Perform advanced calculations with complex numbers, including conversions between rectangular and exponential forms. Features quick copy-paste functionality and automatic dark mode for a seamless user experience.
Complex Calc by Yevhen Pyvovarov



215+ iOS apps curated and reviewed
Out of 215+ yevhen pyvovarov apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.



Perform advanced calculations with complex numbers, including conversions between rectangular and exponential forms. Features quick copy-paste functionality and automatic dark mode for a seamless user experience.






This online marketplace offers a vast selection of 50 million items, from electronics and clothing to home goods and cosmetics. Enjoy competitive pricing, personalized recommendations, and convenient delivery options. Get genuine products with real customer reviews and easy returns.






Get groceries and ready-to-eat meals delivered quickly, often within 15 minutes. Offers a wide selection of fresh products, including own-brand items, and convenient delivery options.


Order groceries, ready-to-eat meals, and household essentials for fast delivery to your home or office. Enjoy a wide selection of items, including specialty products and everyday necessities, with delivery often in under 20 minutes.


Get groceries and ready-to-eat meals delivered to your home in as little as 30 minutes. Enjoy loyalty points, cashback on purchases, and daily discounts. Save money on your favorite products with convenient and fast delivery.


Stream a vast library of movies, TV series, cartoons, and live broadcasts on any device. Enjoy exclusive premieres, trending shows, and original content with features like subtitles and background playback. Discover personalized recommendations and share videos with friends.


Order a wide variety of food and groceries from local stores, cafes, and restaurants. Enjoy fast delivery, track your order in real-time, and discover daily discounts and special offers. Get your first delivery for free.


Connect with Russian-speaking individuals worldwide for meaningful relationships. Find people who share your culture, values, and sense of humor. Detailed profiles and smart matching help you discover compatible partners.


Get groceries delivered from your nearest store or pick them up yourself. Access your loyalty card, scan items to add to your cart, and enjoy personalized offers and discounts. Save time and money on your shopping.


Order food from thousands of restaurants and get groceries and daily essentials delivered quickly. Discover local shops and enjoy daily discounts on a wide range of products.


Discover a curated selection of stylish, high-quality branded goods, including fashion, cosmetics, and home decor. Enjoy a convenient and inspiring shopping experience with exclusive collections and trusted brands.


Find professionals for any task, from tutors to home repair. Simply post your job, and qualified specialists will contact you with offers. Browse profiles, read reviews, and book services directly within the app.


Find and sell used and new cars with a vast selection of verified vehicles. Access detailed car history reports, communicate with sellers via chat and video calls, and save favorites. For sellers, easily list vehicles, receive buyer feedback, and boost visibility.


A platform for buying and selling a wide range of items, from cars and real estate to services and job opportunities. Discover local listings, find free items, or earn money by selling your own goods. Offers secure communication and detailed vehicle checks.


Easily search, reserve, and buy train tickets for all routes. Manage your bookings, receive timely trip reminders, and get updates on delays and news. Return tickets quickly if plans change.


Prepare for your driving license exam with up-to-date traffic rules and test questions. Practice in an exam simulation mode, track your progress, and get expert explanations. Learn the rules to avoid fines and pass your test with confidence.


This educational platform makes learning fun for children with engaging characters and personalized learning paths. It aligns with school curricula and national standards, boosting academic performance. Access all features through a subscription.


Manage your finances, make secure payments, and transfer money with this mobile banking app. It offers features like currency exchange, opening new products, and expense tracking. Access a full bank branch in your pocket for 24/7 convenience.




Easily transform any device into your personal VPN server. Connect securely from anywhere, protecting your internet usage on public Wi-Fi and enabling remote access to your home or office network. Enjoy privacy and security without complex setup.