Joseline
A native mobile application featuring an exclusive library of custom emojis, stickers, and GIFs curated by television personality Joseline Hernandez. The platform bypasses native OS restrictions to let fans inject branded digital assets directly into third-party messaging apps like iMessage and WhatsApp.
- 500+
- App Downloads
- 200+
- Total Users
- 120+
- Push Notifications
Overview
Joseline app is a custom mobile keyboard and digital merchandise platform built exclusively for television personality Joseline Hernandez. The application provides her fanbase with a dedicated, monetized library of exclusive emojis, stickers, and high-quality GIFs, engineered to function seamlessly across third-party messaging platforms like iMessage and WhatsApp.
For Joseline Hernandez, the Goal Was Owning the Digital Fan Experience
Entertainment brands and public figures face a distinct commercial challenge: translating massive social media metrics into owned, predictable revenue. Relying entirely on external social platforms limits direct sales opportunities and leaves audience engagement vulnerable to algorithm changes.
The client required a standalone iOS application to serve as a direct-to-consumer storefront for exclusive digital merchandise. The objective was to build a secure, scalable mobile environment—leveraging Apple's In-App Purchase framework—that allowed users to unlock and export custom media, successfully transforming passive followers into active paying customers.
The Challenge
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OS-Level Integration
- Engineering custom iOS keyboard extensions to inject media directly into restrictive third-party chat environments.
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Monetization
- Building rigorous validation pipelines for Apple In-App Purchases to strictly govern premium content access.
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Optimization
- Structuring Node.js architecture to rapidly fetch heavy GIF files without degrading native device performance.
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Dynamic CMS
- Developing a centralized backend allowing the client's management team to categorize and push new digital assets live.
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Interface Parity
- Designing the digital keyboard to perfectly mirror native iOS typing layouts to eliminate user friction
Project Challenges
Engineering a standalone digital keyboard opened several high-value functional channels for the client’s brand:
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Embedding branded media natively into private messaging environments like iMessage and WhatsApp, transforming fans into active daily promoters.
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Establishing a direct-to-consumer digital storefront powered by Apple In-App Purchases to unlock a scalable, high-margin revenue stream.
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Deploying an agile content management system (CMS) that equips the client's management team to instantly publish new sticker packs in response to real-time viral trends.
Project Solutions
To bypass strict OS sandboxing and establish a secure digital storefront, AppZoro delivered three core architectural builds.
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Developed a custom iOS extension enabling users to seamlessly drop heavy GIFs and stickers into iMessage or WhatsApp with zero input lag.
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Integrated Apple’s In-App Purchase gateway with robust server-side validation to instantly process micropayments and unlock premium merchandise.
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Deployed a scalable Node.js backend and CMS dashboard, giving the client full control to publish new trending content to users in real time.
Tech stack
Technologies
Built with a modern, scalable technology ecosystem.
Application
Joseline
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Mobile
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Swift (iOS Native)
Mobile
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Backend
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Node.js
Backend
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Design Tools
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MongoDB
Design Tools
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Adobe XD Zeplin
Design Tools
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Development Tools
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Xcode
Development Tools
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Our Process
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Feasibility & Scope
OS restriction analysis Media payload mapping
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Architecture Design
Extension prototyping Database structuring
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Core Development
iOS native integration CMS backend API setup
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Quality Assurance
OS compliance testing App Store rollout
Post-Deployment Stability & Performance
- 92% Customer Engagement
- 85% Service Discovery Improvement
- 2X Digital Reach
- Universal Works across all major messaging apps
- Autonomous Client-controlled content updates via CMS
- Encrypted Server-side validation for premium access
After launch, the extension held steady across every major messaging environment, maintaining asset delivery without slowing the device it ran on.
Client Testimonial
Their real-time shipment tracking dashboard gives us full visibility across our fleet. Customers get accurate updates and our team handles far fewer status inquiries.
