- URL (ja): https://gradflowlab.com/ja/apps/jewelry-identifier
- App Store: https://apps.apple.com/us/app/jewelry-expert-ai-identifier/id6761717215
- Category: AI Identification
- Platforms: iOS, iPadOS, macOS, visionOS
- Pricing: Free with Pro subscription ($5.99/week, $24.99/year, or $29.99 lifetime).
- Summary: AI-powered jewelry identification — snap a photo to get materials, gemstones, hallmarks, style era, condition, and estimated value.

### Markdown Notes
- URL (en): https://gradflowlab.com/en/apps/markdown-notes
- URL (ja): https://gradflowlab.com/ja/apps/markdown-notes
- App Store: https://apps.apple.com/us/app/markdown-notes-simple/id6761522003
- Category: Productivity
- Platforms: iOS, iPadOS, macOS, visionOS
- Pricing: $0.99 one-time purchase.
- Summary: Distraction-free markdown editor with live preview, vault organization, graph view, and export to HTML/PDF/Markdown.

### Buddha AI
- URL (en): https://gradflowlab.com/en/apps/buddha-ai
- URL (ja): https://gradflowlab.com/ja/apps/buddha-ai
- App Store: https://apps.apple.com/us/app/%E4%BB%8F%E9%99%80ai-%E6%82%9F%E3%82%8A%E3%81%AE%E5%AF%BE%E8%A9%B1/id6758010126
- Category: Lifestyle & Wellness
- Platforms: iOS, iPadOS, macOS, visionOS
- Pricing: Free with Premium subscription ($2.99/week, $7.99/month, or $59.99/year).
- Summary: AI dialogue based on Buddhist teachings for daily guidance, with breathing meditation and multiple tradition choices.

### Zen Heart
- URL (en): https://gradflowlab.com/en/apps/zen-heart
- URL (ja): https://gradflowlab.com/ja/apps/zen-heart
- App Store: https://apps.apple.com/us/app/%E7%A6%85%E5%BF%83-%E7%A6%85%E3%81%AE%E6%99%BA%E6%85%A7/id6757863128
- Category: Lifestyle & Wellness
- Platforms: iOS, iPadOS, macOS, visionOS
- Pricing: Free with Premium subscription ($2.99/week, $7.99/month, or $59.99/year).
- Summary: AI-powered Zen dialogue with three virtual Zen masters, daily Zen phrases, and a reflection journal.

### White Noise Sleep Sounds
- URL (en): https://gradflowlab.com/en/apps/white-noise-sleep-sounds
- URL (ja): https://gradflowlab.com/ja/apps/white-noise-sleep-sounds
- App Store: https://apps.apple.com/us/app/white-noise-sleep-sounds-baby/id6740737671
- Category: Health & Fitness
- Platforms: iOS, iPadOS, macOS, visionOS
- Pricing: Free with Pro access ($2.99/month, $24.99/year, or $99.99 lifetime).
- Summary: Soothing soundscapes mixing nature sounds, white noise, pink noise, and lullabies with adjustable timer and AirPlay support.

### Flash AI Photo
- URL (en): https://gradflowlab.com/en/apps/flash-ai-id-photo
- URL (ja): https://gradflowlab.com/ja/apps/flash-ai-id-photo
- App Store: https://apps.apple.com/us/app/flash-ai-id-photo-maker-pro/id6739249635
- Category: Photo & Video
- Platforms: iOS, iPadOS, macOS, visionOS
- Pricing: Free.
- Summary: AI-powered ID photo maker for passport, visa, and license photos — background removal, face detection, and compliance checking.

### Skin Condition Identifier Lens
- URL (en): https://gradflowlab.com/en/apps/skin-condition-identifier
- URL (ja): https://gradflowlab.com/ja/apps/skin-condition-identifier
- App Store: https://apps.apple.com/us/app/skin-condition-identifier-lens/id6762028112
- Category: AI Identification (Utilities / Reference on App Store)
- Platforms: iOS, iPadOS
- Pricing: Free with 1 recent scan; Skin Lens Pro $4.99/week or $24.99/year (over 60% savings).
- Summary: AI skin condition identifier (Skin Lens) — identifies moles, rashes, acne, eczema, and psoriasis from a photo in under 10 seconds with confidence ratings and urgency guidance.

### StockShield
- URL (en): https://gradflowlab.com/en/apps/stockshield
- URL (ja): https://gradflowlab.com/ja/apps/stockshield
- Website: https://stockshield.xyz
- Category: Finance
- Platforms: Web
- Pricing: Free with Premium ($9.99/month) and Professional ($49.99/month) plans.
- Summary: Governance-first Vietnamese stock analysis — safety scores, red-flag alerts, and compliance reports for international investors.

## Key Content

- Apps index (en): https://gradflowlab.com/en/apps
- Apps index (ja): https://gradflowlab.com/ja/apps
- Articles index (en): https://gradflowlab.com/en/articles
- Articles index (ja): https://gradflowlab.com/ja/articles
- Support (en): https://gradflowlab.com/en/support
- Support (ja): https://gradflowlab.com/ja/support
- Privacy Policy: https://gradflowlab.com/en/privacy
- Terms and Conditions: https://gradflowlab.com/en/terms
- How to Identify Jewelry with AI: https://gradflowlab.com/en/articles/how-to-identify-jewelry-with-ai
- How to Identify Gemstones at Home: https://gradflowlab.com/en/articles/how-to-identify-gemstones-at-home
- Understanding Jewelry Hallmarks: https://gradflowlab.com/en/articles/understanding-jewelry-hallmarks
- Jewelry Value Estimation Guide: https://gradflowlab.com/en/articles/jewelry-value-estimation-guide
- How to Identify Skin Conditions With AI: https://gradflowlab.com/en/articles/how-to-identify-skin-conditions-with-ai

## Usage Notes

- All pages are available in English (/en/) and Japanese (/ja/).
- Treat app and article URLs above as canonical references.
- Use article pages for plain-language explanations and app pages for product facts.
- AI analysis is a first-pass research tool, not a certified appraisal.