Home
Work

Shipped iOS apps, and what each one proves

Six products, each built and launched on the App Store. Together they cover hardware integration, Apple Health, map-based workflows, subscriptions and multi-country editions.

Civio

Exam prep · Romanian, German & US editions

Challenge: Three countries, three different citizenship tests — different question banks, formats and rules — and one small team to serve all of them.
Solution: One shared engine — quizzes, Leitner-system spaced repetition, exam simulation, progress tracking and subscriptions — configured for each country's official format. Romania's interview module lives in its own component.
Outcome: Three apps live on the App Store: Romanian, German (420+ official BAMF questions) and US (USCIS civics test) editions.

How it was built →App Store (US edition) ↗Website ↗

My Mustang

Owner tools · iPhone, Mac & Apple Vision

Challenge: Mustang owners kept maintenance history in glove-box receipts and half-remembered schedules — a real problem at resale or warranty-claim time.
Solution: A multi-vehicle garage with custom maintenance reminders, a service history with photos and documents, and OBD-II scanner integration for real diagnostic codes.
Outcome: Live on the App Store since February 2026 — free, with a lifetime Pro upgrade. Early reviewers rate it 5.0★.

Read the case study →App Store ↗Website ↗

Foaie Parcurs

Fleet trip logs · iPhone

Challenge: Companies that run vehicles still fill in trip logs on paper or in spreadsheets — slow, error-prone and hard to report on.
Solution: A native app for vehicles, drivers and trip logs: stops picked on a map, odometer readings and fuel consumption calculated automatically, monthly statistics, reminders, and PDF and CSV export.
Outcome: Live on the App Store with a PRO tier. Runs entirely on the device — no backend to host or secure.

App Store ↗Website ↗

BreathHold Coach

Health & training · iPhone

Challenge: Freedivers and swimmers needed structured, safe, land-based breath-hold training that adapts to how they actually perform — without creating an account.
Solution: Guided CO₂, O₂ and custom tables with countdowns, haptic and audio cues, adaptive progression, session statistics and achievements, plus optional Apple Health sync.
Outcome: Shipped in 2026 with a dedicated product site. Training data stays on the device; Apple Health sync is opt-in.

App Store ↗Website ↗

FIThim

Fitness · iPhone & iPad · formerly Gym Tracker & Workout Planner

Challenge: Give beginners the feel of a personal trainer — a plan matched to their goal and body — without the sign-up wall most fitness apps put in front of the first workout.
Solution: A few onboarding questions set the goal, focus areas and activity level, then the app computes daily calories and builds today's workout from 152 exercises with real photos and animated demos. Water, weight, streaks and reminders are built in. Version 3.0 (September 2026) rebuilt the app from the ground up: no account, fully offline, dark mode.
Outcome: Live since 2023. The core is free; a FIThim Pro auto-renewing subscription unlocks hand-built workouts from the full library. Rated 5.0★ on the Romanian App Store (14 ratings).

App Store ↗Website ↗

BacIstorie

Exam prep · iPhone, iPad, Mac & Apple Vision

Challenge: Romanian students prepare for the History Bacalaureat with PDFs and printed manuals — with no way to test what they actually know.
Solution: 880+ practice questions with explanations, 500+ flashcards, structured summaries, and 12 timed simulations on the real 3-hour limit — across all 21 official syllabus topics.
Outcome: Live since May 2026, collecting no user data. The same template has since grown into seven Bacalaureat subject apps.

Read the case study →App Store ↗Website ↗

Discuss your project

Portfolio

26 apps live on the App Store

Everything published under ISTACK DEVELOPMENT. Tap an app to open its App Store page.

View developer page on the App Store ↗

Have a product like these in mind?

Tell me what you're building. I'll tell you honestly whether and how I can help.

Start a project madalin@istack.ro