ISTO. emails
ISTO. sends about 4 emails a week through Klaviyo, most often on Thursday around 4 PM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 4
- Busiest send time
- Thursdays at 4pm ET
- Last sent
- 2 days ago · Oct 30
- Tracked since
- Mar 2026
- Emails collected
- 116
- Website popularity
- Top 1 million sites
Recent emails
Oct 30, 2026 5:55 AM
Still thinking about this?
Oct 26, 2026 5:00 PM
The Flannel Guide
Oct 24, 2026 2:00 PM
Introducing: The Wool Bomber Jacket
Oct 22, 2026 2:00 PM
The Oxford with a Twist
Oct 21, 2026 6:47 PM
Your 10% Off is Expiring
Oct 20, 2026 2:01 PM
Seiva & Feitio, Two Doors in Leça
Recent subject lines
All subject linesSubject lines average 27 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 30, 2026 3:00 PM | Meet Your Autumn Layers | Brushed cotton, wool and canvas. Autumn, up close. | |
| Oct 30, 2026 5:55 AM | Still thinking about this? | Worth a second look | |
| Oct 29, 2026 9:54 AM | Still thinking about this? | You left an everyday basic behind. Go ahead. | |
| Oct 26, 2026 5:00 PM | The Flannel Guide | This year's Flannel line-up. | |
| Oct 24, 2026 2:00 PM | Introducing: The Wool Bomber Jacket | Meet our refined, heavyweight, and winter-ready new Wool Bomber. | |
| Oct 22, 2026 2:00 PM | The Oxford with a Twist | Brushed, cozy, and perfect for Autumn. New Brushed Oxford Shirts. | |
| Oct 21, 2026 6:47 PM | Your 10% Off is Expiring | High-quality, transparency and a little welcome gift are waiting for you. | |
| Oct 20, 2026 2:01 PM | Seiva & Feitio, Two Doors in Leça | Just a hunch, one chef and two restaurants side by side. |
Archive
View full archiveOctober 2026 17 emails
View allOct 18, 2026 2:01 PM
Oct 14, 2026 4:01 PM
New Arrivals: The Work Jacket in three new colors
Oct 12, 2026 4:02 PM
Oct 10, 2026 4:01 PM
Oct 9, 2026 6:44 PM
Oct 8, 2026 10:42 PM
When ISTO. sends
23% of its emails arrive in the 4 PM hour. Thursdays 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 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 1 | 4 | 0 | 0 | 0 | 0 | 1 |
| Tue | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 5 | 0 | 3 | 1 | 0 | 0 | 0 | 1 |
| Wed | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 3 | 0 | 0 | 0 | 0 | 0 |
| Thu | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 7 | 0 | 7 | 0 | 4 | 1 | 0 | 0 | 1 | 0 |
| Fri | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 1 | 3 | 0 | 0 | 0 | 0 | 0 |
| Sat | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 3 | 0 | 4 | 1 | 0 | 1 | 0 | 1 |
| Sun | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 5 | 0 | 5 | 2 | 3 | 1 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 1 | 0 | 1 | 0 | 0 | 1 |
| 1a | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| 2a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4a | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 1 | 2 | 1 | 0 | 1 | 0 | 0 |
| 6a | 1 | 0 | 1 | 0 | 0 | 1 | 0 |
| 7a | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| 8a | 0 | 0 | 1 | 1 | 0 | 0 | 1 |
| 9a | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 10a | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 11a | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| 12p | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2p | 0 | 7 | 2 | 7 | 1 | 3 | 5 |
| 3p | 1 | 0 | 0 | 0 | 1 | 1 | 0 |
| 4p | 2 | 5 | 2 | 7 | 3 | 3 | 5 |
| 5p | 1 | 0 | 0 | 0 | 1 | 0 | 2 |
| 6p | 4 | 3 | 3 | 4 | 3 | 4 | 3 |
| 7p | 0 | 1 | 0 | 1 | 0 | 1 | 1 |
| 8p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9p | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 10p | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 11p | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
FewerMore(busiest cell: 7 emails)
Based on 116 emails received from Mar 16 to Oct 30, 2026. Times in US Eastern. How we collect · When all brands send
How often ISTO. sends
Complete months have run between 12 and 17 emails.
- Busiest month
- Jul 2026, 17
- Quietest month
- May 2026, 12
- Busiest day
- Thursday, 24
- Quietest day
- Wednesday, 11
About ISTO.
- ESP
- Klaviyo
- Website popularity (CrUX)
- Top 1 million sites
- Tracked since
- Mar 2026
- Emails collected
- 116
- Emails a week
- about 4
- Last sent
- Oct 30, 2026
- Sends from
- hello@
isto.pt - Subject length
- 27 characters avg
Counts include automated emails such as a welcome series. Website popularity is the bracket the brand's site falls in by visits, from Google's public Chrome UX Report (CrUX).
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 ** Celloa **us-celloa.com | Klaviyo | about 4 | Sunday | Oct 14, 2026 | Klaviyo · about 4 a week · busiest Sunday · last sent Oct 14, 2026 | ||
 100 Cal Snacks100calsnacks.com | Klaviyo | about 4 | Wednesday | Oct 31, 2026 | Klaviyo · about 4 a week · busiest Wednesday · last sent Oct 31, 2026 | ||
 12k padel12kpadel.com | Klaviyo | about 4 | Thursday | Oct 29, 2026 | Klaviyo · about 4 a week · busiest Thursday · last sent Oct 29, 2026 |
