Apps by Nerolith

Simple apps for everyday life.

Each app does one thing and works on your phone. Meet Mestre and Sólida.

  • For people who work for themselves

    Clients, quotes and payments in one place.

    Jobs, schedule, Pix and earnings on your phone. Works offline, no account needed.

  • For perimenopause, menopause and beyond

    Strength training that fits your day.

    Workouts of 25 to 35 minutes, at home or at the gym, with a lighter version, a protein goal and a report for your doctor.

Both apps are in Portuguese, for Brazil.

Mestre, the app for service providers

From quote to payment, on your phone.

Mestre organizes clients, quotes, jobs and payment reminders for people who work for themselves. It works fully offline with no account needed, and your data stays on your phone.

Free to start. An app by Nerolith, built for service providers in Brazil; the app is in Portuguese.

Mestre home screen: R$ 2,262.00 to receive, three clients with late payments, two quotes awaiting a reply and the day’s appointments.

Sólida, strength training through menopause

A strength program built for you.

Workouts of 25 to 35 minutes, at home or at the gym, for women in perimenopause, menopause and postmenopause. On days of poor sleep, hot flashes or pain, there is a lighter version.

  • A training program with a demonstration of every exercise
  • Check-in for sleep, energy, hot flashes and pain
  • A protein goal with Brazilian food, no calorie counting
  • Progress and a PDF report to take to your doctor
  • Lia, the virtual assistant, to answer questions

7 days free, then R$ 34.90 a month or R$ 199.90 a year. Sólida is not a medical service and does not diagnose. The app is in Portuguese, for Brazil.

The Progress screen of Sólida, in Portuguese: workouts done, consistency, squat load by week, days of poor sleep and the button to create the report for the doctor.

In both apps

Made for you to use, not to sell your data.

  • No ads.

    Neither Mestre nor Sólida shows advertising, and neither one sells your data.

  • Data on your phone.

    In Mestre, everything you record is stored on the device. In Sólida, your workout data stays on the device too.

  • In Portuguese, for Brazil.

    Pix in Mestre, Brazilian food in Sólida. Both were designed for people who live there.

Get them on Google Play.

For Android phones. Mestre is free to start, and Sólida has 7 days free.