---
title: "The Modern Letter"
description: "Agence spécialisée sur Klaviyo pour les marques e-commerce. Flows, newsletters, segmentation et WhatsApp marketing pour fidéliser vos clients et booster votre rentabilité. ★ 4.9/5"
canonical_url: "https://shoplist.co/shopify-brands/modern-letter-com"
markdown_url: "https://shoplist.co/shopify-brands/modern-letter-com.md"
---

# The Modern Letter

Agence spécialisée sur Klaviyo pour les marques e-commerce. Flows, newsletters, segmentation et WhatsApp marketing pour fidéliser vos clients et booster votre rentabilité. ★ 4.9/5

## Public facts
- Website: https://modern-letter.com/
- Category: Services
- Published products: 1
- Published collections: 1
- Detected active apps: 4
- App stack last checked: 2026-10-15 12:47:14.32499\+00

## Public app-stack sample
| App | First detected | Markdown profile |
| --- | --- | --- |
| Judge.me Product Reviews App | 2026-10-13 08:11:36.638\+00 | https://shoplist.co/shopify-apps/judge-me-product-reviews-app.md |
| Loox ‑ Product Reviews App | 2026-10-13 08:11:36.638\+00 | https://shoplist.co/shopify-apps/loox-product-reviews-app.md |
| Klaviyo: Email Marketing & SMS | 2026-10-13 08:11:36.638\+00 | https://shoplist.co/shopify-apps/klaviyo-email-marketing-sms.md |
| 301 Redirect \| Fix 404 Links | 2026-10-13 08:11:36.638\+00 | https://shoplist.co/shopify-apps/301-redirect-fix-404-in-bulk.md |

This profile displays 4 app examples, bounded to six. Public detection can miss admin-only or server-side apps. The sample does not include private contacts, people, or internal scores.

## Related links
- [HTML profile](https://shoplist.co/shopify-brands/modern-letter-com)
- [Public search](https://shoplist.co/search)
- [Data methodology](https://shoplist.co/data-methodology.md)