Downloads of apps we shipped
Combined iOS + Android installs across our products.
§ 01 — Prosperity Software
AI & Digital
Product Agency
for SMBs
and Startups.
HUMAN-LED. AI-AMPLIFIED.
We design and build software products and AI systems — from early idea to live product. Fast, scalable, and built to last.
Product Development
Web · Mobile · UX
AI & Automation
LLM · RAG · Workflows
Staff Augmentation
Senior · On-demand
00
01
02
03
04
05
06
07
08
09
10
11
§ 02TRUSTED BY COMPANIES BUILDING THE FUTURE
§ 03MEASURED OUTCOMES
Results that
speak for themselves.
Seven years of shipping. Every number below comes from real products in-market — no vanity metrics.
Long-term or returning clients
Clients work with us 4+ years or come back for more.
Team with 5+ year tenure
A senior team built on retention, not churn.
In investment attracted
Capital raised by startups using products we built.
FIG. 03 — RESULTS SUMMARY, 2019–2026SOURCE: INTERNAL · AGGREGATED ACROSS 40+ ENGAGEMENTS
§ 03 — What We Do
Services That Drive Growth
01
Product Development
We design and build web and mobile products from the ground up — fast, scalable, and polished. From early wireframes to production-ready code.
WebMobileUI/UX
→02AI & Automation
We help SMBs and startups put AI to work — automating workflows, connecting internal tools, and turning manual processes into intelligent systems.
AutomationStrategyIntegration
→03Staff Augmentation
Need extra firepower? Embed vetted developers and teams directly into your workflow — flexible, senior talent that's ready to ship from day one.
DevelopersTeamsOn-demand
→§ 05SELECTED WORK
Selected
work.
Products and systems shipped across AI, healthcare, utilities, fintech, and commerce — a slice of the last three years.
CASE / 01Digital Health / Research · Mobile App Development
Medical Research App
A HIPAA-compliant chronic-pain research app for the University of Haifa — combining patient-reported data with automated Fitbit sync across iOS and Android, delivered in 6 months.
View case study→
CASE / 02Health & Fitness · Mobile App Development
Oxygen Advantage — Breathing Training App
A cross-platform iOS and Android breathing-training app with a personalisation algorithm and bespoke real-time breathing pacer — shipped in 8 months, 100k+ downloads, 4.9-star rating.
View case study→
CASE / 03Business Operations · SaaS Platform — Design & Build
Operations Management Platform
A bespoke internal operations platform for a security-consulting firm — client and project management, financials, real-time chat, and an AI assistant — designed and built in 7 months.
View case study→
CASE / 04Luxury Fashion · Marketplace & Mobile App
Live Auction Platform
A luxury fashion resale operator needed an end-to-end marketplace — where sellers run live video auctions and buyers bid in real time. We designed and built the entire platform from scratch: iOS and Android apps, live streaming infrastructure, and a scalable AWS backend.
View case study→
CASE / 05Ecommerce · iOS App & 3D Technology
E-commerce app with 3D face scan and virtual try on
Cubitts' philosophy is that glasses should fit perfectly. We built them a native iOS app that uses LiDAR to capture a precise 3D model of each customer's face — recommending the right frame size, enabling virtual try-on, and generating bespoke custom frames cut to exact measurements.
View case study→FIG. 05 — 5 OF 40+ ENGAGEMENTS
§ REVIEWSCLIENT FEEDBACK
What our Clients Say
Every review is real and verifiable — straight from Clutch, Upwork, and LinkedIn. Nothing cherry-picked.
★★★★★
The quality for price is really high.
Prosperity is always happy to share their knowledge.
★★★★★
It feels like they're part of the team, and they make good decisions without needing a lot of support.
I presented Illia with a problem, he helped me think through of a way to solve the problem and best of all: him and his team were able to actually implement it! He's got great entrepreneurial instincts.
★★★★★
I think what sets them apart is the range of skills they bring to a project, as well as their level of knowledge.
★★★★★
From start to finish, the entire experience was nothing short of exceptional.
The team at Prosperity was super fast to respond to all our queries and requests. Their commitment to quality was evident in their extensive testing, ensuring a smooth and seamless integration of SSO into our apps.
