Senior Full-Stack Engineering Studio·7+ Years Building for iOS, Android & Cloud·Start a project →

Mobile Apps. Scalable APIs.
Modern Web & SaaS.
Built to scale. Shipped to production.

Tryeno is an engineering studio led by senior software architects with over 7+ years of production experience. We design, develop, and deploy native-grade Flutter mobile apps, enterprise Next.js web platforms, and robust distributed cloud backends for ambitious founders and businesses.

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View shipped apps

7+ Years in Production · 50+ Shipped Builds · Flutter, iOS & Android · AWS & Distributed Cloud

Latest App Store ReleaseiOS & iPadOS

MimiRecall is now live on the App Store.

Japanese JLPT Learning · On-Device OCR · 100% Offline

Our newest in-house mobile release, MimiRecall, is engineered for rapid Japanese language mastery across JLPT N5 to N1. Built with an on-device camera text scanner (OCR) to read physical books and menus locally, native iOS speech synthesis audio, and a privacy-first zero-tracking architecture.

JLPT Levels N5 through N1 with Spaced Repetition (SRS)
100% On-Device Camera OCR Scanner (Local ML)
Zero data collection — all study data stays on your iPhone
Native iOS Text-to-Speech (AVSpeechSynthesizer)

Download on Apple App Store Privacy Architecture

Actual App Store screenshot · iPhone 17 Pro Build

Verified Production Mobile Apps

Real code. Real stores. Real user interfaces.

Explore genuine screenshots captured directly from our production builds on the Google Play Store and Apple App Store. Tap each app and switch views to see the depth of architecture and UI polish we deliver.

MimiRecall

Play Store Verified

EdTech & Language AI

Japanese JLPT Learning & OCR Scanner

100% offline Japanese language learning suite. Combines spaced repetition (SRS), on-device camera OCR for Kanji extraction, and native iOS Text-to-Speech pronunciation.

On-Device OCR & Zero Cloud TelemetrySwift / FlutterApple Vision OCR

Google Play·Architecture

SchoolSync

Play Store Verified

EdTech & Operations

Offline School Administration Suite

Built for institutions operating in low-bandwidth regions. Enables offline student attendance recording, fee logging, and bulk CSV report management.

100% Offline-First OperationFlutterHive DB

Google Play·Architecture

Udharbook

Play Store Verified

Fintech & Ledger

Digital Credit Ledger & Accounts

Digital replacement for physical bahi-khata. Tracks customer credit and debit balances, logs partial payments, and exports clean PDF account statements.

Local Data Encryption & PDF ExportFlutterEncrypted DB

Google Play·Architecture

ShopKeep

Play Store Verified

Retail & Commerce

Retail POS, Inventory & Invoicing

Built for independent retail stores. Features offline-first product lookup, fast checkout billing, inventory stock tracking, and daily sales summaries.

Offline-First SQLite ArchitectureFlutterSQLite

Google Play·Architecture

FurryCat

Play Store Verified

Sports Management

Cricket Captain & Tournament Organizer

Designed for cricket captains and club organizers. Handles tournament bracket scheduling, live ball-by-ball scoring, player statistics, and match expenses.

Real-Time State & Cloud SyncFlutterDart

Google Play·Architecture

JHATPAT

Play Store Verified

Field Operations

Service Booking & Technician Dispatch

Role-based dispatch tool connecting service technicians with repair tickets. Features photo problem logging, job status tracking, and technician assignments.

Multi-Role Ticket ManagementFlutterREST APIs

Google Play·Architecture

JLPT N5–N1 study paths, daily streak & progress

Open on Google Play

Core Engineering Capabilities

What we build. How we deliver.

We partner with ambitious founders and engineering leaders to ship mission-critical software. No boilerplate shortcuts — just battle-tested, clean craftsmanship.

iOS & Android

Cross-Platform Mobile Apps

High-performance mobile applications engineered with a unified Flutter codebase for seamless cross-platform parity.

What We Deliver:

Fluid 60 FPS animations with native Cupertino & Material 3 UI
Offline-first local persistence with SQLite & cloud synchronization
End-to-end publishing on Google Play Store & Apple App Store
Native device hardware integration: Camera, Bluetooth, GPS & OCR

FlutterDartSwiftKotlinSQLite

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Full-Stack Web

Enterprise Web Platforms & SaaS

Modern Next.js and React web applications built for speed, SEO discoverability, and high-conversion client workflows.

What We Deliver:

Sub-second load times targeting 100/100 Core Web Vitals
Server-Side Rendering (SSR) & dynamic routing with Next.js
Role-based access control (RBAC), admin portals & Stripe billing
Responsive, clean design systems tailored for all screen sizes

Next.jsReactTypeScriptTailwind CSS

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Distributed Backend

High-Concurrency Cloud & APIs

Resilient microservices and REST/GraphQL APIs architected to handle heavy traffic spikes with low latency.

What We Deliver:

Sub-20ms p95 API response times with automated Redis caching
Relational & document database clustering (PostgreSQL & MongoDB)
Asynchronous background worker queues & serverless compute
Automated load balancing & multi-region cloud deployment on AWS

AWSNode.jsPythonPostgreSQLRedis

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Production AI

AI & Machine Learning Systems

Practical, enterprise AI implementations that solve actual business bottlenecks rather than superficial wrappers.

What We Deliver:

Custom LLM agent pipelines integrated with Claude & OpenAI
Retrieval-Augmented Generation (RAG) using pgvector embeddings
On-device OCR, document parsing & automated data extraction
Enterprise verification layers to prevent hallucinations

OpenAIClaudeRAG Pipelinespgvector

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Infrastructure & Automation

DevOps & Zero-Downtime CI/CD

Reproducible cloud infrastructure and automated release pipelines that keep production stable and releases predictable.

What We Deliver:

Infrastructure as Code (IaC) versioned with Terraform & Docker
Automated test suites running 400+ unit, integration & E2E checks
Zero-downtime rolling deployments and automated rollbacks
Production telemetry, real-time error logging & security alerts

TerraformDockerCI/CDKubernetes

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Engineering Partnership

Full Product Ownership & Support

Direct collaboration with senior architects. We oversee code quality, architecture reviews, and production maintenance.

What We Deliver:

Direct technical leadership from CEO & Founder (Dina Nath)
100% intellectual property (IP) and full source code ownership
Production SLA support with 24/7 automated uptime monitoring
Comprehensive codebase audits, security hardening & refactoring

ArchitectureSLA SupportCode AuditsScalability

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Projects shipped to production

Years building software

Customers across geographies

Next.jsReactTypeScriptFlutterSwiftKotlinNode.jsPythonGoAWSGCPAzureTerraformKubernetesDockerPostgreSQLMongoDBRedisStripeOpenAIClaudeTensorFlowNext.jsReactTypeScriptFlutterSwiftKotlinNode.jsPythonGoAWSGCPAzureTerraformKubernetesDockerPostgreSQLMongoDBRedisStripeOpenAIClaudeTensorFlow

Watch us ship

From git push to production in 3 minutes.

Our standard deploy pipeline: build → test → infrastructure update → store push → cache invalidation. Same flow whether it's a one-line copy fix or a full feature rollout.

tryeno-deploy

Verified Shipped Products

Software we've built and shipped to production.

Every card below represents an active, published software application built by our senior engineering team. Downloadable on official app stores and used daily in the real world.

App Store

Japanese JLPT & OCR