Survival Apps sign: a neon magenta compass rose inside a diamond, the words SURVIVAL APPS, SYS://PROTOCOL-7

Transmission archive

Real portfolio, no promises. Each post documents a real project, or a topic worth digging into — from technical choices to mistakes, unfiltered. Three zones, one map of the territory.

// MAP OF THE TERRITORY

ZONE 1

Web Apps

Projects built from scratch: dashboards, tools, utilities that solve real problems — often mine first. Python · Flask · SQLite.

ZONE 2

Mobile / Android

Native apps, from concept to deploy. Android · Capacitor · PWA.

ZONE 3

Cyberpunk / Survival

The identity space: aesthetics, themed hardware, projects like the Zoltar machine. Hardware · Arduino · Aesthetics.

// CATALOG

7.99 €

BioRadar

Flora & Fauna Scanner

7.99 €

EcoSurvivor

Survivor's Personal Finance

7.99 €

HotSummer

The app that turns heat into action

// ALL TRANSMISSIONS

TRANSMISSION 034 29 SEP 2026
ZONE 2 — MOBILE / ANDROID · DECISION GUIDE

Your phone already knows how to call for help: turn these features on

Emergency SOS and emergency contacts are already built into Android and iPhone. Here's how to switch them on.

TRANSMISSION 033 22 SEP 2026
ZONE 1 — WEB APPS · GUIDE

A channel that asks for nothing in return

Survival Apps has no newsletter. It has an RSS feed: no account, no tracking, no email list. Here's how it works and why.

TRANSMISSION 032 17 SEP 2026
ZONE 3 — CYBERPUNK / SURVIVAL · REFLECTION

The music that stays on when I'm not there

42-minute ambient loops to leave running while you work — the latest three, just uploaded to the Survival Apps YouTube channel.

TRANSMISSION 031 11 SEP 2026
ZONE 3 — CYBERPUNK / SURVIVAL · BUILD LOG (PART 2)

I Power It All Up and See If It Holds

My own web interface for the LoRa tracker, tested live: what it shows, what it's for, and why it sometimes beats a phone app.

TRANSMISSION 030 03 SEP 2026
ZONE 3 — CYBERPUNK / SURVIVAL · REFLECTION

The neighborhood is the first survival network

Before a bunker or a mesh radio, your real survival network is your neighborhood: the people you know in person, on your own block.

TRANSMISSION 029 01 SEP 2026
ZONE 3 — CYBERPUNK / SURVIVAL · BUILD LOG

A radio that asks nobody's permission

The Wio Tracker L1 Pro arrived with Meshtastic firmware: unboxing, first tests on the Lombardy mesh, and a local web app to run it from my desk.

TRANSMISSION 028 27 AUG 2026
ZONE 3 — CYBERPUNK / SURVIVAL · REFLECTION

Commodore 77: The Past Comes Back Dressed as Night City

The Commodore 64 Ultimate meets Cyberpunk 2077 in a special edition announced at Gamescom 2026. A field note on why this retro rebirth matters to me.

TRANSMISSION 027 23 AUG 2026
ZONE 1 — WEB APPS · REFLECTION

What keeps a workshop standing.

Code only carries a project so far. Written by someone who recently sat down at the Officina bench.

TRANSMISSION 026 19 AUG 2026
ZONE 1 — WEB APPS · REFLECTION

The Law Always Comes Later

From seat belts to speed limits to today's AI Act: why the law meant to protect you from a technology always arrives years too late.

TRANSMISSION 025 12 AUG 2026
ZONE 3 — CYBERPUNK / SURVIVAL · REFLECTION

Solar eclipse: why a darkening sky isn't the end of the world

The August 12, 2026 solar eclipse without the panic filter: an omen of doom for millennia, yet an event that destroys nothing.

TRANSMISSION 024 08 AUG 2026
ZONE 3 — CYBERPUNK / SURVIVAL · REFLECTION

Neuromancer: the book that wrote the aesthetic of Survival Apps

Why William Gibson's Neuromancer (1984) is the book that shaped this blog's technical and visual imagination more than any other, read through a personal lens.

TRANSMISSION 023 05 AUG 2026
ZONE 2 — MOBILE / ANDROID · MANIFESTO

Three apps, three pillars of survival

BioRadar, EcoSurvivor and HotSummer share a common thread I only found afterwards: know nature, don't waste resources, face the extremes.

TRANSMISSION 022 01 AUG 2026
ZONE 2 — MOBILE / ANDROID · REFLECTION

Ownership vs. Subscription

Why "publisher, not seller" doesn't mean "I don't sell": a reflection on one-time purchases, subscriptions, and what's still yours after you buy an app.

TRANSMISSION 021 01 AUG 2026
ZONE 2 — MOBILE / ANDROID · GUIDE

How to verify an APK before installing it

SHA-256 hashes, VirusTotal reports and the signs to check before installing an APK from outside the Play Store — the procedure I use for every release.

TRANSMISSION 020 30 JUL 2026
ZONE 2 — MOBILE / ANDROID · BUILD LOG

HotSummer, from concept to code

The extreme-heat app concept (Transmission 017) became HotSummer, on sale for 7.99 €: risk index, Pip-Boy alert, zero backend.

TRANSMISSION 019 29 JUL 2026
ZONE 3 — CYBERPUNK / SURVIVAL · REFLECTION

War Zones — the world's conflicts, read by someone who builds

A reasoned map of today's conflicts, the weight of the USA, Russia and China, and why it makes more sense to build than to destroy.