★★★★★
The project was an enjoyable and positive experience.
I like the personal touch they have. They offer good bang for the buck.
★★★★★
When I ask Prosperity to do something that doesn't make sense, they suggest alternatives that work better.
★★★★★
They were honest, direct easy to communicate, had great quality and excellent value.
The build quality was very good overall and bugs were fixed quickly.
★★★★★
I'm really happy I chose to work with Illia to develop a face measurement taking iOS application.
He has been very communicative, got the work done on time, delivered a quality application, and was able to solve some technical challenges related to determining landmark points on ARKit-derived 3D model.
FM
Verified Upwork Client
CLIENT · ARKIT FACIAL MEASUREMENT APP
★★★★★
It was such a pleasure to work with Illia for the development of our App.
He is super experienced and has excellent work ethics. Illia delivered our project on time and never missed any milestones along the way. He is our number 1 developer to go to for any technical knowhow.
CA
Verified Upwork Client
CLIENT · CAMERA APP
★★★★★
Prosperity is an amazing team and provide excellent work.
I am looking forward to working with them again in the future. Total class act and very professional, plus excellent code.
CP
Verified Upwork Client
FOUNDER · CRUISE PLATFORM
★★★★★
Illia was fantastic to work with.
Understood requirements well, worked with me to brainstorm ways to achieve the functionality needed, tested and debugged, and delivered a crash-proof, pixel-perfect iPad application.
iP
Verified Upwork Client
CLIENT · IPAD ART INSTALLATION
★★★★★
Illia has done a really great job.
He's a strong communicator through and delivers high quality work. I can highly recommend him for future work. I will be hiring him again in future!
NA
Verified Upwork Client
CLIENT · NATIVE IOS APP
★★★★★
The team was a great help to us in this project!
The delivery and the workflow were very professional. The team went beyond the scope, they took more responsibility and provided us with the required expertise, although the project was complicated. We are happy to recommend this team!
AR
Verified Upwork Client
CLIENT · NFT APP WITH AR
★★★★★
Fast delivery, high code quality, and ability to communicate with the rest of the team.
PB
Verified Upwork Client
CLIENT · PYTHON BACKEND & REACT NATIVE APP
★★★★★
Illia and his team, delivered and completed the project on time.
They are highly professional, excellent communication skills and the entire project was completed smoothly without any issue along the way. We highly recommend them to anyone and have continued working with them on our ongoing projects and future work.
RF
Verified Upwork Client
CLIENT · REACT FRONTEND
★★★★★
The developer communicated well and delivered high-quality code, we already rehired him again.
RN
Verified Upwork Client
CLIENT · REACT NATIVE APP
★★★★★
Working with Prosperity has been a pleasure.
They will do everything possible make your project perfect.
iA
Verified Upwork Client
CLIENT · IOS APP
★★★★★
Illia helped us with frontend development in Swift.
His excellent technical skills are paired with very good communication skills, made it very easy for us to onboard him onto a running project and complete the work as planned.
SM
Verified Upwork Client
CLIENT · SWIFT MOBILE APP
★★★★★
We're impressed with their transparency and ability to solve very challenging technical problems.
★★★★★
The quality for price is really high.
Prosperity is always happy to share their knowledge.
★★★★★
It feels like they're part of the team, and they make good decisions without needing a lot of support.
I presented Illia with a problem, he helped me think through of a way to solve the problem and best of all: him and his team were able to actually implement it! He's got great entrepreneurial instincts.
★★★★★
I think what sets them apart is the range of skills they bring to a project, as well as their level of knowledge.
★★★★★
From start to finish, the entire experience was nothing short of exceptional.
The team at Prosperity was super fast to respond to all our queries and requests. Their commitment to quality was evident in their extensive testing, ensuring a smooth and seamless integration of SSO into our apps.
★★★★★
The project was an enjoyable and positive experience.
I like the personal touch they have. They offer good bang for the buck.
★★★★★
When I ask Prosperity to do something that doesn't make sense, they suggest alternatives that work better.
