01
Finance & TravelCurrency Converter: RateX AI
Live exchange rates, offline conversion, price alerts, historical charts, and AI-powered currency scanning.
Independent iOS studio
Useful apps.
Beautifully simple.
I’m Amir Pirzad. I design focused iPhone apps for travel, learning, photo organization, and everyday life.
Made for iPhoneNative by design
The app collection
Apps made with intent.
Each app solves a focused problem with a private, approachable experience designed for Apple platforms.
Finance & Travel
02
EducationGerman Verb Trainer + Quiz
Learn German verb conjugations with 8,000+ verbs, flashcards, quizzes, progress tracking, and offline practice.
03
Utilities & PhotoSlay: Swipe Photo Cleaner App
Clean an iPhone photo library with quick swipes, duplicate detection, undo, storage insights, and privacy-first processing.
04
Reference & EducationDer Die Das | German Articles
Master German noun gender with 20,000+ nouns, article rules, interactive quizzes, favorites, and offline search.
Practical guides
Learn something useful.
Helpful advice for traveling smarter, learning German, and keeping your iPhone organized.
How to convert currency confidently while traveling
A practical routine for checking exchange rates, understanding card charges, and avoiding expensive conversion surprises abroad.
5 min readRead guide →
A simple system for learning German verb conjugation
Build reliable German verb knowledge with small daily sessions, active recall, and tense-by-tense practice.
6 min readRead guide →
How to remember German noun gender: der, die, or das
Use patterns, article-first vocabulary, and targeted review to make German noun gender easier to remember.
5 min readRead guide →
About the studio
Small studio.
Big attention to detail.
Blue Byte Apps is an independent studio by Amir Pirzad. We create useful, privacy-conscious products for learning, travel, personal productivity, and everyday life.
01Native by design
02Focused by default
03Crafted with care
Need help?
[email protected] ↗