Case study
AI cover letter and resume generator
A web app that turns a job description into a finished cover letter and resume in minutes.
- 2024
- Web platform
- AI
- Subscriptions
InstaLetter, the product

About the client
InstaLetter is an innovative platform that uses AI to generate tailored cover letters and resumes for job seekers. Designed to save users time and help them stand out to potential employers, the app ensures that every document is optimized for job-specific applications and industry standards.
The problem
While InstaLetter's concept was revolutionary, the client initially didn't know exactly which main features to include in the MVP.
The process
AI Refinement, UX Redesign, and User-Centered Personalization
Our approach to solving InstaLetter's challenges focused on improving the AI's functionality, simplifying the user experience, and adding flexible personalization options. Here's how we tackled the problem:
- 01
Refining AI Content Generation
- Enhanced the AI algorithm to better analyze job descriptions and tailor content to specific roles, industries, and skill sets.
- Integrated natural language processing (NLP) to ensure the output was both relevant and aligned with professional standards for various industries.
- Added a database of job-specific keywords and phrases to optimize resumes and cover letters for applicant tracking systems (ATS).
- 02
Redesigning User Interface & Experience
- Simplified the user journey by creating a step-by-step process that guides users from job input to final document generation.
- Improved navigation, making it easier for users to upload resumes, select job types, and review/edit AI-generated content in a user-friendly interface.
- Streamlined the platform's visual design to reduce cognitive load and enhance ease of use, particularly for less tech-savvy job seekers.
- 03
Introducing Personalization Features
- Developed customization options that allowed users to tweak the tone, style, and format of both resumes and cover letters, ensuring the documents reflect personal preferences.
- Added pre-filled templates based on industry and job function to give users a more personalized starting point.
- Implemented feedback loops so that users could provide input after generating a document, allowing the AI to learn and improve over time.
- 04
A/B Testing & Iteration
- Conducted multiple rounds of A/B testing to fine-tune both the AI's content output and the UX redesign.
- Gained insights from user feedback to improve document quality and overall platform satisfaction, making adjustments to the user flow and personalization options based on real-world usage.
The solution
Following the redesign and AI enhancement, InstaLetter quickly became a top choice for job seekers, offering customized, high-quality resumes and cover letters that truly stand out. Key results include:
- 01
Tailored and Relevant Content
- The enhanced AI now generates cover letters and resumes that are job-specific, increasing the likelihood of passing through ATS filters and catching the eye of recruiters. 90% of users reported higher satisfaction with the AI's output, citing the relevance and professionalism of the generated content.
- 02
Intuitive User Experience
- With a redesigned, step-by-step interface, user completion rates for document generation increased by 60%. The simplified navigation and clean design made it easy for users to generate polished documents in minutes.
- 03
Flexible Personalization
- New customization features empowered users to adjust the tone and style of their resumes and cover letters, leading to greater user ownership. This flexibility contributed to a 40% increase in paid subscriptions as users appreciated the balance between AI automation and personal input.
- 04
Boost in Conversion Rates
- InstaLetter's conversion rate from free trial to paid subscription grew by 35%, significantly boosting revenue and customer retention. The platform's improved functionality and enhanced output made users more likely to invest in the full product.
- 05
Industry Recognition
- InstaLetter's transformation earned it recognition as an award-winning AI-powered career tool. Industry experts praised the platform for its unique blend of advanced AI and user-centered design, helping job seekers generate professional-quality documents with minimal effort.
Conclusion
InstaLetter's transformation from an underperforming tool to an award-winning AI-powered platform is a testament to the importance of refined AI, streamlined user experience, and personalization. By listening to user needs and optimizing its technology, InstaLetter now stands out as a powerful resource for job seekers, setting a new standard for AI-driven career tools.
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