Mmhmm (now Airtime) puts you inside your slides for live calls and recorded presentations. ngram builds the finished video from a doc, URL, deck, or screen recording, then lets you steer it in plain language. This is the honest breakdown for anyone weighing a Mmhmm alternative.
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Paste release notes, a URL, a deck or a screen recording and ngram writes the script, plans the storyboard, and returns a narrated, on-brand cut ready to publish.
Mmhmm's virtual camera overlays your webcam on slides during Zoom, Teams and Meet. For the live presentation moment, that is what it is built to do.
Ask for a 9:16 social cut, a sales walkthrough and a German variant of the same video, and ngram adapts structure, pacing and voiceover for each.
The highlighted column is ngram. Where we mark a partial, it works but with caveats — we've noted them.
| AAirtime | ||
|---|---|---|
| Generate video from a doc, URL or prompt | Text, PDF, URL, deck, screenshots, recordings | Records you; no generation from source filesBuilt to record and present, not to generate a video from a doc or URL. |
| Script and storyboard preview | Review the plan before anything renders | Import slides; no generated script or storyboard |
| Audience and channel adaptation | Adapts script, pacing and CTA to the audience | Manual; you write and arrange the slides |
| Virtual camera for live calls | Not a live-call camera | Core feature: Zoom, Teams, Meet, Webex |
| Webcam-on-slides presenter overlay | Talking head and avatars, not slide overlay | Puts you inside the slides, live or recorded |
| Screen recording and polish | Capture plus auto cursor smoothing, zoom, callouts | Records screen and webcam; manual cleanupRecords the screen, but lacks ngram's automated demo polish. |
| AI editing (cuts, filler, zoom) | Auto-cut, filler removal, smart zoom, callouts | Trim and basic edits only |
| Motion graphics and animated visuals | Auto text animation, lower-thirds, transitions | Slide effects and backgrounds, placed by hand |
| Auto captions | Burned-in, brand-styled captions on every export | Automated captions available |
| AI voiceover | Studio voices generated from the script | Uses your own recorded voice only |
| Brand kit | Logo, colors, fonts, intro and outro applied automatically | Custom backgrounds and rooms; no brand kit systemBranded backgrounds exist, but there is no kit that styles every video. |
| Backgrounds and visual effects | Branded backgrounds and frames around footagengram frames footage on brand, but Mmhmm's presenter backgrounds are richer for live scenes. | Custom rooms, filters and gradients |
| Multi-format export | 16:9, 9:16, 1:1 with smart reframing | Standard recording exportExports recordings, but without per-channel reframing into vertical and square. |
| Translation and dubbing | Script, captions, on-screen text and voiceover | Not a localization tool |
| Multi-presenter on shared slides | Single generated presenter per video | Co-present from one set of slidesMmhmm supports two people presenting together from shared slides. |
| Timeline editor | Full timeline for frame-level control | Light recording edits, no full timeline |
| Developer API and MCP | REST API, webhooks, MCP server for agents | No public video-generation APINo documented public API for programmatic video generation. |
| Live video conferencing integration | Not a live-meeting layer | Zoom, Teams, Meet, Webex |
| Free option | Free plan available | 14-day free trial, no credit cardTrial is time-limited rather than a permanent free tier. |
| Entry paid price | $29/monthMmhmm is cheaper per seat, but covers the presenting layer rather than full video production. | $10/month annual, or $12/month |
Give ngram release notes, a URL or a deck and it writes the script, plans the storyboard, and renders a narrated cut. Mmhmm needs you on camera to start; ngram does not.
ngram shows the script and storyboard up front, so you fix direction in plain language before anything renders. Mmhmm has no generated plan to review; you arrange the slides yourself.
ngram smooths the cursor, trims dead air, adds smart zooms, callouts and step labels, turning a raw capture into a product demo. Mmhmm records the screen but leaves the cleanup to you.
Ask for a LinkedIn 9:16 version, a sales walkthrough and a localized dub of the same message; ngram adapts structure, pacing and voiceover per variant and burns in captions for each.
Set the brand kit once, with logo, colors, fonts and intro and outro, and ngram applies it to every export. Mmhmm offers custom backgrounds but no kit that keeps a library of videos on brand.
Mmhmm's virtual camera plugs into Zoom, Teams, Meet and Webex. You overlay yourself on slides, switch layouts and control your presence live, which ngram does not do.
Two presenters can share and navigate one set of slides together, which suits live webinars and team meetings. ngram generates a single presenter per video.
At $10/month on an annual plan, Mmhmm costs less than ngram's $29/month. If you mainly need a polished camera for calls, it covers that for less.
Generating reusable business videos from the material you already have.
Looking polished while you present live or record yourself on slides.
Turn release notes or a URL into a structured, editable video script.
Auto cursor smoothing, zooms and callouts on raw screen captures.
Studio voices generated from the script, no recording session needed.
Animated text, lower-thirds and transitions added automatically.
Logo, colors and fonts applied to every export by default.
Scene-matched graphics and B-roll generated to fit the script.
Localize a finished video across script, captions and voiceover.
Every platform aspect ratio from a single render.
Turn a rough walkthrough into a narrated, on-brand demo.
Generate a launch clip straight from release notes.
Build course modules from an SOP or deck, no shoot required.
Make a complex idea land in under a minute.
Cut a recorded session into short, share-ready highlights.
Personalized outreach clips generated at pipeline scale.
Repurpose a long recording into platform-native vertical clips.
Turn a help doc and recording into a guided tutorial.
Capture your screen and get an auto-edited clip back.
Try Screen RecorderTrim by transcript instead of dragging a timeline.
Try Video CutterFrame-accurate captions in 100+ languages.
Try Auto Subtitle GeneratorStudio-quality voiceover from a script in seconds.
Try AI Voice GeneratorRe-voice and subtitle a finished clip in another language.
Try Video TranslatorClean up audio captured in a noisy room.
Try Remove Background NoiseLook at the camera even while reading from a script.
Try Eye Contact AITranscribe a recording before you repurpose it.
Try Video to TextTurn a doc into a narrated walkthrough, no camera needed.
Convert Docs to VideoPoint ngram at a page and get a hero video back.
Convert URL to VideoConvert a PDF into a clean explainer.
Convert PDF to VideoEach slide becomes a narrated scene, without recording it live.
Convert PPT to VideoPaste a script and ngram returns a finished cut.
Convert Text to VideoShip a launch clip straight from the changelog.
Convert Release notes to VideowhenAn agent needs a finished video Mmhmm cannot generate on its own
thenngram returns an on-brand MP4 plus a share link
whenA presentation recording lands in your drive
thenAuto-edit it and drop the finished clip into Slack
whenA repurposed talk or demo finishes rendering
thenPublish to YouTube with a title and chapters
whenA HubSpot deal moves to 'Demo sent'
thenGenerate a personalized demo clip and attach it
whenA self-hosted workflow needs a video step
thenRender on your own VPC so no recording leaves the box
whenA 9:16 cut of your update is ready
thenPost it to LinkedIn in the native vertical format
Launch films and demos generated from release notes, no reshoot.
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Start from a doc, a script or a rough recording and get a finished, on-brand video back. Free to try — see how ngram compares to Airtime on your own content.