BADREP / SYNTHESIA EMAILS

How Synthesia writes email.

5 emails classified across 1 months, all sent through HubSpot. Tracked since Aug 2026. Every hook, framework, offer type and CTA — on the record.

Synthesia is one of 973 brands tracked in the BadRep vault, classified under AI Tools & Companions + Photo & Video. We've indexed 5 emails from Synthesia since August 2026, sent at a cadence of roughly 5/month through HubSpot. Their program leans on Product Launch sends with Bold Claim hooks; below is everything BadRep has noticed about how they actually write to their list.

WHAT WE NOTICED
  • Steady cadence at 5 emails/month over 1 tracked months.
  • Personalizes 7.7× more than the median brand (100% vs 13% — merge tags, dynamic blocks, you-the-subscriber language).
  • Product Launch is the dominant program — 60% of all sends (3 of 5 emails).
  • Hook of choice: "Bold Claim" — opens 40% of sends.
  • Subject lines average 29 characters, tight — most readers see the whole thing in any inbox.
  • Leans on emoji in subject lines — 60% include one, vs catalog median of 8%.
  • Latest send tracked: 2 days ago — Synthesia is currently active.
VS THE AI TOOLS & COMPANIONS BENCHMARK

How Synthesia stacks up in AI Tools & Companions.

Against the AI Tools & Companions field, Synthesia personalizes more than the median (100% vs 29%).

MetricSynthesiaAI Tools & Companions medianRead
Emoji in subject60%53%≈ niche
Personalization100%29%3.4× niche
Median subject length28 chars36 chars22% shorter
Median body length114 words131 words13% shorter

Benchmarks computed from 129 emails across 17 AI Tools & Companions brands in the BadRep vault.

THE PATTERNS

What Synthesia does on repeat.

5
emails/mo
1 active months
100%
personalized
merge tags + dynamic content
60%
with emoji 📨
avg subject: 29 chars
0%
with animated GIFs
motion in the inbox

Most-used email types

  1. 01Product Launch60%
  2. 02Re-engagement20%
  3. 03Free Trial20%

Most-used hook types

  1. 01Bold Claim40%
  2. 02Question40%
  3. 03Direct Offer20%
SEND CADENCE

The last 6 months of Synthesia.

Latest send tracked: 2 days ago. Peak month was Aug 26 with 5 emails.

0
Mar 26
0
Apr 26
0
May 26
0
Jun 26
0
Jul 26
5
Aug 26
COMMONLY ASKED

Synthesia email FAQ.

What email platform (ESP) does Synthesia use?
Synthesia sends through HubSpot, based on 5 emails analyzed by BadRep. ESP signals come from sending infrastructure (return path, DKIM, List-Unsubscribe headers) — not self-reported.
How often does Synthesia send marketing emails?
Synthesia sends roughly 5 marketing emails per month, averaged across 1 months of tracked activity. Peak send month was August 2026 with 5 emails.
What types of emails does Synthesia send?
Synthesia's most-used email programs are Product Launch (60%), Re-engagement (20%), Free Trial (20%). The full classification covers 3 distinct email types across BadRep's taxonomy.
What hook types does Synthesia use to open emails?
Top three hook types in Synthesia's subject-line + opener combinations: Bold Claim (40%), Question (40%), Direct Offer (20%). BadRep classifies every email's opening hook to make stylistic patterns searchable.
How long are Synthesia's subject lines?
Average subject-line length for Synthesia is 29 characters across 5 emails. 60% include at least one emoji.
Does Synthesia personalize its marketing emails?
100% of Synthesia's emails show personalization signals — merge tags, dynamic content blocks, or first-person framing tied to subscriber attributes.
What category is Synthesia in?
BadRep classifies Synthesia under AI Tools & Companions and Photo & Video. Niche tagging reflects the audience signal in the emails themselves, not the brand's own positioning copy.
Where do these Synthesia email examples come from?
Every email in this analysis was received, classified, and indexed by BadRep — a searchable email-intelligence vault. Subscribers can view full screenshots, raw HTML, and 20+ filter dimensions per email.

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