Gerty vs Thetatron
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Gerty compared with Thetatron
| Detail | 
Gerty | 
Thetatron |
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| What it does | Private local AI assistant for Mac that runs offline without the cloud
| Brain-based AI that learns on your device without retraining, remembers you, and keeps your data private
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | CH
| US
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| Pricing model | Paid
| Not given
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| Pricing | CHF 49 once, lifetime licence with free updates to all future versions. One licence for up to 3 Macs. Free 7-day trial available.
| Not given
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| Key features | - Runs open language models locally (Gemma, Qwen, Llama, Mistral) on Apple silicon
- Works offline with no account, cloud or telemetry
- Answers questions from documents with citations including scans and photos
- Integrates with Mail, Calendar and other Mac apps
- Responds with voice from the notch in any app
- Automatically selects and configures best models for your Mac
- Includes Gerty Max with Thinking and Code capabilities
- Works with any .gguf model from Hugging Face
- Modifies PDFs in place while keeping layout
- Includes local voice, memory, projects and dictation
| - Learns continuously on your device without retraining
- Remembers individual users separately
- Runs fully offline on consumer hardware like iPad
- Learns without forgetting existing knowledge
- Consistent performance over long conversations
- Honest about uncertainty
- User controls what it learns
- Works with existing language models
- Corrected facts replace outdated information
- Designed for disconnected networks
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| What makes it different | - Completely private with zero data leaving your Mac
- Intelligent assistant that picks and configures models for you, unlike model runners
- Works completely offline once models are downloaded, no internet required
| - Continual learning architecture that learns in place after deployment, unlike frozen models
- Brain-modeled design with separate organs for memory, sleep, and decision-making
- All learning happens on your device with no data sent to servers
- Works where cloud connectivity is unavailable or undesirable
- Patent-pending learning method usable with other large language models
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 2 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 13 | 0 |
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| Citation Flow (Majestic) | 25 | 0 |
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| Referring domains (Majestic) | 3 | 0 |
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4 details filled in for both companies.
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