Mobile Development
Native iOS applications with polished UX, offline resilience, and App Store-ready monetization — built for real users, not demos.
22 iOS apps · 12 web platforms
From idea to App Store mobile & web products
Tallinn-based studio shipping iOS apps and web platforms for global markets — from prototype to App Store.
App Store
Estonia
Privacy by Design
Estonia · Est. Software Studio
Focused software for real workflows
We turn complex jobs into clear products — contract tools, hiring apps, games, and calm daily routines — with privacy, multilingual UX, and production standards from day one.
What we deliver
Design, native iOS, web apps, AI, cloud, and launch — one studio, end to end.
Web Applications
Responsive web apps, admin dashboards, and SaaS platforms — React, Vue, PHP, and Node.js stacks built for production.
AI Integration
Purpose-built AI features using OpenAI and modern APIs. Focused tools that solve one problem exceptionally well.
Cloud Architecture
Scalable backends, secure data handling, and production monitoring designed for global deployment from day one.
Product Partnerships
We collaborate with founders and companies worldwide to launch, iterate, and maintain digital products across platforms.
From concept to production in four phases
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1
Discovery & scope
We define the job-to-be-done, target users, and success metrics before writing code.
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2
Design & prototype
Interactive prototypes and polished UI systems — validated before full build.
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3
Build & integrate
Native iOS development, AI APIs, backend services, and App Store compliance.
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4
Launch & iterate
Store release, analytics, monetization tuning, and continuous product improvement.
Mobile apps we ship
Native iOS products for business, productivity, health, and lifestyle — published on the App Store and maintained in production.
Featured on the App Store
Business
ContractLens
Reading a contract doesn't always mean understanding it.
Business
Vantio
Vantio is an AI-powered reply optimization tool designed for modern outreach.
Business
HireCraft
HireCraft helps you create an ATS-friendly CV fast \u2014 then tailor it to any job post with clear match scoring.
Productivity
Replyra
Writing replies shouldn't feel hard \u2014 but it often does.
Lifestyle
Unghost
Unghost helps you understand what really happened when communication stops.
All iOS apps
Business
ContractLens
Reading a contract doesn't always mean understanding it.
View on App Store →
Business
HireCraft
HireCraft helps you create an ATS-friendly CV fast \u2014 then tailor it to any job post with clear match scoring.
View on App Store →
Business
Vantio
Vantio is an AI-powered reply optimization tool designed for modern outreach.
View on App Store →
Business
Ledgio
Capture receipts before tax season turns into a scavenger hunt.
View on App Store →
Productivity
Replyra
Writing replies shouldn't feel hard \u2014 but it often does.
View on App Store →
Productivity
Subvio
See every subscription before it renews again.
View on App Store →
Productivity
Tripay
Group trips should end with memories \u2014 not messy expense spreadsheets.
View on App Store →
Productivity
Zenviq
Your calendar shows what is booked \u2014 Zenviq shows whether your day actually works.
View on App Store →
Utilities
Carlio
Know what your car really costs.
View on App Store →
Utilities
ClearStay
ClearStay \u2014 Smart Room Safety & Privacy Awareness
View on App Store →
Utilities
Velixo
Free up iPhone storage \u2014 find duplicates, blurry shots, and large files fast.
View on App Store →
Health & Fitness
Calixy
What are you actually eating?
View on App Store →
Travel
Monary
You know your budget.
View on App Store →
Travel
ParkOne
Never forget where you parked \u2014 level, spot, and time in one tap.
View on App Store →
Lifestyle
Libora
One home for the books, movies, and shows you want to finish.
View on App Store →
Lifestyle
Oriva
Oriva, g\u00fcn\u00fcn\u00fc daha bilin\u00e7li ya\u015famak isteyenler i\u00e7in tasarlanm\u0131\u015f sade ve sakin bir g\u00fcnl\u00fck fark\u0131ndal\u0131k uygulamas\u0131.
View on App Store →
Lifestyle
Petrio
Track pet health, meds, and vet visits when every detail matters.