★★★★★
They were honest, direct easy to communicate, had great quality and excellent value.
The build quality was very good overall and bugs were fixed quickly.
★★★★★
I'm really happy I chose to work with Illia to develop a face measurement taking iOS application.
He has been very communicative, got the work done on time, delivered a quality application, and was able to solve some technical challenges related to determining landmark points on ARKit-derived 3D model.
FM
Verified Upwork Client
CLIENT · ARKIT FACIAL MEASUREMENT APP
★★★★★
It was such a pleasure to work with Illia for the development of our App.
He is super experienced and has excellent work ethics. Illia delivered our project on time and never missed any milestones along the way. He is our number 1 developer to go to for any technical knowhow.
CA
Verified Upwork Client
CLIENT · CAMERA APP
★★★★★
Prosperity is an amazing team and provide excellent work.
I am looking forward to working with them again in the future. Total class act and very professional, plus excellent code.
CP
Verified Upwork Client
FOUNDER · CRUISE PLATFORM
★★★★★
Illia was fantastic to work with.
Understood requirements well, worked with me to brainstorm ways to achieve the functionality needed, tested and debugged, and delivered a crash-proof, pixel-perfect iPad application.
iP
Verified Upwork Client
CLIENT · IPAD ART INSTALLATION
★★★★★
Illia has done a really great job.
He's a strong communicator through and delivers high quality work. I can highly recommend him for future work. I will be hiring him again in future!
NA
Verified Upwork Client
CLIENT · NATIVE IOS APP
★★★★★
The team was a great help to us in this project!
The delivery and the workflow were very professional. The team went beyond the scope, they took more responsibility and provided us with the required expertise, although the project was complicated. We are happy to recommend this team!
AR
Verified Upwork Client
CLIENT · NFT APP WITH AR
★★★★★
Fast delivery, high code quality, and ability to communicate with the rest of the team.
PB
Verified Upwork Client
CLIENT · PYTHON BACKEND & REACT NATIVE APP
★★★★★
Illia and his team, delivered and completed the project on time.
They are highly professional, excellent communication skills and the entire project was completed smoothly without any issue along the way. We highly recommend them to anyone and have continued working with them on our ongoing projects and future work.
RF
Verified Upwork Client
CLIENT · REACT FRONTEND
★★★★★
The developer communicated well and delivered high-quality code, we already rehired him again.
RN
Verified Upwork Client
CLIENT · REACT NATIVE APP
★★★★★
Working with Prosperity has been a pleasure.
They will do everything possible make your project perfect.
iA
Verified Upwork Client
CLIENT · IOS APP
★★★★★
Illia helped us with frontend development in Swift.
His excellent technical skills are paired with very good communication skills, made it very easy for us to onboard him onto a running project and complete the work as planned.
SM
Verified Upwork Client
CLIENT · SWIFT MOBILE APP
★★★★★
We're impressed with their transparency and ability to solve very challenging technical problems.
● HOVER TO PAUSEREAD ALL REVIEWS ON CLUTCH →
§ 07SERVICES / DETAIL
Our services
in detail.
Thirty specialised sub-services across three pillars. Each links to a dedicated page with scope, process, and pricing.
01020304050607080910
Custom Mobile App Development →
Custom iOS and Android apps tailored to your business — not templates. Architecture to App Store.
MVP App Development →
Idea to functional MVP in weeks. Validate your concept with real users before scaling up.
UX Design for Startups →
Fast, focused design sprints that validate ideas and set the foundation for growth.
React Native App Development →
One codebase, native performance on iOS and Android. Faster delivery, lower cost.
iOS and Android App Development →
Native or cross-platform — platform-specific UX, optimized performance.
App Redesign Services →
Fix usability, modernize the interface, improve retention, conversion, NPS.
Product Design and Development →
UX design and engineering under one roof — no handoff gaps.
UI/UX Design and Development →
Research through visual design straight into development.
Mobile App Development for Business →
Customer-facing apps or internal tools that pay for themselves.
SaaS Product Development →
Early-stage prototypes to multi-tenant platforms handling real revenue.
§ 08 — Industries
Industries We Serve
Deep domain knowledge across four core verticals — so you get a team that understands your market, not just your code.
