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Company Information

Apptension sp. z o.o.
23 Lutego 26
61-743 Poznań, Polska
VAT-ID: PL7831720203
REGON: 360404804
KRS: 0000534235

Follow Us

© 2026 Apptension. All rights reserved.

Privacy PolicyTech Radar
Services
About
Portfolio
Careers
Blog
Get in touch
>Services
>About
>>Portfolio
>Careers
>Blog

>> Browse services

>_ProductScope StudioFrom an idea to a shareable PRD_> Open_> Open
>>>Build new0 to 1: MVPs, SaaS, AI features
>>View Build path>Generative AI Solutions>SaaS Development
>>>Modernize and scale1 to 100: prototype-to-prod, backlog, hybrid
>>View Modernize path>End-to-end Software Development>Prototype to Production>Hybrid Teams
>>>Cross-cuttingStrategy and investor support
>For Investors>Product Consulting
All services hub
Get in touch

Contact

contact@apptension.com+48 533 352 052sales@apptension.com

Company Information

Apptension sp. z o.o.
23 Lutego 26
61-743 Poznań, Polska
VAT-ID: PL7831720203
REGON: 360404804
KRS: 0000534235

Follow Us

Case studies

Case studies from production.

48 write-ups from the 360+ projects we have delivered since 2012, from an 11-day PWA to a virtual Expo watched by 2 million people. Each one shows what was broken, what we built and what changed.

2M+

Users reached

Expo Dubai

3 wks

Microsite shipped

Riyadh Air

#1

App Store category

LESS_

Explore

__> Teams we have built for

In short

These are 48 write-ups from the 360+ projects we have delivered since 2012. They cover new builds, takeovers of existing code and senior engineers joining in-house teams, for clients in health, retail, transport, finance and entertainment. Each one says what was broken or missing, what we built, how long it took and what changed after launch.

Selected work

Four projects, four ways of working

A product built from scratch with AI coding agents, a legacy platform modernized without a feature freeze, an app re-scoped into a #1 hit, and a launch watched by 2 million people.

01New product, AI-assisted

nini.bot: 11 days from intent to installable PWA

A shared baby-care app for two caregivers, live as an installable PWA after 11 active days and 159 merged PRs through the harness we install for clients.

Intent to installable PWA
11 days
Intent to installable PWA
Merged pull requests
159
Merged pull requests
Issues closed
649
Issues closed
Read the case studyBuild a new product→

02Legacy modernization

Teamdeck: AI SDLC for eight years of infrastructure debt

Teamdeck stage moved to Temporal, Pulumi and ECS in about nine weeks: 60 pull requests through written plans and CI gates, no feature freeze. Prod is next.

Audit to new staging
~9 wks
Audit to new staging
Pull requests, no feature freeze
60
Pull requests, no feature freeze
Median PR open to merge
1.2h
Median PR open to merge
Read the case studyModernize an existing product→

03Re-scope and relaunch

LESS_: second-hand fashion app that hit #1 in Poland

We re-scoped and built the LESS_ second-hand fashion app in 3 months. Three days after launch it was the #1 shopping app on Poland’s App Store.

New scope to launch
3 months
New scope to launch
Shopping app in Poland
#1
Shopping app in Poland
Users after release
700k+
Users after release
Read the case studyProduct consulting→

04Launch at global scale

Expo Dubai 2020: virtual event platform

With Dogstudio we built a 3D virtual version of Expo Dubai 2020 in 9 months. 2 million people watched the opening, most of them in the mobile app.

Watched the opening
2M
Watched the opening
Build with Dogstudio
9 months
Build with Dogstudio
Fully localized
EN + AR
Fully localized
Read the case studyEnd-to-end development→

All work

Every case study, newest first

  • All work48
  • Data Management13
  • Entertainment12
  • Retail7
  • Health6
  • Manufacturing2
  • Transportation2
  • Finance1
  • Open source1
  • Pet Care1
  • SaaS1
  • Sports1
  • All expertise
  • Web Development33
  • Product Design26
  • Product Discovery21
  • Mobile Development14
  • AI Development8
  • Backend Development4
  • Quality Assurance2
  • Cloud Infrastructure1
  • DevOps1
  • E-commerce1
  • Frontend Development1

48 case studies

Open source/2026

Walkthrough Studio: live app to a 1920×1080 master

Describe the video and Studio records the real product, drafts the script, narrates it in 84 languages and exports a 1920×1080 master. Open source, MIT.

SaaS/~9 weeks

Teamdeck: AI SDLC for eight years of infrastructure debt

Teamdeck stage moved to Temporal, Pulumi and ECS in about nine weeks: 60 pull requests through written plans and CI gates, no feature freeze. Prod is next.

Sports/5 weeks

The Grassroots Coach: mobile coaching app in 5 weeks

A React Native app that gives volunteer football coaches age-specific sessions for U6 to U18, with offline video and a Firebase CMS. Built in 5 weeks.

Health/11 days

nini.bot: 11 days from intent to installable PWA

A shared baby-care app for two caregivers, live as an installable PWA after 11 active days and 159 merged PRs through the harness we install for clients.

