Slipbox and Trellus are both AI meeting assistants for recording, transcription, and summaries, compared here on pricing, features, and workflow fit. Slipbox: Privacy-first, bot-free AI meeting companion that captures system audio locally on Mac and Windows and turns it into transcripts, notes, and summaries. Trellus: Real-time AI sales coaching and parallel dialer delivered as a lightweight Chrome extension that layers onto existing sales tools. They overlap on ai-meeting-assistants, so the right pick depends on team size, budget, and which meeting workflows you automate.
For ai-meeting-assistants workflows, shortlist Slipbox when consultants and researchers keeping private records of client and interview calls matters most, and Trellus when coaching reps in real time during outbound calls matters most. Both record across Zoom, Google Meet, and Microsoft Teams; trial each on real meetings before committing.
Privacy-first, bot-free AI meeting companion that captures system audio locally on Mac and Windows and turns it into transcripts, notes, and summaries.
AI summaries from customizable templates, tagged notes, and searchable recordsAutomatic meeting detection across Zoom, Teams, Meet, Slack, FaceTime and moreBot-free capture of system audio plus microphone directly on the device
Real-time AI sales coaching and parallel dialer delivered as a lightweight Chrome extension that layers onto existing sales tools.
AI voice agents for practice roleplay and inbound qualificationAutomated voicemail drops and number-health monitoringCall analytics and performance scoring
Slipbox is a free tier with paid upgrades (freemium); Trellus is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
Bot-free capture of system audio plus microphone directly on the device
Real-time, in-call AI coaching and adaptive guidance
Standout feature
On-device, real-time transcription with optional hybrid cloud features
Parallel dialer with multiple simultaneous lines
Team usage
AI summaries from customizable templates, tagged notes, and searchable records
Automated voicemail drops and number-health monitoring
Integrations
Automatic meeting detection across Zoom, Teams, Meet, Slack, FaceTime and more
AI voice agents for practice roleplay and inbound qualification
Languages & capture
Bring-your-own LLM API key or local model support (e.g. Ollama)
Call analytics and performance scoring
Best-fit workflow
Speaker identification, semantic search, and Obsidian integration
Chrome extension that layers onto Salesloft, Outreach, and HubSpot
Best for
Slipbox
Choose Slipbox if you need consultants and researchers keeping private records of client and interview calls — strengths include no bot joins the call, so capture is discreet across many platforms.
Trellus
Choose Trellus if you need coaching reps in real time during outbound calls — strengths include adds live coaching and dialing without replacing existing tools.
Pros & cons
Slipbox
+ No bot joins the call, so capture is discreet across many platforms
+ Audio is processed locally, keeping sensitive meeting content on the device
- Desktop-centric, so capture depends on running the app on your own machine
Trellus
+ Adds live coaching and dialing without replacing existing tools
+ Lightweight browser-extension deployment
- Focused on outbound calling rather than full meeting capture
FAQ
Is Slipbox or Trellus better for AI meeting notes?
It depends on your workflow. Slipbox is strong for consultants and researchers keeping private records of client and interview calls, while Trellus is strong for coaching reps in real time during outbound calls. Both transcribe and summarize meetings.
How do Slipbox and Trellus compare on price?
Slipbox is a free tier with paid upgrades and Trellus is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Can I use both Slipbox and Trellus?
Yes. Many teams run more than one meeting assistant when the workflows are complementary and the budget is justified.