Mystershirt emails
Mystershirt sends about 4 emails a week through Klaviyo, most often on Tuesday around 4 AM Eastern.
- ESP
- Klaviyo
- Emails a week
- about 4
- Busiest send time
- Tuesdays at 4am ET
- Last sent
- Yesterday · Oct 31
- Tracked since
- Mar 2026
- Emails collected
- 135
- Website popularity
- Top 1 million sites
Recent emails
Oct 31, 2026 4:00 AM
Last day: 2 boxes €84,90 + a FREE training shirt
Oct 28, 2026 4:02 AM
Two Mystery Boxes. One FREE training shirt. €84,90.
Oct 26, 2026 4:15 AM
🚨 CREATORS WANTED – BLACK FRIDAY & CHRISTMAS! 🎄📦
Oct 25, 2026 8:00 AM
Less to move, more to unbox
Oct 24, 2026 11:36 AM
15% off if you stay, last chance to save
Oct 24, 2026 4:00 AM
A quick one from me about the warehouse.
Recent subject lines
All subject linesSubject lines average 43 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 31, 2026 4:00 AM | Last day: 2 boxes €84,90 + a FREE training shirt | Hi Mystershirt fan, Today is the last day. Since we started clearing the warehouse, you… | |
| Oct 28, 2026 4:02 AM | Two Mystery Boxes. One FREE training shirt. €84,90. | Here's exactly what's in the bundle. Until 31 October. | |
| Oct 26, 2026 5:02 AM | Spooky offer: 2 boxes €84,90 + a FREE training shirt | No tricks, just treats. Three mystery boxes until 31 October. | |
| Oct 26, 2026 4:15 AM | 🚨 CREATORS WANTED – BLACK FRIDAY & CHRISTMAS! 🎄📦 | Hi Mystershirt fan, We're looking for creators to make Black Friday and Christmas videos… | |
| Oct 25, 2026 8:00 AM | Less to move, more to unbox | 2 Premium Boxes €84.90 + a FREE Training Shirt Mystery Box. | |
| Oct 24, 2026 11:36 AM | 15% off if you stay, last chance to save | M15ABAN. 7 days. No more discounts after that. | |
| Oct 24, 2026 4:00 AM | A quick one from me about the warehouse. | Hi Mystershirt fan, Quick one from me: we're moving warehouse. Anyone who has ever moved… | |
| Oct 22, 2026 8:15 AM | Help us clear the shelves! | Three mystery boxes for you, a lighter move for us. |
Archive
View full archiveOctober 2026 24 emails
View allOct 22, 2026 8:15 AM
Oct 21, 2026 11:35 AM
Oct 21, 2026 11:15 AM
🔥 The best shirts are going out now
Oct 16, 2026 1:45 PM
⏳ Last call: our birthday 1+1 ends tonight
Oct 16, 2026 8:35 AM
⚠️ Your size goes first. 1+1 for a little longer.
Oct 15, 2026 8:58 AM
When Mystershirt sends
14% of its emails arrive in the 4 AM hour. Tuesdays 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 | 1 | 0 | 0 | 2 | 3 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tue | 0 | 0 | 1 | 3 | 2 | 2 | 0 | 1 | 1 | 1 | 3 | 2 | 6 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 |
| Wed | 1 | 0 | 2 | 0 | 2 | 4 | 1 | 2 | 0 | 2 | 2 | 4 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Thu | 0 | 1 | 1 | 1 | 3 | 3 | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Fri | 1 | 2 | 1 | 0 | 3 | 0 | 0 | 1 | 1 | 2 | 2 | 0 | 1 | 4 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
| Sat | 0 | 0 | 0 | 0 | 4 | 1 | 1 | 2 | 0 | 1 | 1 | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| Sun | 2 | 1 | 0 | 2 | 2 | 3 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 1 | 0 | 1 | 0 | 1 | 0 | 2 |
| 1a | 0 | 0 | 0 | 1 | 2 | 0 | 1 |
| 2a | 0 | 1 | 2 | 1 | 1 | 0 | 0 |
| 3a | 2 | 3 | 0 | 1 | 0 | 0 | 2 |
| 4a | 3 | 2 | 2 | 3 | 3 | 4 | 2 |
| 5a | 3 | 2 | 4 | 3 | 0 | 1 | 3 |
| 6a | 0 | 0 | 1 | 1 | 0 | 1 | 0 |
| 7a | 0 | 1 | 2 | 2 | 1 | 2 | 0 |
| 8a | 0 | 1 | 0 | 2 | 1 | 0 | 1 |
| 9a | 3 | 1 | 2 | 0 | 2 | 1 | 0 |
| 10a | 0 | 3 | 2 | 0 | 2 | 1 | 0 |
| 11a | 0 | 2 | 4 | 0 | 0 | 2 | 2 |
| 12p | 1 | 6 | 1 | 0 | 1 | 1 | 0 |
| 1p | 0 | 0 | 0 | 3 | 4 | 0 | 0 |
| 2p | 0 | 3 | 1 | 2 | 1 | 1 | 0 |
| 3p | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| 4p | 0 | 0 | 0 | 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 | 2 | 0 | 0 |
| 8p | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 9p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10p | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| 11p | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
FewerMore(busiest cell: 6 emails)
Based on 135 emails received from Mar 16 to Oct 31, 2026. Times in US Eastern. How we collect · When all brands send
How often Mystershirt sends
Complete months have run between 11 and 24 emails.
- Busiest month
- Jun 2026, 24
- Quietest month
- Aug 2026, 11
- Busiest day
- Tuesday, 28
- Quietest day
- Monday, 13
About Mystershirt
- ESP
- Klaviyo
- Sites
- mystershirt.com, mystershirt.be, mystershirt.pl
- Website popularity (CrUX)
- Top 1 million sites
- Tracked since
- Mar 2026
- Emails collected
- 135
- Emails a week
- about 4
- Last sent
- Oct 31, 2026
- Sends from
- hello@
mystershirt.com - Subject length
- 43 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 | |
|---|---|---|---|---|---|---|---|
 A2Z Golfa2zgolf.com.au | Klaviyo | about 4 | Wednesday | Oct 28, 2026 | Klaviyo · about 4 a week · busiest Wednesday · last sent Oct 28, 2026 | ||
 Aaliyah & Me Jewelleryaaliyahandmejewellery.com.au | Klaviyo | about 4 | Friday | Oct 30, 2026 | Klaviyo · about 4 a week · busiest Friday · last sent Oct 30, 2026 | ||
 Aces Wilderaceswilder.com | Klaviyo | about 4 | Wednesday | Oct 19, 2026 | Klaviyo · about 4 a week · busiest Wednesday · last sent Oct 19, 2026 |