Retail/4 weeks

Miraflora Wagyu: luxury Shopify store in 4 weeks

We designed and launched a custom Shopify store with subscriptions and reviews for luxury Wagyu brand Miraflora in 4 weeks, working from Hawaii to Germany.

Pet Care/6 months

PetProov: identity verification for pet transactions

PetProov verifies breeders, buyers and adopters with Onfido and shows a risk score for each party. We built the Expo app and Firebase backend in 6 months.

Data Management/10 weeks

LEDA: LLM-driven exploratory data analysis for retail

LEDA lets retail analysts run exploratory data analysis by asking questions in plain English. We built the multi-agent LLM proof of concept in 10 weeks.

Data Management/12 weeks

Mobegí: internal knowledge assistant on Slack

Mobegí answers employee questions from company documentation inside Slack, with multi-pass anonymization for sensitive data. Prototype built in 12 weeks.

2 months

Wireless content sharing: rebuilding a screen-sharing app

We rebuilt a screen-sharing app for business and education on iOS and Android in 2 months. It reached #7 in Google Play’s business bestsellers.

Entertainment/8 months

Technology theme park: park management system

A visitor app, park control system and Windows sync client for a technology theme park, plus a ticketing system for a second park. Built over 8 months.

Entertainment/1 month

Feelit: app concept for music event audiences

Feelit is our in-house app concept for music events. Our Innovation Lab took it from discovery to a branded design in Figma, planned on our SaaS Boilerplate.

Entertainment

VIU: video streaming frontend for 14 countries

VIU reached millions of subscribers across 14 countries. We built its AngularJS frontend, SEO, and the player, payment and operator integrations behind it.

Entertainment

Wasteworld: AR recycling game for kids built in 6 weeks

Wasteworld is our free AR game that teaches children aged 7+ to sort waste. Our R&D team built it in 6 weeks with Unity, AR Foundation and App Scaffold.

Data Management

Tessellate: anonymized hiring platform for designers

We built Tessellate's matching engine, which pairs architects and designers with clients and hides gender and appearance in early hiring stages.

Data Management

Teamdeck: resource planning software for agencies

Teamdeck is our own resource planning SaaS: scheduling, timesheets and leave in one tool, built with AngularJS, D3 and Electron, run on AWS and Docker.

Transportation/2 weeks

Spedibot: AI freight forwarding platform concept

A 2-week Product Challenge concept: an AI forwarding assistant that finds loads near a truck and cuts empty kilometres for small and mid-sized carriers.

Health

Tresilio: mental health monitoring app for Psyomics

We designed and built Tresilio for Psyomics: a mobile web app with 1000+ adaptive questions, Fitbit sleep data and weekly mental health reports.

Retail/MVP release in 4 months

PLATFORM: online fine art store MVP in 4 months

We built PLATFORM's BigCommerce art store MVP in 4 months against a 6-month plan, with high-resolution images, fast pages and a preview-in-your-space tool.

Health/1 week

Smart SaaS: AI customer feedback platform concept

An innovation lab concept: one AI dashboard that sorts customer feedback from every channel. Designed in Miro, with the ChatGPT API in scope.

Data Management/6 weeks

SmartProjects: AI project estimation tool

In a 6-week product discovery we designed SmartProjects, an AI tool that estimates enterprise project cost, time and staffing, with a clickable prototype.

Data Management

Bloomberg New Economy Forum: data installation software

For Schema we built the software behind seven video pillars and touch-screen maps at Bloomberg's first New Economy Forum in Singapore, November 6-7, 2018.

Retail

SHOPTHAT: conversational commerce prototype and MVP

SHOPTHAT lets beauty influencers tag retailer products in posts while a Messenger bot handles the sale. We built the prototype, then the MVP.

Data Management

PepTalk: booking and live video platform for 400+ experts

We built PepTalk's expert catalogue and live call app: 400+ experts on 40+ topics, with scheduling across time zones, Twilio video and Stripe payouts.

Transportation/3 weeks

Riyadh Air: interactive 3D livery microsite

For the Paris Air Show we built a Three.js microsite in 3 weeks. Visitors scanned a QR code and explored Riyadh Air's new livery in English and Arabic.

Data Management

PEFA: interactive public finance report with 200+ charts

We turned PEFA's public finance report from a dense PDF into an interactive website with 200+ custom charts, as technical partner to Schema Design.

Data Management/Ongoing since 2020

mTab Marketplace: data marketplace for market research

Since 2020 we've built mTab Marketplace on Django, React and AWS, so clients buy market research studies without mTab installing each one by hand.

Health/5 months

Mojo: fertility testing e-commerce store for UK and Sweden

We built Mojo's online store for at-home semen testing in 5 months: kit sales, courier logistics in two countries and lab results in one website.

Entertainment

MyRoma: community microsite for Netflix's Roma launch

For The Mill we built the #MyROMA microsite, where viewers shared the memories that shaped them for the global Netflix launch of Alfonso Cuarón's Roma.

Retail/3 months

LESS_: second-hand fashion app that hit #1 in Poland

We re-scoped and built the LESS_ second-hand fashion app in 3 months. Three days after launch it was the #1 shopping app on Poland’s App Store.

