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Where can I see your previous work?
Check out our portfolio at AppMakersLA.com/portfolio
What services do you offer?
We are a Los Angeles app and web development company. As such, we offer: 1) Design for Apps, Webapps and Websites 2) Mobile App Development for iPhone Apps, Android Apps and iPad Apps & Web Development for Webapps. Each project includes full QA Services as well as a product manager.
Where are your app developers located?

Our app developers are mainly located at 1250 S Los Angeles St, Los Angeles, CA 90015, though we have other offices around the world, and we hire the best developers wherever and whenever we find them. If having engineers & designers in Los Angeles is critical to the project, we have the resources to make that happen.

How much do you charge for your services?
Our cost varies depending on the project. Please contact us for a mobile app development consulting session and we will get you an estimate + analysis pronto.
Can you build software for startups?
Yes, we consider ourselves a startup app development company, as well as an agency that builds software for already established firms.

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Services / Fix Your App Services

Your App Is Broken.
We Fix It

hello world!
You moved fast. Used AI tools, offshore freelancers, or a cheap dev shop to build your app. It looked great in the demo. Now it's crashing, scaling poorly, leaking money - and nobody can explain why.
We've seen this exact situation 100+ times. We know how to fix it.
10+ years of senior engineering experience
100+ apps shipped to production
$1B+ raised by our clients
Team of 50 in Los Angeles, CA

THE HARD TRUTH

AI Built Your App. AI Can't Save It.

hello world!
Brittle architecture
Crashes and errors under real user load
Unmaintainable code
AI-generated spaghetti no human developer wants to touch
Security gaps
No auth, no encryption, no input validation
Zero scalability
Adding one feature breaks three others
Platform non-compliance
App Store rejections, crashes on older OS versions
Technical debt spiral
No documentation, no tests, no version control discipline

If any of this sounds familiar, you're not alone - and you're not out of options.

WHY APPMAKERS USA

We're the Senior Engineers Who've Seen Everything.

We're not an AI tool. We're not a freelance marketplace. AppMakers USA is a team of 50 senior engineers and designers based in Los Angeles who've collectively shipped over 100 apps - for Walmart, US Bank, and dozens of funded startups that have raised over $1 billion combined.
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.

400+

Apps Shipped

50

Senior Engineers

10+

Years Experience

$1B+

Client Capital Raised

THE SERVICE

Fix Your App - What We Actually Do

We don't just patch symptoms. We diagnose the root cause, rebuild what needs rebuilding, and hand you back a codebase that won't embarrass you in front of investors, users, or the App Store reviewers.

The App Audit

Before we touch a single line of code, we dig in. Our senior engineers review your entire codebase, architecture, and deployment setup. You get a plain-English report of exactly what's broken, why it's broken, and what it'll take to fix it. No fluff. No upsell. Just the truth.

Priority Triage

Not everything needs to be fixed on day one. We separate what's critically broken from what's just messy, and build a prioritized fix plan around your timeline and budget. Need to raise a round in 60 days? We work backward from your deadline.

The Fix - Engineering, Done Right

Our senior engineers take over the broken parts and rebuild them to production standards. Clean architecture. Security best practices. Proper testing. Readable code your future team will thank you for. We fix apps built for demos into apps built for the real world.

Handover & Knowledge Transfer

When we're done, you actually understand what was done and why. Full documentation, code walkthroughs for your team, and a clear roadmap for what comes next. We don't create dependency - we create capability.

Ongoing Support (Optional)

Stay with us or go independent. If you want us in your corner as you grow, we offer ongoing retainer support and maintenance. If not, we hand you off clean. Either way, the app is yours - fixed, documented, and ready.
Book Your Free App Audit →

WHO THIS IS FOR

You've Built Something. Now Make It Work.

