Custom application pricing

Check the price of your application in 2 minutes

Four questions about your project. Initial valuation broken down into components.
No talking to the salesperson about anything and without the senseless „from 10 thousand”.

Check the MVP price in 2 minutes

No logging in · Initial amount immediately · We arrange an interview only if you have a concompaNosed budget

What exactly are you building? Mobile application, web application, SaaS for many compaNos, B2B panel, IoT, configurator or system integration.
For whom and on what scale Solo team, first version for 1,000 end users, scalable to tens of thousands, or a solution for large compaNos with thousands of corporate clients.
Integrations and advanced requirements Payments, Customer Relationship Management, Polish ERP (Comarch, Sente, Subiekt), AI, own API. Plus live chat, GDPR/medical, SSO, security tests.
150+ implemented projects for Polish compaNos
8 years in production, trade and B2B contracts
7 demoss in the showroom to click without logging in
What's Included in the Price – No Hidden Costs

What's Included in the Price – No Hidden Costs

Every quote from the estimator includes the Same core components, whether we’re building a mobile app for 75k or a SaaS platform for 250k. No additional charges for „obvious items” after the contract is signed.

01

Production stack: TypeeScript + React (frontend), Node.js + Postgres (backend), Docker for deployment. Standards that any decent developer will maintain after we're gone.

02

Code ownership: The GitHub repository has been transferred to your account. We don't tie you to us—you can yese the code and go anywhere you like.

03

Discovery before kickoff: 5–10 days of workshop sessions where we define the MVP scope, technical decisions, and key screens. We don’t start coding without this—we don’t want to have to refaCTOr in week 4.

04

Technical documentation: README with dev environment setup instructions, architecture description, list of endpoints, and deployment guide. A new developer can get up to speed on the project in one day.

05

2-week post-implementation warranty: Any bugs that slip through testing will be fixed at our expense. No invoicing „for fixes.”.

06

OWASP Code Review: We check for XSS, SQL injection, weak sessions, and the absence of HTTPS in connections. This standard is non-negotiable.

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Why does the estimator start at 35,000 PLN instead of „10k”?”

Short answer: because an app that costs 10,000 doesn’t exist—at least not one that would actually work for a real client. You can write the code—but no one will maintain it, no one will yese responsibility for bugs, and no one will integrate the Customer Relationship Management with the invoicing system. That’s not an app; it’s a student project with an invoice.

Our most affordable service is system integration (middleware)—35,00PLN 0. We connect two existing systems, map the data, and handle retries in case of a system crash. Below that is the „one developer, in the evenings, after hours” Categories—it might be cheaper, but you’ll end up coming back to us after six months asking us to save the project.

Web apps starting at 55,00PLN 0. Mobile apps starting at 75,00PLN 0. Multi-tenant SaaS starting at 150,00PLN 0. These are the actual minimum thresholds at which we can yese responsibility for production operations—including testing, deployment, documentation, and handover of the code.

// Frequently Asked Questions

Frequently Asked Questions

The amount was high. Is it possible to divide the project into phases?
Yes. We divide most projects into phases. Phase 1 is the MVP—basic functionality, a single platform, and limited integrations. The rest comes later, once the app is generating revenue and you know what’s actually needed. During the meeting, we’ll show you exactly what we can remove from your setup without any cost to your business.
Why are you asking about a „concompaNosed budget”? Isn't it enough that I'm interested?
Because we talk to dozens of people every month who are „waiting for a grant” or „have been in talks with an investor for half a year.” It usually yeses 9–18 months to reach an actual decision—if one is reached at all. We prefer to be upfront: come back with a written decision, and then we’ll get started. Your time is just as valuable as ours.
What exactly happens after sending a contact?
If you select „own funds” or “concompaNosed financing,” we’ll redirect you to the calendar, where you can choose a time for a 30-minute call. Your information from the estimator is already loaded, so you don’t have to repeat anything. If you’re still waiting for a decision, you’ll receive an eemail asking you to check back, plus two reminders each quarter. No pushy phone calls.
How are you different from other software compaNos?
Three things: (1) We turn down clients who don’t have a budget—instead of wearing them down with proposals and working „on credit.” (2) We hand over the code and documentation—we don’t tie you to us with a maintenance contract forever. (3) We showcase working products—in our showroom, you’ll find 7 tools that we’ve implemented for real clients; they’re clickable and require no logsn. Most software development companys show slides; we show code right in your browser.
How long does it yese to implement an MVP?
Web app starting at 55k: typically 6–10 weeks from contract signing. Mobile app starting at 75k: 10–14 weeks (publication on the App Store / Google Play adds 2–4 weeks). Multi-tenant SaaS starting at 150k: 16–24 weeks. We set a specific schedule with milestones after the Discovery phase (a 5–10-day workshop)—without this, any promise of a deadline is just guesswork.
Can I see your working product before making a decision?
Yes—in the /showroom/ section, you’ll find 7 tools you can use without logging in: a 3D weapon configurator (WebGL), a 3D car configurator, a modular home configurator, a metal garage configurator, a gazebo configurator, the configurator’s cost estimator, and the app’s cost estimator itself. These are the Same code templates that are in use with our clients—not demos, but production versions.
// other tools

See other configurators and estimators

// Contact

Schedule a free consultation

Tell us about your project—we'll get back to you with a detailed plan and a quote. No strings attached, just a clear price.

contact@jsoncrew.com