Entertainment

Hyper: mixed reality design platform with VR and tracking

With Unit9 we built Hyper, a Unity VR platform that pairs headsets with motion-tracked physical models so designers preview spaces without new prototypes.

Retail

Magic Dusk: commerce platform for influencer beauty brands

We built Magic Dusk's platform, admin panel and CMS, where influencers launch their own beauty brands with expert help, social integration and a store.

Entertainment

Welcome to Marwen: AR movie app for Universal Pictures

With The Mill we built an AR app for Robert Zemeckis' Welcome to Marwen. Users step into a film scene, meet the characters and share photo postcards.

Data Management/4 weeks

Conversational AI avatar: real-time voice proof of concept

For a brand experience agency we built a voice AI avatar in three weeks: about 1s speech-to-text, 0.5s text-to-speech, ~1.5s perceived reply.

Health/1 week

HealthHub: AI support tool concept for healthcare

HealthHub is a 1-week Innovation Lab concept: an AI SaaS with modules for support reps, managers and patients, designed to cut unresolved patient requests.

Data Management

Home+ App: home services marketplace for South Africa

A React Native marketplace for home services, prepaid electricity and home security in South Africa. 15k downloads in its first month on Google Play.

Data Management/6 weeks

Generative AI meeting insights app built in 6 weeks

In 6 weeks we built a generative AI prototype that turns meeting transcripts into summaries, action items and sentiment, with a chatbot for questions.

Entertainment/9 months

Expo Dubai 2020: virtual event platform

With Dogstudio we built a 3D virtual version of Expo Dubai 2020 in 9 months. 2 million people watched the opening, most of them in the mobile app.

Data Management

Flairs: AI knowledge hub that maps a tech team's skills

Flairs reads code in GitHub, Bitbucket and Slack and recognises 65k technologies, so tech leads can see team skills. We took it from idea to MVP.

Retail/2 years

Luxury beauty eCommerce: frontend team extension

We joined a 100-person creative agency as frontend and product management support on a luxury beauty brand's store. Over 2 years, traffic grew 10x.

Manufacturing/2 weeks

Furniture-hacking app: DIY interior design community concept

A Product Challenge concept, not a shipped product: a web app where people share furniture hacks and order the parts, with a proposed 2-week discovery.

Entertainment

Don't Drive High: interactive campaign site in 1.5 months

For Cossette we built the Don't Drive High campaign site in 1.5 months: 101 ideas, a microphone-driven bubble game and Uber promo codes, on React and AWS.

Health

Cannabis production tracking app: Vue.js frontend and UI

We designed and built the Vue.js 2 frontend of an internal tool that tracks cannabis from growth to cropping and storage, on the client's own backend.

Manufacturing/2 months

Chart builder for a global petrochemical company

Built with Schema in 2 months: a Vue and D3 chart builder that plugs into SchemaCMS, saves each chart in a shareable URL and embeds on any web page.

Finance

blkbx: one-click checkout app built on SaaS Boilerplate

blkbx lets sellers take payment from a link or QR code in one click with Apple Pay, Google Pay or card. We built it on our SaaS Boilerplate and Stripe.

Retail/4 days

BeeLinked: concept app for beekeepers and honey buyers

BeeLinked is a design concept, not a shipped product. In 4 days our team researched and prototyped an app for beekeepers and people who buy their honey.

Entertainment

Bespoke Care: emotion recognition booth for IFA 2018

For Bonsaininja and Candy Group we built facial and emotion recognition software for an IFA Berlin 2018 booth in 6 weeks, from selfie to printed postcard.

Entertainment

86½ years: interactive storytelling site for a book

For Clubhouse Studio and publisher Hoxton Mini Press, we built a story site with camera-based eye tracking to promote a book about East London.

Entertainment

Adquesto: an ad-based paywall built over 34 sprints

Readers open an article by answering one question about an ad. We built Adquesto's paywall, ad pricing and publisher tools over 34 two-week sprints.

Most of our 360+ projects are not written up here. If you want to see work in a specific industry or stack, ask us and we will tell you what we can share.

Have a project like one of these?

Tell us what you are building or where it is stuck. A person from our team replies within one business day.

contact@apptension.com+48 533 352 052

Services

  • Agentic MVP
  • Agentic SDLC
  • Build new products
  • Modernize and scale
  • Generative AI Solutions
  • End-to-end Software Development
  • Prototype to Production
  • SaaS Development
  • Hybrid Teams
  • For Investors
  • Product Consulting

Builder's Toolkit

  • Builder's Toolkit
  • SaaS Boilerplate
  • SaaS P&L Model
  • Walkthrough Studio
  • Agentic SDLC hub
  • Resources
  • Guides
  • Events
  • Open Source
  • Discord Community

Company

  • About Us
  • Portfolio
  • Expertise
  • Careers
  • Blog
  • Get in touch

Company Information

Apptension sp. z o.o.
23 Lutego 26
61-743 Poznań, Polska
VAT-ID: PL7831720203
REGON: 360404804
KRS: 0000534235

Follow Us

© 2026 Apptension. All rights reserved.

Privacy PolicyTech Radar