Echo-Sigma emails
Echo-Sigma sends about 2 emails a week through Klaviyo, most often on Friday around 3 AM Eastern.
Early figures, based on 19 emails received from Mar 16 to Oct 22, 2026.
- ESP
- Klaviyo
- Emails a week
- about 2
- Busiest send time
- Fridays at 3am ET
- Last sent
- 8 days ago · Oct 22
- Tracked since
- Mar 2026
- Emails collected
- 19
Recent emails
Oct 22, 2026 3:41 AM
Limited Time: Enjoy 10% OFF
Oct 20, 2026 3:35 AM
We really appreciate you!
Oct 18, 2026 3:33 AM
A message from our founders
Oct 16, 2026 3:32 AM
Be ready for anything
Oct 14, 2026 3:30 AM
You're in! Welcome to Echo-Sigma!
Oct 1, 2026 9:35 PM
We think you'll like these
Recent subject lines
All subject linesSubject lines average 37 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 22, 2026 3:41 AM | Limited Time: Enjoy 10% OFF | Answering your most asked questions | |
| Oct 20, 2026 3:35 AM | We really appreciate you! | Join our loyalty program and start earning | |
| Oct 18, 2026 3:33 AM | A message from our founders | Discover the values that fuel our mission | |
| Oct 16, 2026 3:32 AM | Be ready for anything | Hear it from our happy customers | |
| Oct 14, 2026 3:30 AM | You're in! Welcome to Echo-Sigma! | Access your free ebook inside! | |
| Oct 1, 2026 9:35 PM | We think you'll like these | Exclusive 50% off LifeStraw with your next complete emergency kit! | |
| Sep 30, 2026 9:32 PM | Thanks for stopping by! | Come back to find your perfect survival gear | |
| Sep 30, 2026 4:49 PM | Different Disasters. Same Question: Are You Prepared? | Back in stock, we have 10 left! The first set of 50 sold out in three days, so we made… |
Archive
View full archiveSeptember 2026 2 emails
View allSep 30, 2026 9:32 PM
Different Disasters. Same Question: Are You Prepared?
Sep 30, 2026 4:49 PM
When Echo-Sigma sends
26% of its emails arrive in the 3 AM hour, with a second, smaller wave around 1 PM. Fridays are the busiest day.
| 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tue | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wed | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Thu | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Fri | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sun | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1a | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3a | 0 | 1 | 1 | 1 | 1 | 0 | 1 |
| 4a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8a | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 9a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11a | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 12p | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| 1p | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
| 2p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3p | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 4p | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 5p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9p | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 10p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 2 emails)
Based on 19 emails received from Mar 16 to Oct 22, 2026. Times in US Eastern. How we collect · When all brands send
How often Echo-Sigma sends
The one complete month so far had 7 emails. April and August were not collected, so they are drawn as gaps and left out.
- Busiest month
- Jun 2026, 7
- Quietest month
- Jun 2026, 7
- Busiest day
- Friday, 5
- Quietest day
- Saturday, 1
About Echo-Sigma
- ESP
- Klaviyo
- Tracked since
- Mar 2026
- Emails collected
- 19
- Emails a week
- about 2
- Last sent
- Oct 22, 2026
- Sends from
- sales@
echo-sigma.com - Subject length
- 37 characters avg
Counts include automated emails such as a welcome series.
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 & Tread Welltreadwellnewyork.com | Klaviyo | about 2 | Tuesday | Oct 27, 2026 | Klaviyo · about 2 a week · busiest Tuesday · last sent Oct 27, 2026 | ||
 103 Collection103collection.com | Klaviyo | about 2 | Tuesday | Oct 27, 2026 | Klaviyo · about 2 a week · busiest Tuesday · last sent Oct 27, 2026 | ||
 1587 Sneakers1587sneakers.com | Klaviyo | about 2 | Wednesday | Oct 27, 2026 | Klaviyo · about 2 a week · busiest Wednesday · last sent Oct 27, 2026 |
