---
title: "FAQ — RRB Labs, our apps and our games"
description: "Answers about RRB Labs: what the company does, where it is, how to contact it, how to get support for Drone Weather Forecast and PulveCast, and when Rails of Eternity and Shift Rivals will launch."
canonical: https://rrblabs.com.br/en/faq
lang: en
last-updated: 2026-10-08
llms: https://rrblabs.com.br/en/llms.txt
---

# Frequently asked questions

> Answers about RRB Labs: what the company does, where it is, how to contact it, how to get support for Drone Weather Forecast and PulveCast, and when Rails of Eternity and Shift Rivals will launch.

- Canonical URL: https://rrblabs.com.br/en/faq
- Language: en
- Last updated: 2026-10-08
- Guide for AI agents: https://rrblabs.com.br/en/llms.txt

Short answers about the company and its products. If yours is not here, write to contact@rrblabs.com.

## Frequently asked questions

### What is RRB Labs?

RRB Labs (RRB Labs LTDA, CNPJ 69.385.826/0001-12) is a Brazilian software studio that designs, builds and publishes its own mobile apps and video games.

### Where is RRB Labs located?

Av. Marquês de São Vicente, 405, Conj. 1804, Várzea da Barra Funda, São Paulo – SP, ZIP 01139-001, Brazil.

### Which products has RRB Labs released?

Drone Weather Forecast (weather for drone pilots, 50,000+ downloads) and PulveCast (spray weather for agriculture), both free on Android and iOS, with no ads.

### How do I get support for Drone Weather Forecast or PulveCast?

Each app has its own support channel, listed on its site: support@droneweatherforecast.app for Drone Weather Forecast and support@pulvecast.com for PulveCast. You can also write to contact@rrblabs.com.

### When will Rails of Eternity and Shift Rivals be released?

Both games are in development and have no release date yet. Follow railsofeternity.com and shiftrivals.com for news.

### Are your apps free?

Yes. Drone Weather Forecast and PulveCast are free to download and have no ads. Each offers an optional Pro version: a one-time purchase in Drone Weather Forecast and a monthly subscription with a free first month in PulveCast.

### Which languages do you answer in?

Portuguese, English and Spanish, by e-mail, phone or WhatsApp.

### How can I propose a partnership or a press interview?

Write to contact@rrblabs.com or contato@rrblabs.com.br with a short description of the proposal.

### Can AI agents read this site?

Yes. Every page is available as Markdown (add .md to the path or send Accept: text/markdown), there is an llms.txt guide and a read-only MCP server at https://rrblabs.com.br/mcp.

---

Other languages: [Português (Brasil)](https://rrblabs.com.br/faq) · [Español](https://rrblabs.com.br/es/faq)