Fix Your App is built for three types of people - and we've worked with all of them:
The Vibe-Coder Who Shipped Too Fast
You used Cursor, Bolt, Lovable, or ChatGPT to build an MVP at lightning speed. It worked. Then users showed up. Now it doesn't. We take what you built, stabilize it, and make it scalable without starting from scratch.
The Founder Who Hired Wrong
You hired an offshore team, a low-cost dev shop, or a "full-stack" freelancer who promised the world. The app is half-done, full of bugs, and the developer has gone dark. We pick up the pieces and finish the job.
The Business With a Legacy Mess
Your app has been duct-taped together over years of rushed updates. Every new feature is a gamble. Deployment is a nightmare. You need a senior team to audit, clean, and modernize - without blowing up what's working.

OUR PROCESS

From Broken to Production-Ready in 4 Steps

1
Tell us what's broken
Fill out our short intake form or call us directly. We answer within 30 minutes. No sales call theater - just a real conversation about your app.
2
We run the audit.
Our senior engineers review your codebase and architecture. Within 48–72 hours you receive a full diagnostic report - what's broken, what's at risk, and what a fix looks like.
3
We fix it.
Based on your priorities and timeline, we scope the repair work and get to it. You get weekly updates, direct access to your project manager, and a staging environment so you can see progress in real time.
4
You launch (for real this time).
We hand over a stable, documented, production-ready app. Your team gets a full walkthrough. You get a roadmap for what's next. We celebrate the actual launch.

PROOF

We've Built Apps That Matter

Our team has worked with brands you know and startups that are on their way. We know what production-grade apps look like because we've built hundreds of them.