§ 09HOW WE WORK
A predictable
process.
Four steps from first call to live product. No surprises, no agency theatre.
STEP 01 · WEEK 0
Discovery
We understand your goals, users, timeline, and constraints. Honest readouts on what's feasible — and what isn't.
PROBLEM BRIEFSCOPE DRAFT
STEP 02 · WEEK 1
Proposal & Scoping
We define scope, tech stack, and delivery milestones. Written proposal with no hidden assumptions.
TECH PLANMILESTONES
STEP 03 · WEEKS 2–N
Build
Agile sprints with weekly updates and live demos. You always know the current state of the product.
WEEKLY DEMOSLACK CHANNEL
STEP 04 · POST-LAUNCH
Launch & Support
We ship, monitor, and stay available after go-live. Most clients keep us on for v2, v3, and beyond.
HANDOVERONGOING SUPPORT
§ 10 — Engagement
How You Can Work With Us
MODEL / A
Fixed Price
Defined scope, defined budget. You know exactly what you're getting and what it costs before work begins. Ideal for well-scoped projects and first engagements.
- Clear deliverables upfront
- No scope creep surprises
- Milestone-based payments
Best forMVPs & first engagements
MODEL / B
Time & Materials
Flexible scope with weekly billing. Best when requirements are likely to evolve as you learn from users and the market.
- Adapt scope as you learn
- Weekly billing transparency
- Scale team up or down
Best forEvolving products
MODEL / C
Dedicated Team
A full team embedded in your company on a monthly retainer. Best for startups and scaleups with continuous product development needs.
- Full cross-functional team
- Deep product ownership
- Long-term partnership
Best forOngoing development
§ 11 — Insights
Insights & Resources
AI
10 Mar 2025
Illia Lavoshnyk→
How to Build an AI-Powered Product in 2025: From Idea to Production
Most startups overengineer their first AI feature. Here's how we approach LLM integration, RAG pipelines, and AI UX — the practical way, without the hype.
Startup Strategy
22 Feb 2025Illia Lavoshnyk→
MVP vs. Full Product: When to Stop Building and Start Shipping
The trap most founders fall into is building too much before talking to users. Here's the framework we use with every startup client to scope an MVP that actually validates assumptions.
Mobile Development
15 Jan 2025Illia Lavoshnyk→
React Native in 2025: Is It Still the Right Choice for Cross-Platform Apps?
The cross-platform landscape has changed. Here's our honest take on when React Native still wins, where it struggles, and how we decide which stack to use for each client.
§ 12 — FAQ
Frequently Asked Questions
Yes. We build production AI systems across chatbots and conversational AI (GPT-4, Claude), RAG pipelines for document intelligence (Pinecone, pgvector), voice AI (Whisper, ElevenLabs), and video/image recognition. We handle everything from architecture to deployment.
Yes. We work on a Human-Led, AI-Amplified model — AI accelerates execution across coding, testing, and documentation, while humans drive strategy, architecture, and quality. Faster delivery, lower cost, human accountability.
We cover Western Europe (CET/CEST) and the US (EST/PST) with overlapping availability for standups and reviews.
AI: OpenAI, Claude, LangChain, LlamaIndex, Pinecone, Whisper. Backend: Python, Django, FastAPI. Frontend: Next.js, React, TypeScript. Mobile: React Native, Swift, Kotlin. Infrastructure: AWS, Google Cloud.
Fixed price, Time & Materials, and Dedicated Team. We'll recommend the right fit on a discovery call.
$10,000. For smaller needs like AI feasibility studies or architecture reviews, we offer focused consulting engagements.
Utilities, Healthcare, Ecommerce, and Social & Marketing. We're comfortable entering new verticals too — reach out and we'll tell you honestly if we're a good fit.
§ 13 — Contact
Book a call.
Leave with a plan.
A direct line to the engineers who'll actually do the work. We'll map your problem to a scope and timeline in one short conversation.
Trusted & verified
Clutch★★★★★5.0 · 12 reviews
AgencyReviewVerified · Software AgenciesOr emailinfo@theprosperity.team