View on App Store →
Lifestyle
Unghost
Unghost helps you understand what really happened when communication stops.
View on App Store →
Photo & Video
Rendix
Your photos deserve better results \u2014 without extra effort
View on App Store →
Games
BlockNest
Puzzle games are everywhere.
View on App Store →
Games
Rune Pop
A Magical Puzzle Journey Begins
View on App Store →
Games
Telaris
Puzzle games are everywhere \u2014 but most of them feel repetitive, cluttered, or overly complicated.
View on App Store →Web platforms for dashboards and SaaS
Browser-based tools that pair with our iOS apps — or ship as standalone products.
ContractLens Dashboard
Bulk contract analysis, risk scoring, and exportable reports — synced with iOS.
- Responsive on desktop, tablet, and mobile
- Shared backend with iOS — sync, auth, analytics
- Production deployment on AWS and modern cloud
Web App
ContractLens Dashboard
Bulk contract analysis, risk scoring, and exportable reports — synced with iOS.
React
Node.js
OpenAI
View details →
Web App
HireCraft Portal
Web-based CV builder with job matching, keyword scoring, and PDF export workflows.
Vue
PHP
PostgreSQL
View details →
Web App
Replyra Console
Manage reply templates, tone profiles, and AI suggestions from a unified web console.
React
REST API
OpenAI
View details →
Web App
Vantio Studio
Outreach optimization workspace with inbox views, A/B tone testing, and team sharing.
Next.js
Node.js
OpenAI
View details →
Web App
Monary Planner
Budget-first trip planning on the web — itineraries, cost breakdowns, and shared lists.
React
Maps API
PHP
View details →
Web App
Oriva Journal
A calm daily journal with mood tracking and weekly insights — works in any browser.
React
PWA
IndexedDB
View details →
Web App
ClearStay Panel
Room safety inspection checklists and privacy awareness reports for hospitality teams.
PHP
Laravel
MySQL
View details →
Duyus Cloud
Internal admin console for analytics, user management, and deployment across all Duyus products.
React
Node.js
AWS
View details →
Web App
Unghost Insights
Conversation timeline analysis, sentiment breakdowns, and pattern reports — synced with the Unghost iOS app.
React
OpenAI
Node.js
View details →
Web App
Calixy Hub
Nutrition dashboard with meal logging, macro tracking, and weekly eating insights on the web.
Vue
PHP
PostgreSQL
View details →
Web App
Rendix Studio
Browser-based photo enhancement workspace with batch processing and before/after previews.
Next.js
Canvas API
AWS
View details →
Web App
Duyus Play Hub
Unified game accounts, leaderboards, and progress sync for BlockNest, Rune Pop, and Telaris.
React
Node.js
Redis
View details →
Tech stack
Markets we build for
Business
Contract analysis, hiring, and professional outreach tools.
Productivity
Smart replies, message analysis, and workflow automation.
Games
Puzzle games and arcade experiences for iOS.
Lifestyle
Mindfulness, travel, utilities, and health apps.
Web App
Dashboards, SaaS tools, game hubs, and browser-based platforms.
Global reach, in numbers
Live products, languages, and markets — updated from our portfolio.
0iOS Apps
0Web Platforms
0Market Categories
0App Languages
0Countries Reached
Common questions
What types of projects do you take on?
We specialize in iOS mobile apps, AI-powered tools, and cloud-backed platforms. We work with founders and companies launching new products or scaling existing ones.
Do you only build your own apps?
No. We partner with external clients for custom development, white-label products, and long-term maintenance across the App Store and other platforms.
Which languages do you support?
Our products support multiple languages. Our website is available in English, Turkish, German, Spanish, French, Russian, Portuguese, and Italian.
Where is Duyus OÜ based?
We are registered in Tallinn, Estonia (EU), and serve clients globally.
Do you build web applications too?
Yes. Alongside our iOS portfolio, we develop web dashboards, SaaS tools, admin panels, and companion platforms — often synced with our mobile products.
Ready to launch your next product?
Whether you need a full mobile app or AI integration into an existing platform, we're ready to talk.
Contact Duyus