User Reviews

Danielle Eisenberg
CEO, BachPlace
5 5 stars From Clutch logo
AppMakers USA’s work helped the client improve their platform’s functionality and design. The team delivered detailed wireframes, a product roadmap, and technical recommendations. AppMakers USA delivered work on time and adjusted their recommendations based on the client’s feedback.
Itamar Lilienthal
Founder, Casa Tamarindo
5 5 stars From Clutch logo
App Makers USA delivered a comprehensive roadmap that helped the client stay ahead in a competitive market. The team adhered to deadlines, responded to feedback, and exhibited flexibility throughout the project. Their creativity, technical expertise, and attention to detail impressed the client.
Danielle Eisenberg
CEO, BachPlace
5 5 stars From Clutch logo
Their ability to understand the nuances of event planning and translate them into intuitive design was outstanding.
Yarden Abed
Senior Business Strategy Analyst, Quantum Metric
5 5 stars From Clutch logo
App Makers USA offered insightful suggestions for streamlining the site's UI, helped prioritize key features for the rebuild, and delivered a comprehensive roadmap with clear milestones. The team's attention to detail, transparent communication, and timely delivery made them a reliable partner.
Lauren B.
Project Engineer, IT Company
5 5 stars From Clutch logo
Thanks to App Makers USA’s product analysis, the client managed to refine their app concept and implement improvements. The team managed the project very well — they adhered to deadlines, maintained open communication, and promptly responded to queries and concerns. Their expertise stood out.
Lindsay Engel
AMFT, Healthcare Provider
5 5 stars From Clutch logo
App Makers USA delivered a clear plan for building the portal and provided valuable insights. The team's project management was great; they delivered on time, were incredibly attentive, and knew how to prioritize. Overall, their empathy and genuine interest in the client's mission were impressive.
Noam Shaked
5 5 stars From Google logo
AppMakersLA provided R&D for rebuilding our frontend developer dashboard, delivering a clear roadmap for improving usability, performance, and data visualization. Their ability to bridge technical research with real-world developer needs was outstanding. The project was managed seamlessly, with every milestone met on time and every insight tailored to our specific challenges. No room for improvement—they delivered a solution that is both ambitious and achievable, setting us up for success. We loved working with them!!
Rachel Gardi
5 5 stars From Google logo
AppMakersLA helped us rethink our AI consultancy’s website through deep R&D and a strategic design process. Their approach was thoughtful, clear, and grounded in real user behavior. They delivered high-quality wireframes, content strategy, and technical recommendations on time and with full transparency. There was absolutely no room for improvement—working with them was the most efficient and high-impact partnership we’ve had on a digital project.
Claudia Vazquez
5 5 stars From Google logo
Working with the team at AppMakers LA has been an absolute pleasure. From the start of the project, their communication was clear, consistent, and timely—something that made a huge difference in keeping everything on track. They kept me updated every step of the way, always transparent about progress, challenges, and timelines, which made me feel confident and informed throughout the entire process. Their openness and honesty made them incredibly easy to work with, and it was clear they genuinely cared about delivering a quality product. I really appreciated their ability to explain technical aspects in a way that made sense, and their responsiveness whenever I had questions or feedback. Thank you!
Moish Stern
5 5 stars From Google logo
AppMakersLA helped us scope out and design a chatbot for tenant communication, handling everything from FAQs to maintenance requests. Their deep understanding of our industry, combined with their technical strategy and design skills, gave us a solution that’s both scalable and tenant-friendly. They delivered everything on time, listened closely, and tailored their work to our needs. There was no room for improvement—they exceeded expectations in every way.
Rinat Levy
Student at Tel Aviv University
5 5 stars From Good Firms logo
We wanted to explore the possibility of developing an app that would track student council spending and make the budget accessible to students. The goal was to promote financial transparency and ensure that all funds were allocated in the most responsible way possible.
MJ Ajiduah Silvera
SDE @ Audible, An Amazon Company
5 5 stars From Good Firms logo
AI training has always been the backbone of what we do, but for years, the process felt unnecessarily complex. Our team was spending too much time manually configuring training parameters, and we knew there had to be a better way. The idea of a visual AI training tool had been floating around for a while, but no one really knew where to start. That’s when we connected with AppMakersLA. From the very first meeting, they took our scattered ideas and turned them into a structured, actionable plan. They didn’t just focus on functionality—they thought about user experience, automation, and long-term scalability. The way they broke down complex AI workflows into a simple, intuitive system was nothing short of game-changing.
Milka Cohen
Project Event Manager at Excelsior
5 5 stars From Good Firms logo
Their research gave us a structured, actionable plan for how to bring our event planning app to life. We now have a clear understanding of how automation and technology can drastically reduce the time it takes to organize an event while improving attendee engagement.
Adam Dahan
Data Storage & Protection Expert at Continuity Software
5 5 stars From Good Firms logo
The project with AppMakersLA focused on developing an app to automatically generate cybersecurity tools based on client specifications. They conducted a technical analysis and delivered a roadmap for AI-driven tool selection, automated customization, and integration with existing systems. The outcome was a clear development plan for a scalable solution that enhances security workflows through automation while maintaining compliance. AppMakersLA managed the project efficiently, staying on time and within budget, and provided valuable insights that combined technical depth with business practicality.
Noam Shaked
Senior Enterprise Account Manager @ Lightrun I Connecting Developers with their Live Applications at Lightrun
5 5 stars From Good Firms logo
AppMakersLA started by analyzing our current dashboard’s architecture, identifying areas for performance optimization, and researching how developers interact with debugging tools in real-time environments. They presented wireframes for a more intuitive interface, explored different frameworks for better performance, and outlined how we could integrate dynamic data visualizations to make issue detection faster. They also provided a roadmap for implementation, ensuring the transition would be seamless without interrupting ongoing developer workflows.
Danielle Eisenberg
Co-Founder & CEO @ BachPlace | AI-powered Marketplace at bachplace
5 5 stars From Good Firms logo
AppMakersLA helped us conduct R&D and wireframing for a major revamp of our event planning platform. They were rockstars in all aspects of the process from communication to execution. We appreciate their work and recommend them to ANYONE considering building an app or website.
Bernardo Faigenblat
Defending Digital Worlds with a Shield of Innovation at checkpoint
5 5 stars From Good Firms logo
AppMakersLA helped us research and design an automated quoting portal for our cybersecurity services, streamlining a previously manual and time-consuming process. Their deep understanding of both cybersecurity and user experience allowed them to craft a solution that balanced automation with flexibility. We really loved working with Aaron and Daniel, they're on top of everything.
Jack Kirschenbaum
Administrative Assistant at Rockport Administration Services
5 5 stars From Design Rush logo
I had an amazing experience working with AMLA for custom app development for Rockport Administrative Services. The team was attentive to every detail, ensuring the final product met our expectations perfectly. Their communication was clear, timelines were respected, and the app functions seamlessly. I highly recommend AMLA to anyone looking for reliable, professional development services!
Rinat Levy
Student at tel aviv university
5 5 stars From Design Rush logo
Working with AppMakersLA on the TAU Student Council app was a game-changer. Their mobile app development team transformed our ideas into a sleek, user-friendly app that exceeded expectations. Theyre responsive, efficient, and incredibly skilled.
Milka Cohen
Event Manager at Excelsior
5 5 stars From Design Rush logo
Running Web3 events is exciting, but the logistics can be a nightmare. Wed been relying on a mix of outdated systems and manual processes that made it harder than it needed to be. Every time we planned an event, we ran into inefficienciesdouble bookings, miscommunications, and a lack of centralized data. It was clear we needed a smarter way to manage everything, but figuring out how to build the right tool seemed overwhelming. AppMakers helped us make sense of it all. They're the best dev agency out there.

