App Repair Lab
Your App Is Broken. We Fix It — Properly.
You moved fast. AI tools, offshore freelancers, a budget dev shop. The demo looked great. Now it's crashing, scaling poorly, leaking money — and nobody can explain why.
Bring it to the Lab. We diagnose the root cause, then fix what's actually broken.
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Diagnose the root cause
Before touching a single line of code, we run a structured audit of your codebase, architecture, and infrastructure. You'll get a clear, jargon-free report explaining what's broken, why it's happening, and what it will take to fix — no guesswork, no vague "everything needs a rewrite."
Stabilize your app fast
Crashes, downtime, and performance failures cost you users and revenue every day. Our engineers prioritize the critical issues first, applying targeted fixes that stop the bleeding — so your app stays online while we work on deeper repairs.
Make your app scalable
An app that works for 100 users shouldn't collapse at 10,000. We redesign bottlenecked components, introduce proper caching and load handling, and prepare your architecture for growth — so success doesn't break your product.
Cut runaway infrastructure costs
Poorly built apps often burn money on oversized servers, inefficient queries, and misconfigured cloud services. We identify where your budget is leaking and optimize your infrastructure — customers typically see cloud bills drop significantly after remediation.
Clean up AI-generated and outsourced code
Code produced by AI tools or low-cost contractors often works in a demo but fails in production. We refactor fragile, undocumented, and duplicated code into a maintainable codebase that any professional developer can work with going forward.
Regain control of your product
No documentation? Previous developers unreachable? We reverse-engineer what you have, document the system, set up proper CI/CD and monitoring, and hand you back a product your team actually understands and owns.
Symptoms We Treat
Moving fast was the right call - shortcuts got you to market. But now those shortcuts are surfacing as real problems. Here's what we typically find when a fast-built app lands in our Lab, and how we fix each one.
↳ Brittle architecture
Works in the demo, crashes under real user load. We simulate production traffic to find breaking points, then rebuild weak spots using practices from the high-availability streaming and data platforms we've built.
↳ Zero scalability
Adding one feature breaks three others. We decouple tangled components, build automated test coverage, and set up CI/CD pipelines - so you ship features again instead of firefighting regressions.
↳ Unmaintainable code
Tangled, undocumented code that resists every change. We audit it, salvage what's solid, and refactor the rest - clean structure, real documentation, standard practices.
↳ Platform non-compliance
App Store rejections, crashes on older OS versions. Our mobile team builds natively for iOS and Android and cross-platform with React Native and Flutter - we know the review pitfalls and bring your app in line with what Apple and Google actually require.
↳ Technical debt spiral
No documentation, no tests, no version control discipline - you're locked out of your own product. We reverse-engineer and document the system, build a test safety net, and hand you back a codebase any team can work with.
↳ Security gapps
No auth, no encryption, no input validation - one breach away from disaster. Our cybersecurity team runs a full security assessment, then implements proper authentication, encryption, and hardened input handling, including enterprise-grade RBAC and SAML.
↳ Industry non-compliance
GDPR fines, HIPAA penalties, failed PCI DSS audits, DORA gaps blocking financial-sector deals. We've delivered compliant systems for government, fintech, banking and healthcare - we find your compliance gaps and close them so regulated markets open up instead of shutting you out.
We're the Senior Engineers and Architects Who've Seen Everything.
We're not an AI tool. We're not a freelance marketplace. Plexteq is a team of 50+ senior engineers, architects and data scientists who've shipped over 80 apps - for large enterprises, and dozens of funded startups. When your vibe-coded app hits the wall, you need people who've built and rebuilt the same things from scratch, dozens of times. That's us.
80+
Apps Shipped
50+
Software Engineers
12+
Years of Experience
$800M+
Client Capital Raised
Protsess
We don't patch symptoms. We diagnose the root cause, rebuild what needs rebuilding, and hand back a codebase that stands up to scrutiny - from investors, from users, from App Store reviewers.
Päring
Application
Audit
Priority
Triage
The Fix - Engineering, Done Right
Handover & Knowledge Transfer
Ongoing Support (Optional)
We start with diagnosis, not assumptions.
Our senior engineers perform a full review of your codebase, architecture, and deployment setup, then deliver a clear report in plain language: what's broken, why it's broken, and what fixing it will realistically take.
An honest technical assessment - with no obligation to continue.
Not everything needs fixing on day one.
We separate critical issues from those that can safely wait, then build a prioritized remediation plan around your budget and timeline.
Raising a round in 60 days? We work backward from your deadline and sequence the work accordingly.
Our senior engineers take over the broken components and rebuild them to production standards: clean architecture, security best practices, proper test coverage, and code any future developer can read and extend.
We turn apps built for demos into apps built for the real world.
You finish the engagement understanding exactly what was done and why.
We deliver full documentation, walk your team through the code, and leave you with a clear roadmap for what comes next.
We don't create dependency - we create capability.
Stay with us or go independent.
If you want a technical partner in your corner as you grow, we offer retainer-based support and maintenance. If not, we complete a clean handover.
Either way, the app is yours - fixed, documented, and ready.
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Who We Help
The Vibe-Coder Who Shipped Too Fast
You used Cursor, Bolt, Lovable, or ChatGPT to ship an MVP at lightning speed. It worked - until users showed up.
AI tools skip the engineering discipline production apps require, and native mobile apps expose those gaps fastest.
We take what you built, stabilize it, and make it scale - without starting from scratch.
The Founder
Who Hired Wrong
An offshore team, budget development agency, or freelance developer delivered less than promised - an incomplete, defect-ridden application, followed by silence.
We take over abandoned and mismanaged projects: auditing the existing work, recovering what holds value, and carrying the product to completion.
The Business With a
Legacy System
Years of incremental patches and rushed releases have left your application fragile: releases are risky, deployments are unpredictable, and development velocity keeps declining.
We audit, refactor, and modernize legacy systems incrementally - preserving business continuity throughout.
