concept.zone

Notes on building and running products.

What software costs to build and to keep alive, who looks after it after launch, and how to take back a product someone else built.

1 October 2026

How Much Does App Maintenance Cost per Month in 2026?

App maintenance typically costs €300–€2,500 a month in 2026 for a small live product, or 15–25% of the build cost per year. What it covers, what drives it and how to compare options.

1 October 2026

Development Team Subscription vs Hiring a Developer

A senior developer in Western Europe typically costs €7,000–€11,000 a month fully loaded; a development subscription typically costs €2,000–€8,000 and can start within days. When each one makes sense in 2026.

1 October 2026

My Developer Left. How Do I Take Over My App?

Your developer left? Secure every account first, get a full copy of the code and data, confirm the app still deploys, then have the codebase audited before changing anything. A step-by-step takeover guide.

1 October 2026

When to Move From No-Code to Custom Code

Move from Bubble, Webflow, Softr or Glide to custom code when the platform limits the business: performance, fees, logic, integrations or data ownership. Signs, costs and a step-by-step migration plan for 2026.

1 October 2026

Who Maintains My App After Launch?

After launch, someone must monitor, patch, fix and improve your app. Your options in 2026 — the original builder, a freelancer, an in-house hire or a flat monthly plan — compared on cost, cover and risk.

13 September 2026

Do You Need an NDA Before Sharing Your App Idea With a Developer?

Most developers won't sign an NDA before a first call, and that isn't a red flag. What actually protects an app idea, and the one document that matters more than an NDA ever will.

1 September 2026

Questions to Ask Before You Pay Any MVP Developer a Deposit

Nine questions to ask before you wire a deposit to an MVP developer or agency: who owns the code, what the contract calls 'done', fair milestone payment splits, and the red flags worth walking away from.

10 August 2026

How Long Does It Take to Build an MVP?

Realistic MVP timelines for 2026: what a 2-4 week build actually contains, why agency projects take 4-6 months, and the five things that quietly add weeks to yours.

13 July 2026

Agency, Freelancer, or No-Code? The Honest Comparison for Non-Technical Founders

Freelancer vs agency vs no-code vs an AI-accelerated MVP studio: an honest 2026 comparison for non-technical founders deciding how to build their app idea.

13 May 2026

I Have an App Idea but No Technical Skills — Here's What to Do

A practical step-by-step guide for non-technical founders who want to turn their app idea into a real product. Validation, building options, hiring, and common mistakes.

13 May 2026

How Much Does It Cost to Build an MVP in 2026?

MVP development costs in 2026 range from €1,000 to €150,000+. This guide breaks down real pricing by approach: DIY, no-code, AI-assisted studios, freelancers, and agencies.

Tell us what should exist.

Thirty minutes. You leave with a fixed price and a start date. Build €6,900 once, then Run from €1,900 a month — or a straight answer that we're not the right fit.