Fenn vs GeologicAI

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-09-01
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At a glance

DimensionFennGeologicAI
Target UserPrivacy-conscious Mac usersCritical minerals mining companies
Core FunctionOffline AI search & organization of local filesAI-driven multi-sensor core scanning
Key Differentiator100% on-device, private; searches video, audio, imagesIntegrated LIBS sensor for REE detection (via Lumo acquisition)
PlatformmacOS (Apple Silicon required)Web/Enterprise (contact for pricing)
PricingFree tier limited; $9/mo Flex planContact-based (enterprise)
Recent MilestoneIntegration with LM Studio, Figma & Sketch search support$44M Series B, acquisition of Lumo Analytics & Resource Modeling Solutions

These tools solve entirely different problems. GeologicAI is a specialized industrial platform for mining companies needing rapid, sensor-rich core analysis with sub-48-hour turnaround. Fenn is a personal productivity tool for Mac users who want privacy-first semantic search across all local files. Choose based on your role: if you're in critical minerals exploration, pick GeologicAI; if you're a creative or knowledge worker managing a messy local drive, go with Fenn.

Fenn
Fenn

Private offline AI search for everything on your Mac

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GeologicAI
GeologicAI

AI-powered multi-sensor core scanning and logging for critical minerals mining.

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Pricing
Freemium
Contact Sales
Plans
$0/mo
$9/mo
$249 one-time
$999 one-time
Popularity
1 views
7.4k views
Skill Level
Intermediate
Advanced
API Available
Platforms
Desktop
Web
Categories
💾 Local & On-Device AI📝 Notes & Knowledge Management Document Q&A & Summarizing
👷 Construction & Field Service
Features
Search inside 50+ file types including PDFs, videos, audio, images, documents, and design files
Semantic & keyword search
Agentic search across files
Chat with files privately – ask, summarize, compare with citations
AI-powered file renaming based on content
Auto-organize folders that stay up to date
Export file data to CSV
Face recognition and search inside videos
Find & remove duplicate files
Screen memory search for meetings, chats, and shared screens
Audio & video transcription
File anonymizer before sharing with ChatGPT
Search Notion, Bear, Craft, Apple Notes, Apple Mail locally
Search visual content from screenshots and screen recordings
iPhone Companion app
Multi-sensor core scanning (RGB, XRF, hyperspectral, LiDAR)
LIBS detection of rare-earth and light elements
AI-assisted core logging on Digital Core Table
Cloud-based digital core collaboration
Integration with RMSP and Drill Hole Optimizer
Sub-48-hour turnaround time
4x faster logging than manual methods
Over 400% project acceleration
End-to-end workflow from scanning to modeling
Consulting and training services
High-fidelity data capture and analytics
Consistent logging with fewer errors
Geostatistical modeling tools
Real-time data integration for drill hole optimization
Decision engineering for critical mineral exploration
Integrations
Figma
Sketch
LM Studio
Apple Notes
Apple Mail
Notion
Bear
Craft
ChatGPT
RMSP
Drill Hole Optimizer

What real users say: Fenn vs GeologicAI

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

Fenn

33 mentions across 3 sources · 28% positive — critical

Hacker News, Product Hunt, Lemmy

What users praise

  • Semantic search finds files by content, not just filenames
  • Works fully offline with no cloud uploads or account needed
  • Indexes video, audio, images, PDFs, and design files
  • Native Apple Silicon support ensures good performance

What frustrates them

  • Indexing may consume significant disk space over time
  • Future pricing unannounced creates uncertainty for adopters
  • Limited community feedback makes it hard to gauge reliability
  • Search depth in images and audio not fully clear

Researched Jul 3, 2026

GeologicAI

20 mentions across 2 sources · 55% positive — mixed

Hacker News, YouTube

What users praise

  • Integrated multi-sensor suite (RGB, XRF, hyperspectral, LiDAR) provides rich core data.
  • LIBS detection of REEs and light elements is a unique capability post-Lumo acquisition.
  • 4x faster logging than manual methods, reducing project timelines significantly.
  • Sub-48-hour turnaround times appeal to fast-moving exploration cycles.

What frustrates them

  • Zero independent community reviews make it impossible to validate claims.
  • Contact-based pricing hides true costs, making budgeting challenging.
  • Requires advanced geological expertise; not accessible to novices.
  • The platform is overkill for small exploration companies or single-project teams.

Researched Aug 28, 2026

Who should pick which

  • Critical minerals exploration company
    Pick: GeologicAI

    Needs end-to-end core scanning with LIBS for REE detection, AI logging, and resource modeling. GeologicAI's sub-48-hour turnaround and RMSP integration accelerate project timelines.

  • Privacy-conscious Mac user with chaotic files
    Pick: Fenn

    Fenn provides offline semantic search across all file types, chat with files, and duplicate removal—perfect for organizing a personal digital library without cloud reliance.

  • Designer managing Figma/Sketch files
    Pick: Fenn

    Fenn indexes Figma and Sketch files (as of June 2026 news), enabling content-level search in design assets, a feature missing from native OS search.

  • Remote geologist needing portable core analysis
    Pick: GeologicAI

    GeologicAI's mobile scanning service delivers results in under 48 hours, reducing fieldwork time by 4x compared to manual logging.

  • Researcher analyzing video/audio interviews
    Pick: Fenn

    Fenn transcribes audio and video offline, and allows asking questions about the content—useful for qualitative research without privacy risks.

Frequently Asked Questions

Fenn vs GeologicAI: which should you choose?

These tools solve entirely different problems. GeologicAI is a specialized industrial platform for mining companies needing rapid, sensor-rich core analysis with sub-48-hour turnaround. Fenn is a personal productivity tool for Mac users who want privacy-first semantic search across all local files. Choose based on your role: if you're in critical minerals exploration, pick GeologicAI; if you're a creative or knowledge worker managing a messy local drive, go with Fenn.

Can GeologicAI detect rare earth elements?

Yes, through the acquisition of Lumo Analytics (2026), GeologicAI now integrates LIBS-based analysis that can detect rare-earth and light elements, completing its sensor suite.

Is Fenn free?

Fenn has a free tier with limited functionality and a Flex plan at $9/month. The exact free tier limits are not specified in the facts.

Does Fenn work on Windows or Intel Macs?

No, Fenn is macOS-only and requires Apple Silicon (M1 or later). It does not support Windows or Intel Macs.

What integrations does GeologicAI have?

GeologicAI integrates with RMSP, Drill Hole Optimizer, and Edge Copper for resource modeling and mine planning.

Can Fenn search inside design files?

Yes, Fenn indexes and searches content inside Figma and Sketch files (announced June 2026), along with common document and image formats.

Is GeologicAI's scanning service available on-site?

GeologicAI offers scanning either by sending cores to their facility or deploying on-site, with sub-48-hour turnaround.

Does Fenn require internet?

No, Fenn operates entirely offline for indexing and search. No data leaves your Mac.

Which tool is better for team collaboration?

Neither is designed for collaboration. GeologicAI is enterprise but team workflows are implicit; Fenn is single-user only.

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Last reviewed: July 3, 2026