New custom-made apps and systems
We review, correct, and deploy apps and systems built with Base44, Lovable, Claude Code, Codex, and other tools. We ensure security, integrate with your existing systems, and provide a dedicated account holder after delivery.
The AI already builds the application. It doesn't take responsibility for it.
The four stages
who is it for
You don't need to hire everything at once. We'll start with the review.
Everything about custom apps and systems, organized by theme. Tap to open.
who is it for
The front line covers apps created with AI and custom-built business systems. The common thread: someone needs to be accountable for them.
An app built on Base44 or Lovable that will now receive real data, role-based permissions, and integration with CRM or ERP.
A SaaS or app for clients that needs security, LGPD compliance, billing, and scalability before opening its doors.
IT or innovation professionals using Claude Code, Codex, or Cursor want an independent review before publishing, and someone to support it afterward.
It slowed down with the volume, it breaks down with every change, or whoever built it left the company, and nobody knows how to maintain it.
What currently exists in spreadsheets, forms, and WhatsApp requires a business system integrated with what the company already uses.
In the initial 30-minute conversation, we understand the app or process and tell you where to start.
Chatting on WhatsAppHow the front works
Each stage has a defined deliverable and acceptance criteria: what needs to be working for it to be considered completed. The X-ray is the entry point; the others come in when they make sense.
Entrance door
A closed-scope review across nine dimensions, without altering anything in the app.
You will receive: a severity report, a prioritized plan, and a recommendation between remediation, rebuilding, or migration.
Scope and investment are finalized before commencement. If you contract the next phase, the value of X-ray It is shot down. Understanding the App's X-rayCritical fixes, separate environments, backups, monitoring, and the integrations the app needs.
You will receive: The app is live, with acceptance criteria and documentation.
Project with scope derived from X-rayNew features, integration with CRM and ERP, or rebuilding in Base44 or custom code.
You will receive: Deliveries in stages, each with its own acceptance criteria.
Project or time bankMonitoring, keeping AI costs under control, updates and support.
You get: Someone who responds when something goes wrong, and an app that improves as it runs.
Monthly The Support of BytebioNo step is mandatory. If the app doesn't exist yet, we start with diagnosing the process.
Prototype and production
The screen may be the same. What changes is what's behind it, and that's what determines whether the app can handle real customers.
In the prototype: AI and payment keys in the code that runs in the browser.
In production: Keys are stored on the server, out of reach of those using the app.
In the prototype: Every logged-in user can see everything.
In production: Each role only sees what it is allowed to see.
In the prototype: The change will directly affect the user.
In production: Separate testing environment, change approved, and safe rollback.
In the prototype: No backup was restored.
In production: Backup restored during testing.
In the prototype: The error appears when the customer complains.
In production: Alert the customer before they even notice.
In the prototype: The app assistant with no spending limit.
In production: Usage limit and cost dashboard
In the prototype: The order is re-entered into the CRM and ERP systems.
In production: Integration with CRM and ERP systems, with a record of what came in and where it came from.
In the prototype: Only those who built it know how it works.
In production: Documentation, acceptance criteria, and training for your team.
Tools
We work with the app where it was made. Of the tools mentioned here, the Bytebio We only have an official link with Base44, through the embassy; in the others, we entered as independent engineers.
The app originates from a conversation and usually comes with a database, login, and publishing capabilities. It's fast, which is why access and data decisions are made later.
Where it can go: fix and continue on the platform, or take the code to your own repository and hosting.
The code is stored in the team's repository, and the agent writes quickly. The concern lies in what gets submitted without review.
Where it can go: independent review before publishing, the testing and publishing path, and sustainability.
Saulo Amui, CEO of Bytebio, is a Base44 Ambassador in Brazil, in the Founding Class. We design, build, and maintain business applications on Base44 and review existing apps.
Fix, rebuild, or migrate
Sometimes fixing something costs more than redoing it. The recommendation comes with the reasons, and the decision is yours.
When the foundation is good and the problems are isolated: access rules, keys, testing, and backups.
The app remains on the platform where it originated.When it's a business application, such as a dashboard, portal, approval workflow, or internal tool, what already exists doesn't make sense to fix. The database, login, and hosting are already included with the platform.
A Bytebio It is responsible for the architecture, the integrations, and the structural support.When the app is the product: it has its own business rules, scale, or hosting and data requirements that demand complete control.
With the code in your company's repository.Responsibility
Building is the quick part. What the Bytebio Selling means continuing to respond through the app after delivery.
The same engineering underpins the products in production at the company:
If you just want to fix a specific error at the lowest price, if the app doesn't yet have users or real data, or if no one in the company is responsible for it, another approach will serve you better.
FAQ
It's about building software by describing to an AI what you want, through conversation, and letting it write the code. Tools like Base44, Lovable, Bolt, and Replit build the entire app this way; Claude Code, Codex, and Cursor work within the programmer's repository. The result arrives quickly, and the responsibility for it remains with whoever puts it into use.
Both. We review and put into production existing apps, and we design and build custom business systems, in Base44 or in our own code, integrated with the company's CRM and ERP. When the app already exists, we start with an App X-ray ; when it doesn't yet exist, with a process diagnosis.
With apps and systems built using Base44, Lovable, Bolt, Replit, Cursor, Claude Code, Codex, and similar tools, as well as code written in the traditional way. Of those that appear here, the Bytebio has an official link only with Base44In the first case, we went through the embassy; in the second, we entered as independent engineering firms.
Yes. We start with the App X-ray , which shows what needs to be fixed before proceeding and provides a recommendation between fixing, rebuilding, or migrating.
Not always. Often it's possible to correct the situation and continue where it is. The recommendation comes from the X-ray assessment, with the reasons given, and the decision is yours.
Yes. Integrating the CRM, ERP, and APIs that the company already uses is part of the daily routine. Bytebio, with a record of what came in and where it came from. See the system integrations.
The App X-ray has a fixed scope and investment before it begins, by tier, according to the app's size and what it touches. Subsequent steps are budgeted based on the scope that falls outside of it, and the cost of the X-ray is deducted if you proceed with the next steps. Bytebio.
The deadline comes from the X-ray review, along with the scope and acceptance criteria. We don't promise a deadline before reviewing the app.
In the Support process , there is a defined channel and responsible party as outlined in the contract. We investigate the cause and document what was done.
We document and train your team. We stay with you for as long as you need, without creating dependencies.
Via WhatsApp : describe what the app does, what tools it was developed for, and who uses it. The initial conversation takes 30 minutes, and from it comes the proposal for the App's X-ray.
You don't need to hire everything at once. We start with the review, and the other steps come in when they make sense.