Independent product studio — Brazil, est. 2020

Built end to end. Run in production.

We take software from first commit to the app stores — architecture, engineering, infrastructure, release — and keep operating it long after launch.

Products in rotation: 07
Platforms: iOS · Android · Web
Operating since: 2020
Based in: Brazil — remote

01 — Index

Products we build and operate.

Active
Beta
Vacant

Pawly

Beta

A companion for your pet's daily routines — meals, walks, and quiet moments, gently tracked.

Oabei

Active

A calm preparation tool for the Brazilian bar exam. Study sessions, spaced review, mock tests.

oabei.com.br

Mooni

Active

Track your mood. Blame the moon. A mood journal that correlates how you feel with lunar phases — 30 seconds a day, fully offline.

Enem Questions

Active

A clean take on past ENEM exam questions across all four subject areas — with progress tracking and weak-spot detection.

questoesenem.app

Prayer Times

Active

Salah times and a live Qibla compass, calculated from astronomical algorithms — fully offline, no ads, no tracking.

Astro Planner

Active

Astrophotography planning. Sun and moon, golden hour, light pollution map, Milky Way visibility, live aurora tracking.

Biteline

Beta

Solunar fishing and hunting times — major and minor feeding periods computed from real moon positions. Offline, no ads, no subscriptions.

Untitled

Vacant

Reserved for the next product worth shipping.

02 — Capabilities

Every layer, in-house.

Product engineering

Native-quality mobile with Flutter; fast, content-first web with Astro and Next.js. Design and engineering under one roof.

Infrastructure & release

Serverless backends, edge deployment, observability, and fully automated App Store and Play Store releases. Every product ships on its own pipeline.

Operating for the long run

Shipping is the start. Analytics, marketing automation, localization, and updates — we run what we build, years after launch.

Flutter · TypeScript · Astro · Next.js · Node.js · Drizzle · Turso · Vercel · AWS SES · Fastlane · App Store Connect · Google Play

03 — Client work

We take on a limited number of client engagements a year — full product builds, mobile or web, with the same engineering standards as our own catalog.

contact@d2vsolutions.com