Alter: macOS-native AI meeting assistant that records and transcribes calls locally with built-in Whisper and Parakeet models, no bots required. Trellus: Real-time AI sales coaching and parallel dialer delivered as a lightweight Chrome extension that layers onto existing sales tools. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Alter when freelancers and consultants privately capturing client calls without a visible bot matters most, and Trellus when increasing connect rates with a parallel dialer matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
macOS-native AI meeting assistant that records and transcribes calls locally with built-in Whisper and Parakeet models, no bots required.
Real-time AI sales coaching and parallel dialer delivered as a lightweight Chrome extension that layers onto existing sales tools.
Alter is a native macOS application that records, transcribes, and analyzes meetings directly on the user's Mac without sending a bot into the call. Instead of joining a meeting as a visible participant, Alter captures audio from the system output and microphone, so it works across Zoom, Microsoft Teams, Google Meet, WhatsApp, FaceTime, Skype, Discord, and in-person conversations. Transcription runs through on-device models, with a choice of an optimized Parakeet model for major languages or Whisper for broader language coverage, and speaker identification is performed locally. Because processing happens on the device, recordings and transcripts stay on the Mac and the app can operate without an internet connection. Beyond raw transcripts, Alter generates summaries and action items, lets users chat with their meetings, and connects to tools such as Notion, Slack, Linear, Asana, and Jira. It targets solopreneurs, freelancers, consultants, and other professionals who want private, bot-free meeting capture on macOS. The product is actively developed and operating in 2025 and 2026. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Trellus is a real-time AI sales coaching and dialing tool delivered primarily as a lightweight Chrome extension that layers on top of existing sales engagement platforms such as Salesloft, Outreach, and HubSpot. Its real-time coaching analyzes call audio during live conversations to detect intent and signals and provides adaptive guidance, nudging reps to adjust pacing, listen more, or change approach as the conversation unfolds. Alongside live coaching, Trellus offers a parallel dialer that lets reps dial multiple lines at once to increase connect rates, with automated voicemail drops and number-health monitoring. The platform also includes AI voice agents that can handle inbound qualification or act as practice prospects for rep training, plus call analytics and performance scoring so managers can review conversations after the fact. A sales floor feature supports team collaboration. Because it runs as a browser extension on top of tools reps already use, Trellus is designed to add live guidance and faster dialing without requiring teams to migrate to a separate platform. It is aimed at sales development reps, account executives, and sales leaders focused on outbound calling performance. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Alter 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.
| Feature | Alter | Trellus |
|---|---|---|
| Core capability | On-device transcription using built-in Whisper and Parakeet models | Real-time, in-call AI coaching and adaptive guidance |
| Standout feature | Bot-free capture of system audio and microphone across any meeting or call app | Parallel dialer with multiple simultaneous lines |
| Team usage | Automatic speaker identification performed locally | Automated voicemail drops and number-health monitoring |
| Integrations | AI summaries, action items, and chat-with-your-meeting Q&A | AI voice agents for practice roleplay and inbound qualification |
| Languages & capture | Integrations with Notion, Slack, Linear, Asana, Jira and other tools | Call analytics and performance scoring |
| Best-fit workflow | Offline operation with recordings and transcripts stored locally | Chrome extension that layers onto Salesloft, Outreach, and HubSpot |
Alter
Choose Alter if you need freelancers and consultants privately capturing client calls without a visible bot — strengths include local processing keeps recordings and transcripts on the user's own mac.
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.
Alter
Trellus
It depends on your workflow. Alter is strong for freelancers and consultants privately capturing client calls without a visible bot, while Trellus is strong for coaching reps in real time during outbound calls. Both transcribe and summarize meetings.
Alter 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.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
More head-to-head comparisons involving Alter and Trellus.
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