Building thoughtful, human-centered mobile experiences.
MJ App Studios LLC is an independent software studio crafting intuitive programs, utility tools, and mobile applications engineered for clarity and performance.
Engineering Focus
Native iOS & Swift architecture with resilient backend APIs.
Design Standard
Minimalist UI built around tactile feedback and privacy.
Verified Entity
Active registered U.S. software entity (Wyoming LLC).
Featured Product Showcase
Our consumer applications are designed from the ground up to foster deeper human connection through intuitive tools.
The modern relationship journal for couples.
Keepsake is a dedicated space created for partners to record shared memories, celebrate relationship milestones, maintain intimate daily reflections, and build a timeless timeline together.
Shared Memories
Real-time sync between partners for photos & notes.
Milestone Tracking
Anniversaries, relationship goals, and memory highlights.
Private & Secure
End-to-end privacy for intimate couple records.
Fluid iOS UX
Tactile haptics, dark mode, and widget support.
"Looking back at our first trip to Wyoming... every memory feels timeless."
What made you smile together today?
Engineering software with intention and craftsmanship.
MJ App Studios LLC operates as an independent product development lab, creating consumer mobile apps, backend systems, and utility micro-tools.
Mobile iOS & Android Engineering
We specialize in native Swift, SwiftUI, and cross-platform mobile architectures designed for responsive frame rates, low latency, and offline capability.
High-Performance Infrastructure
Robust cloud backends built with scalable databases, real-time sync protocols, edge computing, and strict privacy protection standards.
User Experience & Product Design
Human-centered interfaces stripped of digital bloat. We prioritize legibility, fluid animation, accessible design, and tactile micro-interactions.
Corporate Entity & Operating Status
Verified ActiveMJ App Studios LLC is a legally registered limited liability company organized under the laws of the State of Wyoming, USA.
Connect with our engineering team.
Whether you have questions regarding our flagship application Keepsake, corporate verification, privacy inquiries, or general support, we are here to assist.
User & App Support
For technical support, account help, and app feedback for Keepsake.
Corporate & Inquiries
For corporate inquiries, legal verification, and partnership requests.