---
title: "HBD: Birthday Letter Vault — App Overview"
url: https://marlvel.ai/intel-report/entertainment/hbd-birthday-letter-vault
category: Entertainment
developer: Muhammad Ziyad Al Maududi
platforms: ios, android
rating: N/A (0 ratings)
pricing: paid
report_level: overview
generated: 2026-05-09
last_verified: "2026-05-09T11:01:45.422Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** The app functions as a secure, time-delayed delivery vault for personalized birthday correspondence.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Entertainment |
| Rating | N/A ★ (0) |
| Pricing | paid |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.0 |
| Latest Version (Android) | 1.0.3 |
| Developer | Muhammad Ziyad Al Maududi |

<!-- SECTION: Summary -->
## What is HBD: Birthday Letter Vault?

HBD: Birthday Letter Vault is a digital messaging platform designed to store and schedule birthday greetings for future delivery. The app focuses on building anticipation through time-locked messages that require specific credentials to access.

<!-- SECTION: Key Features -->
## Key Features

- **Letter Lock until D-Day**: Allows users to schedule birthday messages to remain inaccessible until the recipient's specific birthday.
- **Open a Letter by Unique Name and Key**: Enables recipients to unlock messages using a personalized name and unique security key.

<!-- SECTION: Target Audience -->
## Who is it for?

Individuals looking to create scheduled, secure, and personalized birthday messages for friends and family.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/hbd-birthday-letter-vault/id6569256230?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.mziyadam.hbd&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/entertainment/hbd-birthday-letter-vault)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/entertainment/hbd-birthday-letter-vault).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*