Mobile App Development & Managed Service for a Food & Wellness Application

After a failed vendor handoff left the app undocumented and carrying active critical bugs, InApps took over the codebase, resolved the issues, and has managed it as an ongoing product ever since.

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PROJECT OVERVIEW

Food & Wellness App Takeover

Mobile Development, Managed Service

The client is a New Zealand-based food and wellness brand with 6,000+ active subscribers. Their previous vendor left zero documentation, unresolved critical bugs, and a live user base already experiencing failures, with no clear path to recovery

InApps audited the entire codebase, executed a clean vendor handover, resolved every critical issue, and has continued operating and growing the product as an ongoing managed-service partner for over a year.

▶

Audit an undocumented, inherited codebase end-to-end

▶

Resolve all critical bugs affecting live users

▶

Conduct a structured handover from the outgoing vendor

▶

Build real-time data visibility for product and marketing decisions

▶

Extend the product with a new web application

WHAT THEY NEEDED

Client Requirements

Across each key area, these requirements shaped every recovery and growth decision we made.

Codebase Recovery

They needed someone to make sense of a system nobody on their side fully understood.

✓AI-assisted audit of the inherited codebase, cross-checked by senior engineers, to map structure and dependencies faster than a manual read-through alone

✓Structured handover process with the outgoing vendor to capture tribal knowledge before it disappeared

✓Documentation rebuilt from scratch, drafted with AI assistance and verified line by line against the live system

✓Risk assessment of every critical component, with AI-flagged hotspots prioritized for senior review

Stability & Bug Resolution

Live users were already affected, there was no room for a slow fix.

✓Triaged and resolved all critical production bugs, prioritized by severity and user impact

✓Zero additional downtime during the fix process, with engineers validating every patch before deployment

✓Regression testing before each release to prevent new issues from slipping through

✓Stable foundation locked in before any new feature work began

Data & Analytics

The team had no real-time visibility into how users actually behaved.

✓AI-assisted data standardization across the existing user base to clean inconsistencies at scale

✓Real-time analytics dashboard for product and marketing teams, with insight summaries for non-technical stakeholders

✓Clean data pipelines built to support future campaigns and segmentation

✓Reporting structured so business decisions could be made without engineering involvement

Ongoing Product Growth

The client needed a partner who would stay, not disappear after the fix.

✓Continued feature development tied to live events, with AI tools used to accelerate scoping and estimation

✓Advised on and led the development of a web version of the application to support expanding content and user needs

✓Long-term operational ownership, not a one-time engagement

✓Predictable delivery velocity quarter over quarter, tracked and adjusted using AI-assisted sprint analytics

THE PROBLEM

Business Challenges

The core obstacles inherited from a failed vendor relationship.

Zero Documentation

The previous vendor left without handover notes, leaving the app's engineering history a black box.

Live Critical Bugs

Real users were already experiencing failures in production, with no clear fix path in place.

No Data Visibility

The team had no real-time view into user behavior, making marketing and product decisions reactive instead of data-driven.

Single-Channel Limitation

The product existed only as a mobile app, with no web presence to capture additional growth.

HOW WE SOLVED IT

Our Solutions

Each solution moved clients from vendor failure to a stable, growing product.

Full Vendor Handover Audit

Audited the entire inherited codebase to map every critical issue left by the previous vendor.

Critical Bug Resolution

Fixed and stabilized the app's core issues before building anything new on top.

Real-Time Analytics Dashboard

Built a live dashboard standardizing user data for marketing and product decisions.

Ongoing Web Expansion

Extended the product with continuing feature delivery as a long-term partner.

TECH

BUILT WITH

Technology Stack

A stack rebuilt for stability first, then growth.

Frontend

▶React Native

Backend

▶Node.js

Cloud & Realtime

▶AWS

▶Firebase

Database

▶PostgreSQL

▶Redis

DELIVERY APPROACH

The Experts Behind It

A dedicated team structured to recover, stabilize, and then grow the product as an ongoing partner.

Project Manager1 person

Owns delivery timeline, stakeholder communication, and ongoing roadmap planning.

InApps Delivery TeamBuilt to deliver

×1

Project Manager

×1

Solution Architect

×2

Backend Engineers

×1

Mobile Engineer

Measurable Impact

What We Delivered

FEATURE DELIVERY VELOCITY

1+ Years

ONGOING PARTNERSHIP

6,000+

ACTIVE SUBSCRIBERS SUPPORTED

“

Every question answered in detail. Every delivery on time. Project management that actually deserves the rating they put on it."

MARGO FLANAGAN, DIRECTOR, TWO RAW SISTERS

Key Outcomes

▶Feature delivery velocity tripled compared to the previous vendor

▶Real-time analytics dashboard now drives marketing and product decisions

▶Partnership has continued for over a year

▶Platform stability and performance improved for 6,000+ active subscribers

Our Work in Photos

Behind the Builds

1 / 5

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QUESTION 1

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Our portfolio spans Fintech, Healthcare, Logistics, E-commerce, SaaS, and more, including vendor-recovery engagements like this one.