TRANSMISSION 018 26 JUL 2026
ZONE 3 — CYBERPUNK / SURVIVAL · CONCEPT

Meshtastic: the network that doesn't need the internet to exist

What Meshtastic is, how a LoRa mesh network works with no towers or SIM cards, and three flagship hardware nodes for building your own off-grid comms network.

TRANSMISSION 017 21 JUL 2026
ZONE 2 — MOBILE / ANDROID · CONCEPT

An App to Survive Extreme Heat

An app idea for extreme heat waves: not yet another weather app, but a tool that turns the alert into concrete, personalized actions.

TRANSMISSION 016 20 JUL 2026
ZONE 3 — CYBERPUNK / SURVIVAL · REFLECTION

Waste and redundancy: what to throw out and what to keep in duplicate

In survival, redundancy is life; in computing it's often dead weight. Learn to tell the waste you should cut from the redundancy that saves your day.

TRANSMISSION 015 19 JUL 2026
ZONE 2 — MOBILE / ANDROID · CASE STUDY

BioRadar: a flora and fauna scanner built on the iNaturalist API (Expo + Capacitor)

How BioRadar is built: the Android app that turns the wildlife and plants around you into targets on a cyberpunk radar, with live data from iNaturalist.

TRANSMISSION 014 18 JUL 2026
ZONE 2 — MOBILE / ANDROID · CASE STUDY

€co-Survivor: Managing Your Finances Like a Survivor (React Native + Expo)

How €co-Survivor is built: an offline React Native + Expo budget app with a post-apocalyptic theme — reserves, rations, a survival index.

TRANSMISSION 013 16 JUL 2026
ZONE 1 — WEB APPS · CASE STUDY

TRAUTOK STATION: my personal dashboard running on Python stdlib and SQLite

How my "command deck" is built: one HTML file with inline CSS/JS and a stdlib Python server (http.server + SQLite), seven panels and a node map.

TRANSMISSION 012 15 JUL 2026
ZONE 3 — CYBERPUNK / SURVIVAL · CONCEPT

What Is Cyberpunk Aesthetics (and Why It's Not Just Neon and Rain)

What "cyberpunk" means and which elements make an image recognizable: high tech, low life, neon and urban decay. A plain-language guide.

TRANSMISSION 011 12 JUL 2026
ZONE 2 — MOBILE / ANDROID · REFLECTION

What the Digital Markets Act Means for Solo App Developers

The Digital Markets Act forced Apple and Google to allow alternative stores, sideloading and their own payments. What it means if you publish apps solo.

TRANSMISSION 010 07 JUL 2026
ZONE 3 — CYBERPUNK / SURVIVAL · ANALYSIS

Compulsive Scrolling: Inside the Infinite Feed

What compulsive scrolling (doomscrolling) is, why the infinite feed hooks us, and how to get out, seen from the side of the people who build the apps.

TRANSMISSION 009 05 JUL 2026
ZONE 3 — CYBERPUNK / SURVIVAL · CONCEPT

"Zoltar: Design and Schematics Before I Get My Hands Dirty"

Part two of Zoltar: from concept to block diagram. Why the brain moves from Arduino to Raspberry Pi, and the thermal printer that delivers the verdict.

TRANSMISSION 008 03 JUL 2026
ZONE 1 — WEB APPS · REFLECTION

Why I Started Using Claude Code (and What It Means for an Indie Dev)

An AI agent in an indie developer's terminal: what really changes, what doesn't, and how it fits a philosophy built on autonomy.

TRANSMISSION 007 03 JUL 2026
ZONE 2 — MOBILE / ANDROID · OVERVIEW

PWA, Capacitor or Native? A Concept Map Before You Choose (No Code)

Three ways to get an app onto a phone — PWA, Capacitor, native — a decision map of what each choice really costs you, without a single line of code.

TRANSMISSION 006 02 JUL 2026
ZONE 3 — CYBERPUNK / SURVIVAL · BUILD LOG (PART 1)

Field cyberdeck: concept and parts list for a grid-down scenario

Build log part one: what a cyberdeck is, the constraints of a world with no power grid or internet, and the parts I picked to build a field-ready one.

TRANSMISSION 005 30 JUN 2026
ZONE 1 — WEB APPS · OPINION

2026 and the Return to Self-Hosting: What It Means for a Solo Developer

Free tiers vanishing, prices multiplying tenfold, services shutting down: why more and more developers are going back to hosting their own apps.

TRANSMISSION 004 28 JUN 2026
ZONE 2 — MOBILE / ANDROID · OPINION

Why publishing on Google Play has become so complicated for solo developers

Mandatory testers, identity checks, API requirements that keep changing: what to expect today when publishing your first app on Google Play on your own.

TRANSMISSION 003 24 JUN 2026
ZONE 3 — CYBERPUNK / SURVIVAL · CONCEPT

Zoltar: the Idea of a Cyberpunk Oracle Born from a Recycled Aquarium

Zone 3's founding project: turning the remains of a decommissioned aquarium into a mechanical oracle inspired by carnival fortune-teller machines.

TRANSMISSION 002 21 JUN 2026
ZONE 1 — WEB APPS · MANIFESTO

Why I Build Independent Software: From the Commodore 64 to Today

The Survival Apps manifesto: forty years of self-taught code, a PhD in Pharmacognosy, and why "independent" is a precise technical choice.

TRANSMISSION 001 17 JUN 2026
ZONE 1 — WEB APPS · MANIFESTO

First Connection

The opening transmission of Survival Apps: why this blog exists, who writes it, and the first project in the works — a dashboard in a single HTML file.