Everything here is real and checkable: apps you can download today, systems running in production for named clients, and products Savas runs himself. No stock photos and no invented numbers; when something is marked as shipped, you can click through and check it. Built by Savas Tutumlu, who founded Stratagem Systems in Houston, TX in 2023.

4iOS apps live on the App Store
97.1%recall for Otocropper's question detector on a held-out 238-page book
16modules in a manufacturing ERP running in production, handed over in Sep 2026
2,000+ads generated by code for a medical practice's Google Ads account
Live on the App Store MUST: See, Eat, Visit screenshot 1 MUST: See, Eat, Visit screenshot 2 MUST: See, Eat, Visit screenshot 3

MUST: See, Eat, Visit

City companion app for Istanbul, Miami & New York with an AI concierge that turns answers into savable plans.

Expo / React NativeTypeScriptMapLibreClaude AIVercel
App StoreVisit site
Live on iOS & Android 1in46: AI Dream Interpreter screenshot 1 1in46: AI Dream Interpreter screenshot 2

1in46: AI Dream Interpreter

Voice-first AI dream journal grounded in 6,300 passages of classical dream scholarship — with cinematic AI dream films.

React Native / ExpoSupabase + pgvectorClaudeFLUX / Kling / VeoRevenueCat
App Store Google PlayVisit site
Live on the App Store Mawla: Quran, Prayer Times screenshot 1 Mawla: Quran, Prayer Times screenshot 2 Mawla: Quran, Prayer Times screenshot 3

Mawla: Quran, Prayer Times

Daily Islamic companion: precise prayer times, adhan, Quran, qibla and a voice assistant — in Turkish and English.

React Native / ExpoSupabaseAI voice assistantRevenueCat
App StoreVisit site
Live on the App Store Zoomi Kids screenshot 1 Zoomi Kids screenshot 2 Zoomi Kids screenshot 3

Zoomi Kids

A no-fail preschool learning race that gently ends itself when the parent-set session cap is reached.

Swift / SpriteKitNative iOSOffline-first
App StoreVisit site
Live since Jul 2026 Sağlama homepage in Turkish: a company search box beside a sample BİM record showing three participation-finance ratios against their thresholds

Sağlama

Savas Tutumlu's own venture: free, source-linked participation-finance ratios for Borsa İstanbul companies, each shown with its numerator, denominator, threshold and source document.

Python data pipelinePDF statement parsingNext.jsPostgreSQLRead-only JSON API
Visit site Case study
Live since Oct 2026 SetupMotion home page: the headline “Show customers how to set up your product, in their own language.” beside Tater, a 3D potato host, and an open delivery box

SetupMotion

Savas Tutumlu's new venture: product manuals turned into animated setup videos, social clips and QR video manuals in more than 20 languages, designed and built solo.

p5.js + p5.brushHeadless ChromeElevenLabsffmpegBlender
Visit site Case study
Live on web & App Store Trexlator screenshot

Trexlator

Layout-preserving document translation on the web and iOS — upload a PDF, Word, PowerPoint or Excel file and get it back translated, with tables, columns and images in place.

Next.js 15Node.js (Fastify)DeepL + Google Cloud TranslationStripeReact Native (Expo)
App StoreVisit site
In use since May 2026 Graded homework with invented sample data: handwritten answers outlined green, red or orange, totals per verdict and the AI's explanation of a wrong answer

Ev Çalışması Merkezi — Erkan Ulu Schools

AI homework platform for Erkan Ulu Schools in Istanbul: students upload photos of handwritten homework, every question is marked and explained, and teachers see the whole class.

Next.js 16 / React 19FastAPISupabase PostgresGemini + ClaudeComputer vision
Okul Yazılım Evi Case study
In production SPSTARPLAST ERP production planning grid in dark mode with sample data: jobs per machine and shift, with product, label, color, packaging and order quantity

SPSTARPLAST Manufacturing ERP

16-module ERP for an Istanbul thermal-insulation dowel manufacturer, integrated with its LOGO ERP — in production, and handed over to the client in September 2026.

Next.js 15Supabase / PostgreSQLLOGO ERP integrationTypeScript
Case study
Teacher alpha since Sep 2026 Gelgit Adası title card over the island at night, with a lit pier, a moored boat and glowing surf; the Turkish tagline reads “the most fun way to learn” above a “coming soon” badge

Gelgit Adası

3D island game in which homework effort fuels the boat, built into Erkan Ulu Schools' homework platform for the students' iPads. Teachers play it now; opening to students is planned.

WebGPUiPad touchFastAPIPostgreSQL
Okul Yazılım Evi Case study
In use since Sep 2026 Otocropper's macOS review window for a sample practice exam: a library sidebar, a grid of cropped questions flagged for review, and a search box

Otocropper

Offline Mac app for teachers at Erkan Ulu Schools that turns scanned question-bank PDFs into one image per question, named by its printed number and filed by unit and test.

RT-DETRv2 (PyTorch)Tesseract OCRSwiftUIApple GPU (MPS)Notarized macOS app
Okul Yazılım Evi Case study
Live on client domains Tinyhouse Atelier homepage with the headline “Sustainable Living, Beautifully Designed, Accessible To All” over a hillside photo of tiny houses

Selected client websites

Websites built and deployed end to end on the clients' own domains: a bilingual product catalog, a tiny-house builder, a health tourism agency, a pain treatment center, a law firm and a barber in Fethiye.

Next.jsReactTypeScriptTailwind CSSVercel
SPSTAR Tinyhouse Atelier SpineMedTR SpineMed Çekinmez VİP Barber Adem
In development Ashfall Kingdoms screenshot 1 Ashfall Kingdoms screenshot 2 Ashfall Kingdoms screenshot 3

Ashfall Kingdoms

Portrait-mode mobile action RPG in Unity 6 with real-time multiplayer on SpacetimeDB.

Unity 6C#SpacetimeDBiOS / Android
In production

Agentic OMR Grading — Erkan Ulu Orta Okulu

AI answer-sheet grading from phone photos: YOLO + a custom-trained vision model, with human review only where confidence is low.

YOLOCustom VLM via vLLMPythonHuman-in-the-loop review
Case study
In production

Programmatic Google Ads Engine

Google Ads API automation that generates and governs 2,000+ ads across 1,000+ ad groups for a healthcare practice.

Google Ads APIPythonTemplate-driven generation
Case study
Internal platform

Soru Üretim Stüdyosu

AI content-ops studio that generates and validates new exam questions from blueprints of official past papers.

LLM pipelineSupabaseNext.jsValidation harness
Open source · MIT

repo-visibility-audit

Read-only command-line check that reports which personally owned GitHub repositories are public, and fails a CI job when an unexpected one appears.

Python (standard library)GitHub CLIJSON outputCI exit codes
GitHub

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