
Digital loyalty card, ready-made loyalty system or your own loyalty app? Options and prices compared, and what actually works for a café, salon or local shop.

The story of Expiro, a service that tracks inspection deadlines for company cars: what we solved besides code, from data costs and a free plan to payments.

How to build an app with AI? What Lovable, Bolt, Replit and v0 really do, what they cost, and when you need a developer: payments, accounts, GDPR, app stores.

How to create an online course step by step: topic, outline, filming, pricing and selling. Udemy, Teachable, Kajabi and your own course platform compared.

How to create your own app, even without coding? Four routes from free and AI tools to a freelancer or an agency, with what each costs and where it stops.

Subscription pricing step by step: cost per customer, payment fees, VAT, the free plan, step costs and cash flow. With real numbers from the Expiro service.

Mobile field service reports instead of paper job sheets: photos, customer signatures, offline work and PDF reports. Ready-made app or custom one?

Your own app or a ready-made platform like Kajabi, Uscreen or Teachable? Fees at 100, 500 and 2,000 subscribers, exporting contacts, and when to switch.

Calendly, Acuity, Fresha or a custom booking system? Prices and free plans compared, and an honest look at when a ready-made tool is enough and when it is not.

Restaurant table reservations without the chaos: phone and book, a ready-made system, or your own? Fee models compared and how to cut no-shows at your tables.

Subscriptions in your own app explained: in-app vs. web payments, free trials, Apple and Google fees as of September 2026, and what you keep from €15.

Your clients want your workouts at home too? Three ways to sell workout videos online — social media, a ready-made platform and your own app. With fees and a calculation of what you actually keep.

Progressive web app, native development or Flutter? A comparison of features, price, time and maintenance — and when each path is the right one.

When companies say development is expensive, they often cannot see what the price includes or where they can save without sacrificing quality.

An unfinished project is not the end. Completing it can save time and money and help you reach the market sooner.

Development mistakes cost time and money. Learn to spot the warning signs and avoid the problems that hold an app back.

Maintenance is the quiet engine behind every successful app, keeping it stable, secure and effective over the long term.

The future of apps is already taking shape. AI, personalization and user trust increasingly determine market success.

Analytics is at the heart of a successful mobile app. Without it you guess; with it you can make informed decisions.