Journal

Notes
from the threshold.

What we learn at the border between idea and product: engineering, method, field decisions. Without needless jargon.

Featured·Product·9 min

Mobile app price: what really moves the bill

What really drives the price of a mobile app, with realistic ranges and the factors that matter.

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How to choose your software development studio

A decision guide for choosing a development studio on concrete criteria, without jargon.9 min Design

Design system: why and when to build one

Not a palette, not designer whim: why a design system matters, when to build one, and what it saves.7 min Product

Building an MVP: framing the right scope

The real risk with an MVP is not doing too little, but doing too much. How to frame the right scope.7 min Engineering

React Native development: which projects in 2026?

One base for iOS and Android: when React Native is the right call, and when native wins.8 min Infrastructure

Self-hosting or cloud, how to choose

Self-hosting or managed cloud: real costs, data, complexity. How to choose without dogma.7 min AI

AI in service of the product, not the reverse

How to tell AI that changes a product from gadget AI: rules or model, data, transparency and cost.8 min Product

Leaving Excel without breaking everything

Your spreadsheet is hitting its limits? Here is how to migrate smoothly without losing your data.7 min Engineering

Real time, what it really costs

Latency, queues, scaling: the real price of a real-time app, and when a refresh is enough.6 min Method

A product, never a demo

What separates a slick demo from a product that holds in production: reliability, tests, deployment, handover.8 min