Mobile apps
Android and iOS apps from a single codebase, with store releases, versioning and continuous updates.
Talk about an app
Available for new projects
We build software
We build software
that scales
without limits.
Custom mobile apps, web systems and APIs — from the first sketch to the app stores, with engineering end to end.
3 apps built · 20+ projects delivered
5+
Years writing code
20+
Projects delivered
3
Mobile apps built
100%
Code owned by the client
Our everyday stack
Services
Technology that solves
Technology that solves
real problems, from code to store
We work end to end: we understand the need, design the solution, build it, ship it and keep evolving the product after launch.
Web systems & dashboards
Internal platforms, dashboards and admin areas that are fast, responsive and role-aware.
Build a dashboardAPIs & databases
Data modelling, well-documented REST APIs, authentication and access rules designed to grow without rework.
Design the APIProduct & MVP
From idea to first release in short cycles: lean scope, validation with real users and data-driven evolution.
Validate an ideaSecurity & LGPD
Strong authentication, encryption in transit, privacy policies and account deletion flows that meet store requirements.
Review complianceMaintenance & evolution
Support after delivery: fixes, new features, crash monitoring and performance tracking.
Take over a project
Work
Products built from scratch,
Products built from scratch,
from code to store
Every project here was designed and built by our team from zero — including the infrastructure, the store releases and the post-launch follow-up.
App · Google Play
Mais Gestão
Personal expense tracking that is simple enough to keep up every day.
A personal finance app for people who want to know exactly where the money is going. You log income and expenses in seconds, organise everything by category, account and card, set monthly budgets and follow the trend in visual reports — with cloud sync across devices.
- Log income and expenses in seconds
- Custom categories, accounts and cards
- Monthly budget with limit alerts
- Reports and charts by period
- Cloud sync across devices
- Account and data deletion inside the app
- Flutter
- Dart
- Supabase
- PostgreSQL
- Google Play
App · In development
Bíblia — Estude Mais
The whole Bible in your pocket, working with no internet.
A complete Bible reader with all 66 books and 31,102 verses bundled inside the app — it opens and works with no signal at all. You highlight verses, write notes, save bookmarks, search the whole Bible and follow reading plans. The account is optional: nothing is locked without it, and with it your personal library follows you to any device.
- Full Bible offline, with no server involved
- Highlights in six colours, notes and bookmarks
- Instant search, forgiving of accents and case
- Reading plans, day streaks and verse of the day
- An index of 498 study topics, with filter and search
- Four reading themes, with adjustable font and line height
- Flutter
- Dart
- Supabase
- PostgreSQL
- Android
Coming soon to
Google Play
See details
App · In development
Aprova Cartões
The right credit card for you — no account, no internet.
An app for choosing a credit card before applying for it. Seven questions build the profile, the catalogue is ranked by fit, an educational indicator estimates the credit profile and two options can be compared side by side. Everything is computed on the device: no sign-up, no server and no data leaving the phone.
- A 7-question survey that resumes where you left off
- Catalogue ranked by fit from 0 to 100
- Educational profile indicator, with tips on how to improve
- Side-by-side comparison with per-criterion highlights
- Letícia, an on-device assistant with no external AI
- Works offline, with no account and no data collection
- Flutter
- Dart
- Material 3
- Android
- Web
- Windows
Coming soon to
Google Play
See details
These are the highlights. See the full portfolio, organised by category and searchable.
See all projects
Why us
Why teams choose
Why teams choose
ScaleCodex
You talk straight to the people writing the code. No layers, no middlemen, no promises the product cannot keep.
Short delivery cycles
You see the product working from the first weeks, not only at the end of the project.
Direct contact
Communication without noise: you talk to the developers responsible for the work.
Security from day one
Authentication, encryption and LGPD compliance treated as requirements, not extras.
Built to scale
Architecture and databases designed for growth, so you avoid a rewrite later.
Store releases
We handle signed builds, store listings, Data Safety and the whole review process.
Continuous support
A project does not end at launch: we watch it, fix it and evolve it alongside real usage.
Process
How a project unfolds
A predictable flow, from first contact to a product running at scale.
Discovery
We understand the problem, the audience and the results expected.
Planning
Scope, timeline and investment set out in a clear proposal.
Design
Flows and screens drawn before the first line of code.
Development
Partial, testable deliveries with adjustments every cycle.
Deploy
Release to the stores or to production, with signed builds.
Scale
Monitoring, performance and evolution driven by real usage.
Contact
Let's get your idea off the page
Tell us what you need to build. We usually reply within 24 business hours with the next steps and a first estimate.