AI voice-overs for product demo videos
A product demo has one job: make the next click obvious. The narration has to hit feature names, version numbers and brand terms exactly right — take after take, release after release. That's an awkward fit for human recording sessions, and a natural one for generated voice, where another take is a button, not a booking.
The pronunciation dictionary is the quiet hero here. Define once how your product, company and feature names should be spoken, and every future generation says them that way. No more shipping a walkthrough where the narrator stresses the wrong syllable of the thing you named.
Demos also age fast: the interface changes, the flow gains a step, and suddenly one paragraph of the script is wrong. Instead of re-recording the whole track, edit that paragraph and regenerate it alone — the rest replays from cache, and the refreshed audio drops back into your timeline at the same levels as before.
No signup needed — the demo speaks up to 500 characters.
How it works for product demo videos
- 1
Add your product and feature names to the pronunciation dictionary so they're spoken correctly in every take.
- 2
Paste the walkthrough script — or draft it with the built-in writer — and ease the pace so viewers can follow along on screen.
- 3
Generate and lay the track under your screen recording; export the captions with it for muted autoplay embeds.
- 4
When the interface changes, rewrite the affected paragraph and regenerate only that section for the refreshed cut.
Product names, said right
Find-and-replace pronunciation rules apply server-side to every generation — brand terms, acronyms and model names come out the way you decided.
A narrator that survives releases
This quarter's demo sounds exactly like last quarter's: same voice profile, same pacing, same loudness target, months apart.
Update a step, not a session
Per-paragraph regeneration re-voices only the changed instructions, so an interface tweak never costs a full re-record.
Captions for muted viewers
Demos embedded on landing pages often autoplay silent — the matching caption file keeps the walkthrough legible either way.
26 studio voices · 20 output languages · SRT captions and bulk mode on every plan
Pricing that doesn't punish volume
Simple monthly plans plus one-time top-up packs that never expire.
free
$0/mo
Try everything, every month
- 10,000 characters/mo
- 3 AI scripts/mo
- Bulk: 5 rows/batch
- SRT captions
- Spoken outro on audio
creator
$7/mo
≈ 3 hours of audio
- 300,000 characters/mo
- 50 AI scripts/mo
- Bulk: 25 rows/batch
- SRT captions
- No watermark
channel
$15/mo
≈ 7.5 hours + priority queue
- 750,000 characters/mo
- Unlimited scripts
- Unlimited bulk batches
- SRT captions
- No watermark
- Priority queue
agency
$39/mo
≈ 20 hours + 3 seats
- 2,000,000 characters/mo
- Unlimited scripts
- Unlimited bulk batches
- SRT captions
- No watermark
- Priority queue
- 3 seats
- API access (coming soon)
| Entry paid plan | Price | Credits / chars | Audio / month | Cost per hour |
|---|---|---|---|---|
| ToneCraft | $7/mo | 300,000 chars | ≈ 3 hours | ≈ $2.33 |
| ElevenLabs (Creator) | $22/mo | 121,000 credits | ≈ 1.2 hours | ≈ $18 |
| Murf (Creator) | $29/mo | —* | 2 hours | $14.50 |
* Murf's Creator plan is sold by voice-generation time (2 hours/month), not a characters or credits pool — so we leave that cell blank rather than invent a number.
≈ hours assume ~100,000 characters per finished hour; where a provider sells characters or credits we convert with the same rule. Verified against published pricing as of July 13, 2026 — check their sites for current plans.
Questions, answered
How do I make it pronounce our product name correctly?
Add a rule to the pronunciation dictionary — a find-and-replace applied before generation. Write the name as it's spelled, map it to how it should sound, and every future take uses it automatically.
Can the voice slow down for on-screen walkthroughs?
Yes — speed adjusts per generation across a wide range, and most demo narration lands slightly below neutral so viewers can follow the cursor while listening.
The interface changed — do I regenerate the whole demo?
No. Edit the paragraphs describing the changed flow and regenerate only those; untouched paragraphs replay from cache at no cost, and the stitched track keeps consistent levels throughout.
Can one voice cover our whole product line?
Yes — voices are stable profiles, so the same narrator can carry every product's demo, onboarding sequence and release walkthrough, keeping your video library sounding like one company.
Does this work for SaaS onboarding videos too?
The workflow is identical: a script per screen, steady narration over a capture, captions for silent autoplay. Chaptered scripts work well for longer onboarding series.