How to read the case studies.

Every card shows these five things:

  • the client or project
  • the starting point
  • the product delivered
  • AP4's role
  • one verified outcome

When the outcome or client name is not public, we state this clearly.

What does an outcome mean?

Client-verified
the client confirmed the value in writing
Measured through analytics
data extracted from the system, with a stated measurement period
Estimated
a labelled estimate, with the formula and its limitations

The detailed page gives the measurement period, baseline, result, method and limitation.

We do not publish percentage or absolute performance claims without a source.

AI-native delivery impact: evidence required

We report AI-native delivery impact only when the baseline, measurement period, method and limitation are documented. Without them, we make no project- or portfolio-level claims about speed, capacity or quality.

Featured projects

Detailed claims always appear on the client-approved case page.

References · since 2013 · 100+ projects

Software products built for real operation.

BKK, Corvinus, Swiss Clinic, TMRW Hotels, Black Cell - more than 100 digital projects across different industries. The case studies below show what product, system and result was born from what business situation.

100+delivered projects
13+industries
12 yrssenior delivery
100%under NDA if needed
Let's talk about your projectBrowse the case studies

Not presentations: live business systems.

Featured case studies

Every case study states the starting situation, the solution delivered, the type of result and - where publishable - how it was measured. If a result is not public, we say so.

Filter by industry + technology.

Case studies · 30 projects

30 projects match the selected filters.

Industry
Technology
Tourism · Mobile app2025

TMRW Hotels mobile app

A complete smart-hotel system: reception, room key and concierge in a single mobile app, from booking to check-out.

Case study
Education · Web development2025

Black Cell

Gamified e-learning platform for mandatory cybersecurity training: points, badges and leaderboards keep employees motivated.

Case study
Logistics · ERP2024

MÉH-SYS ERP

Waste management ERP: inter-site material flow, weighbridge integration and invoicing in a single system.

Case study
Transport · Municipal2024

BKK Integrated Taxi Registry

Budapest’s taxi licensing system: application, inspection, issuance and revision on a single authority interface.

Case study
UNIX Auto webshop
Automotive · E-commerce2024

UNIX Auto webshop

A complex parts catalogue with precise vehicle-type identification, B2B and B2C pricing logic and integrated logistics.

Case study
Transport · Mobile + Web2024

BKK Telebusz

Demand-responsive bus booking platform: passenger mobile app, driver interface and dispatcher console with real-time route optimisation.

Case study
Szakmavilag.hu
Education · Web portal2023

Szakmavilag.hu

Career orientation portal for young people: interactive career map, profession profiles, training opportunities and an institution finder.

Case study
Lina by VitaNet
Healthcare · E-commerce2023

Lina by VitaNet

Health webshop built for the US market with multi-currency payments and US-compliant shipping and privacy logic.

Case study
battanet.hu
Municipal · Web development2023

battanet.hu

The official municipal portal of the city of Százhalombatta: accessible and structured, with a tourism module.

Case study
Párom.hu mobile app
Mobile app · Dating2023

Párom.hu mobile app

The mobile app of Hungary’s leading dating service: chat, real-time notifications, profile matching and push-based activity logic.

Case study
Alcoa Wheels Europe
Automotive · B2B Mobile2023

Alcoa Wheels Europe

B2B wheel configurator on mobile: compatibility checking and order history for distributors and resellers.

Case study
Fashion Street mobile app
Tourism · Retail2022

Fashion Street mobile app

A downtown experience guide: shops, events, coupons, dining offers and map-based navigation on Budapest’s Fashion Street.

Case study
Corvinus TPM
Education · University system2022

Corvinus TPM

The system managing course programmes and model curricula at Corvinus University, with structured, searchable presentation.

Case study
Szakmasztar.hu
Education · Web portal2022

Szakmasztar.hu

Vocational education information portal: institution finder, training pathways, event calendar and customisable content modules.

Case study
SIMPLE.HU
Finance · Web development2022

SIMPLE.HU

A complete redesign of the SIMPLE payment platform’s marketing and product pages: focused on performance, brand and conversion.

Case study
Healthcare · E-commerce + Booking2022

Swiss Clinic

An integrated system for a dermatology clinic: webshop, therapy packages, online appointment booking and a physician scheduling module.

Case study
Printapic
Home design · Mobile2021

Printapic

Custom printed products on mobile: live preview, designer, payment and shipment tracking in a single app.

Case study
SBC, Small Business Cloud
Commerce · Mobile2021

SBC, Small Business Cloud

Cloud platform for micro-businesses: invoicing, customer management, inventory and financial overview on a mobile-first interface.

Case study
Imperatore B2B portal
Tourism · B2B2021

Imperatore B2B portal

A travel agency’s partner portal: accommodation catalogue, booking flow, commission settlement and real-time availability.

Case study
Web-based sports field designer
Construction · Configurator2021

Web-based sports field designer

A parametric online designer for sports fields: surfacing, sizing, cost estimation and exportable documentation.

Case study
AlterGo board game
Mobile game2021

AlterGo board game

A digital version of a classic board game: multiplayer, online matchmaking, leaderboards and customisable rule sets.

Case study
WIP2023: Veszprém Castle app
Tourism · Mobile2020

WIP2023: Veszprém Castle app

The interactive visitor app of Veszprém Castle: historical routes, audio guide, AR points and real-time events.

Case study
ScanME QR menu
Hospitality · Web2020

ScanME QR menu

A digital menu platform for restaurants: QR-code access, multilingual, with allergen filtering and real-time menu updates.

Case study
Hospitality · Mobile2020

Bart, the mobile waiter

Ordering from the table, payment, tipping and feedback in one place: a guest app for restaurants.

Case study
Anet360
Education · Multi-platform2019

Anet360

Educational content presented in 360°: interactive lessons, web and mobile interfaces, with learner progress tracking.

Case study
Diavitas Pro
Healthcare · Mobile2019

Diavitas Pro

A diabetes care mobile app: blood glucose logging, medication reminders and data sharing with physicians.

Case study
Europ Assistance
Automotive · Mobile2019

Europ Assistance

Roadside assistance on mobile: incident reporting with location sharing, document upload and real-time ETA.

Case study
Ferrosped logistics app
Logistics · Mobile2019

Ferrosped logistics app

A mobile app built for drivers: delivery notes, photo evidence, GPS accuracy and back-office synchronisation.

Case study
MODULO furniture designer
Home design · Configurator2018

MODULO furniture designer

Online custom furniture configurator: parametric sizing, material selection, live price calculation and PDF export.

Case study
Swiss eKarton 3
Healthcare · EHR2018

Swiss eKarton 3

Third-generation clinical electronic health record system: complex permission management, audit logging and clinical workflows.

Case study

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