COMMON QUESTIONS

Yes, We've Heard It Before

Yes. We've seen apps built on scaffolded AI code, apps duct-taped together by five different freelancers, and apps with zero test coverage running in production. We start with an audit, not assumptions. If it's fixable - and almost everything is - we'll tell you exactly how.

It depends on the scope. Critical bug fixes and security patches can be resolved in days. Architectural rebuilds can take weeks to months. After the audit, you'll have a clear timeline before we start any work. No surprises.

That's exactly who this service is for. AI-generated codebases have specific, predictable failure patterns. Our engineers know what to look for and how to stabilize them. The tool doesn't matter - the problems are usually the same.

Not necessarily, and we'd never recommend it unless it's genuinely the faster path. Our goal is to save as much of your existing work as possible. We rebuild what needs to be rebuilt, fix what can be fixed, and leave the rest alone.

Every app is different, which is why we start with a free audit. Once we know what's broken, we scope the work and give you a clear price. No hourly ambiguity, no surprise bills. You approve the scope before we start.

Yes and yes. Our headquarters is in Los Angeles, and we offer in-person meetings with your project manager. We also work with clients across the US remotely. However you work best, we adapt.

We don't start billing until we understand what's wrong. The audit comes first - and it's free. You'll get a written diagnostic that tells you exactly what's broken, what it'll cost to fix, and what you're risking if you don't. You decide whether to proceed. There's no obligation, no pressure, and no invoice until you've approved the scope in writing. We've seen too many founders get burned once already - our process is designed to make sure it doesn't happen twice.

Yes - and this is one of the most common situations we step into. We don't need the original developer, their notes, or their explanation of what they built. Our engineers read codebases cold, every day. We'll reverse-engineer what was built, document what we find, and move forward from there. The only thing we need from you is repository access.

In most cases, yes. We work in staging environments and isolate our changes so your live app isn't disrupted. We'll only push to production once changes are tested, reviewed, and you've signed off. If there's a critical security vulnerability that poses immediate risk to users, we'll flag it clearly and discuss the fastest safe path forward - but we never make unannounced changes to a live product.

Absolutely. We sign NDAs before any code, business logic, or sensitive information is shared. Confidentiality is standard practice for us - we've worked with funded startups, enterprise clients, and everyone in between. Your idea, your IP, and your codebase stay yours. Full stop.

We scope conservatively and flag risk upfront. If our audit reveals a deeper issue than the initial assessment, we tell you immediately - before we charge for the additional work. You'll never receive an invoice for scope you didn't approve. We've seen codebases where the surface problem turned out to be a symptom of something.

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READY?

Stop Patching. Start Fixing

Every day your app stays broken is a day your users lose trust, your burn rate doesn't slow down, and your next funding conversation gets harder. You built something. Let us make it work.
The audit is free. The fix is permanent.
Get My Free App Audit

Or call us now: +1 310 388 6435 - We answer within 30 minutes.

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