Patryk Radtke

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Anamirra · 2026 · Own product

Anamirra: a calm app for moments of stress, from idea to Google Play

My own product. I wrote the spec, designed the app, built it in Flutter with Claude Code and made the whole Google Play listing.

4 days

from the first spec to a signed release for Google Play

Spec dated 10 Oct 2026, release 1.0.0 built on 14 Oct 2026

Overview

Anamirra is a free Android app for people who live with stress, anxiety or panic attacks. It brings together calm breathing with a sea made of points, eight exercises for the body, 90 colouring pages, 29 sounds to mix and a short list of good news from the world. I did all of it myself: the spec, every screen, the code in Flutter with Claude Code, the store graphics, the film and the landing page.

The problem

When stress hits, a person does not want to read, sign up or choose from a long menu. Many calm apps start with an account, a subscription offer or a library of content, and many need the internet. I wanted an app that opens straight to help, works offline and feels soft enough that someone stays in it for a few minutes.

  • Help one or two taps from launch, even with shaking hands
  • No account, no ads and nothing important that needs the internet
  • Honest copy: the app never promises to diagnose or treat anything
  • A moving sea that has to stay smooth on mid-range phones

The solution

The start screen opens on a calm sea with an SOS card, and one tap starts guided breathing. During a session the water and a wave of light rise as you breathe in and sink as you breathe out. Around it are four quiet tools: exercises such as 5-4-3-2-1 grounding, colouring by touch, by numbers or freehand, a sound mixer and good news with real sources. The look is light and pastel, with glass surfaces, soft 3D icons and a small girl character who goes through the exercises with you.

  • SOS breathing on the start screen, working without the internet
  • A sea made of points that follows the breath, with a sun by day and a moon at night
  • Eight exercises for the body, from longer exhales to Jacobson relaxation
  • 90 colouring pages and 29 sounds that play together, each at its own volume
  • A layout for phones and one for tablets, with a side bar on the larger screen
Google Play film, with sound
Night: the start screen with SOSBreathe, colour, listenBreathing with the seaSOS and the boat on the seaExercises: the end of a sessionColouring pagesThe sound mixerGood news from the world
The eight Google Play screenshots, read left to right. The sky behind them is one image that goes from night to day.

Process

Define

Spec, flows and a claims policy

Visual direction: pastels and glass

A first dark version, dropped on review

Build

Flutter, Riverpod, go_router

Frame cost measured on every screen

Tested on a Galaxy S25 Ultra

Launch

Eight store screenshots and a 43 s film

Landing page in Polish and English

Free for everyone, support on the site

Result

Four days after the first spec, the release build was signed and ready for Google Play, together with the store listing and the landing page at anamirra.com. I decided to make the whole app free: no subscription, no locks and nothing for sale inside it. People who want to help can support it on the website.

For the store I built a small studio that puts real screens from the app on soft 3D devices. The eight screenshots tell one story, and the sky behind them goes from night to day across the set. The same studio renders the 43-second film.

  • An Android app for phones and tablets, free, with no account and no ads
  • A Google Play listing: 8 phone and 16 tablet screenshots, a feature graphic and a film, in two languages
  • A landing page in Polish and English