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Software · head to head

Mmhmm vs Perplexity

Mmhmm logo

Mmhmm

Software

Presentation platform for video calls

From
On request
Rated
-
Full reviewWebsite
Perplexity logo

Perplexity

Software

AI-powered answer engine with citations

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Perplexity has a free tier, so it costs nothing to try first.
  • Each has a real cost: Mmhmm renamed to Airtime and split into four separate tools, Camera, Recorder, Creator and Stacks, rather than the single app the mmhmm name refers to; Perplexity context window has been stealthily reduced despite prior claims of 1-million-token capacity
  • They diverge on capability: Mmhmm covers Custom layouts, Perplexity covers Real-time web search.

Where they differ

Only the attributes on which Mmhmm and Perplexity actually diverge.

Attributes where Mmhmm and Perplexity differ
AttributeMmhmmPerplexity
Starting priceOn requestFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsDesktop Mac, Desktop WindowsWeb, iOS, Android, Comet (AI browser)
Founded20202022

Identical on both: user rating (Not yet rated), category (Unknown).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Mmhmm

  • Custom layouts
  • Screen sharing
  • Virtual backgrounds
  • Picture-in-picture
  • Recording
  • Zoom
  • Google Meet
  • Microsoft Teams

Only in Perplexity

  • Real-time web search
  • Source citations
  • Follow-up questions
  • File analysis
  • Browser extension
  • API access
  • Mobile apps
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Mmhmm

  • Putting a presenter on screen over slides during a video callnot Perplexity
  • Recording a screen walkthrough up to an hournot Perplexity
  • Adding effects and reactions to a webcam feednot Perplexity
  • Collecting materials for a meeting in a shared stacknot Perplexity

Perplexity

  • ai tools managementnot Mmhmm
  • Workflow automationnot Mmhmm
  • Reportingnot Mmhmm

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Mmhmm

  • Renamed to Airtime and split into four separate tools, Camera, Recorder, Creator and Stacks, rather than the single app the mmhmm name refers to
  • Screen recordings are capped at one hour
  • Windows support requires Windows 10 or 11
  • Pricing is not shown on the product pages

Perplexity

  • Context window has been stealthily reduced despite prior claims of 1-million-token capacity
  • Citations sometimes point to irrelevant or overly general articles that do not support the stated claims
  • Weak performance on complex multi-step reasoning and deep logic compared to dedicated reasoning LLMs
  • Web crawler ignores robots.txt directives and scrapes content from sites that explicitly opted out
  • Pro subscription quotas and feature access quietly reduced without user notification

Pricing, plan by plan

Mmhmm

On request
  • Standard$9.99/month
    • Unlimited presentations
    • Custom layouts
    • Recording

Perplexity

Free
  • FreeFree
    • Unlimited basic searches
    • 3 Pro Searches per day
    • 1 Research query per month
  • Pro$20/month
    • Unlimited Pro Searches
    • Advanced AI models
    • All free features
  • Pro Annual$200/year
    • Unlimited Pro Searches
    • Advanced AI models
    • All free features
  • Max$200/month
    • Unlimited Pro Searches
    • Labs multi-agent orchestration
    • Perplexity Computer with 19 AI sub-agents

Which should you pick?

Choose Mmhmm if

  • You need custom layouts.
  • You work on Desktop Mac, Desktop Windows.
  • You also want screen sharing.
Mmhmm review

Choose Perplexity if

  • You need real-time web search.
  • You want to start without paying.
  • You work on Web, iOS, Android, Comet (AI browser).
  • You also want source citations.
Perplexity review

Questions people ask

Is Mmhmm or Perplexity better?
Neither clearly leads. Mmhmm starts at On request and Perplexity at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mmhmm or Perplexity?
Perplexity has a free tier; the other does not. Paid plans start at On request for Mmhmm and Free for Perplexity.
Does Mmhmm or Perplexity run on more platforms?
Mmhmm runs on Desktop Mac, Desktop Windows. Perplexity runs on Web, iOS, Android, Comet (AI browser).
Can I use Perplexity for free?
Yes. Perplexity has a free tier, so you can try it without paying. Mmhmm starts at On request.
What is Mmhmm best used for?
Mmhmm is most often used for putting a presenter on screen over slides during a video call, recording a screen walkthrough up to an hour, adding effects and reactions to a webcam feed, collecting materials for a meeting in a shared stack. Of those, putting a presenter on screen over slides during a video call and recording a screen walkthrough up to an hour are not what Perplexity is typically brought in for.
What can Mmhmm do that Perplexity cannot?
Mmhmm covers Custom layouts, Screen sharing, Virtual backgrounds, Picture-in-picture. Perplexity covers Real-time web search, Source citations, Follow-up questions, File analysis.

Answered from the vendors’ own pages

Perplexity: Is Perplexity completely free?

Perplexity has a free tier with unlimited basic searches and 3 Pro Searches per day. Pro ($20/month or $200/year) and Max ($200/month) tiers unlock more advanced features like multi-model access and unrestricted queries.

Source
Perplexity: What is the difference between Pro and Max?

Pro provides access to advanced AI models like GPT-5.2, Claude Sonnet 4.5, and Gemini 3 Pro. Max adds Labs for multi-agent orchestration, Perplexity Computer with 19 specialized AI sub-agents, and 10,000 Computer credits per month.

Source
Perplexity: Can I use Perplexity offline?

No. Perplexity requires an active internet connection for all searches. The full answer service is not available offline.

Source
Perplexity: What platforms does Perplexity support?

Perplexity is available as a web application, iOS app, Android app, and as Comet, a dedicated AI browser for mobile (Android available, iOS in development).

Source
Perplexity: How reliable are Perplexity's citations?

Citations are a key feature of Perplexity, but users report that citations sometimes point to irrelevant or overly general articles that don't directly support the claims made.

Source
Perplexity: Does Perplexity's context window match the advertised 1 million tokens?

Perplexity had promoted a 1-million-token context window, but users have reported stealth reductions in the actual context capacity without public announcement.

Source
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