Guide

AI meeting summaries vs async voice notes.

One tool documents a live conversation. The other collects a focused answer before you decide whether a meeting is needed.

Try async voice for free

5 free responses, no credit card

The short answer

Otter, Fireflies, and Fathom summarize meetings that already happened. HeySpeak collects focused voice notes before the meeting decision. Use a summarizer when the conversation must be live. Use an async voice note when you need one specific answer from one or many people. The cheapest meeting is the one you did not need to book.

These tools solve different problems

Otter, Fireflies, and Fathom are good products. They join your Zoom or Google Meet call, transcribe the conversation, and ship you a summary with action items. They start from the premise that the meeting is happening.

HeySpeak runs one step earlier. Before you book the call, you send a Magic Link with one question. The other person records a voice note on their own time. You review the summary first. If that closes the loop, the meeting never gets scheduled. If it does not, you book the meeting with a much sharper agenda because you already know what they actually want to talk about.

The two tools are not in conflict. They sit next to each other in a sane workflow: voice note first to qualify, meeting second only when the conversation needs to be live, and a summarizer running on whatever calls remain.

Side by side

Six dimensions that decide which tool fits the job.

Dimension	AI meeting summaries	Async voice notes
When it runs	After the meeting ends	Before deciding on a meeting
Interaction	Live, with follow-up questions	Asynchronous, one focused prompt
Output	Full meeting transcript and notes	Focused response with audio and transcript
Best for	Live negotiation, kickoffs	One specific answer
Calendar coordination	Required	None
Recipient effort	Attend at an agreed time	Answer before the deadline

Measure the time in your own workflow

A live meeting includes scheduling, attendance, and follow-up for everyone involved. A meeting assistant can reduce note-taking work, but it does not remove the live session.

An asynchronous prompt removes calendar coordination, but it may still need a reminder, careful review, and a later call. Compare both workflows only on questions that could reasonably be answered without real-time follow-up.

Track total participant time, scheduling work, review time, and the number of follow-ups required. If the voice prompt closes the issue, you saved a meeting. If it creates ambiguity, book the call.

Use this when. Use that when.

A practical decision tree. Pick the right tool for each job.

You need one answer from one person

Send a voice note. Booking a call to ask one question is the wrong format when the answer does not need discussion. A Magic Link keeps the question and reply in one asynchronous flow.

You need the same answer from 20 people

Send the same focused prompt to a relevant group, then review the responses together. Use separate calls when individual answers need clarification.

You are negotiating live with a buyer

Book the call. Run Otter, Fireflies, or Fathom on it. Negotiation needs real-time reactions, and you want the transcript to come back later for review and CRM logging.

You are kicking off a project with a new client

Use both. Send a voice note ahead of the meeting asking what success looks like. Then run an AI summarizer on the kickoff call. The voice note pre-read makes the meeting shorter and the summary cleaner.

You are doing customer discovery for a new product

Start with one focused voice question when you need a first pass across a group. Use live interviews for deeper exploration with the people whose answers challenge your assumptions.

You need to share a complex visual walkthrough

Neither tool. Use Loom or a screen recording. Voice cannot carry a UI demo, and a meeting summary will not capture what the person needed to see.

Keep going

Two more pages on getting answers without the meeting.

Comparison

Alternatives to discovery calls

Async voice, live calls, text forms: when each one earns its place in a sales or research flow.

Playbook

How to do customer discovery async

Collect a focused first answer, then use live interviews where exploration adds value.

Common questions

Are AI meeting summary tools like Otter, Fireflies, or Fathom competitors to HeySpeak?

They overlap around transcripts and summaries, but solve different jobs. A meeting assistant documents a live conversation. HeySpeak collects an answer before you decide whether a live conversation is needed. A team can use either tool or both.

When is an AI meeting summary the right choice?

Use a meeting summarizer when the conversation has to happen live: negotiation, project kickoffs, decisions that need immediate pushback, or sessions where people build on each other’s answers. The summary helps document what happened after the call.

When is an async voice note the right choice?

Use async voice when the goal is one specific answer, not a conversation. Examples include feedback after onboarding, one discovery question, or context from an expert outside your team. The respondent answers on their own time and you decide whether follow-up is necessary.

How much time do I actually save by skipping the meeting?

Measure it with your own workflow. Count the time spent scheduling, attending, reviewing, and following up on a call, then compare it with the time spent creating, answering, and reviewing one asynchronous prompt. The formats are only comparable when the question does not need live discussion.

What about the signal-to-noise ratio? Do not meetings give richer answers?

Meetings can produce richer answers because people ask follow-up questions in real time. They can also produce long transcripts around a narrow issue. A focused voice prompt trades that interaction for a smaller, easier-to-scan response. Choose based on whether exploration or a first answer matters more.

Can I use both tools in the same workflow?

Yes. Send one diagnostic question first. If the answer closes the issue, keep the work asynchronous. If it creates new questions, use the response as context for a live call and let your meeting assistant document that conversation.

The cheapest meeting is the one you did not need.

Send a Magic Link, review the answer, and decide if the call still needs to happen. Five free responses, no credit card.

Create your first link