Contact person: Behavioral Envelope Budgeting App

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Location: Mumbai, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"I want to turn a proven envelope-style budgeting method into a modern mobile experience that quietly nudges users toward better money habits through subtle behavioral-psychology cues. The build needs to be truly native on both iOS and Android, so performance feels effortless and device-specific polish (Haptic Touch, Material components, etc.) is possible.

Core functionality is clear: users create and track envelopes, automatically categorize every expense, and receive clear, motivating insights that spotlight spending patterns in real time. All data must sit behind biometric authentication—fingerprint on Android, Face ID / Touch ID on iOS—so login feels frictionless yet secure.

I will provide the UX wireframes, basic color system, and the behavioral prompts we’ll weave into the interface. You’ll architect the mobile codebase, wire up local and cloud data storage, integrate the biometric APIs, and deliver builds ready for App Store and Google Play submission.

Key acceptance criteria
• Smooth onboarding with required biometric setup
• Real-time envelope balance updates after each recorded transaction
• Automatic expense categorization with the ability to re-assign manually
• Dynamic insights screen that refreshes instantly as data changes
• Clean, test-covered code that I can extend for future features

If you have shipped finance apps, understand nudging techniques, and can demo previous Swift/Kotlin or React Native work that meets App Store guidelines, let’s discuss timelines and milestones." (client-provided description)