Best Vitalii Gryniuk Apps

Atomic structure theoriesModels of various elementsPhoton mechanism explanations

Explore various theories on the model and structure of atoms. This app details concepts like atomic postulates, photon mechanisms, and models for hydrogen, helium, lithium, beryllium, boron, carbon, nitrogen, and oxygen. It also covers related physics principles such as gravity, electromagnetism, and time.

📚 Education

(178)

free

Alarm Clock: & Sleep Timer

Wake up with favorite musicNature sounds for alarmsBedside clock display

Wake up gently with your favorite music or nature sounds. This app offers a customizable alarm experience with features like a bedside clock, adjustable snooze, and a sleep timer. It also includes a widget for quick access and a unique touch-to-snooze functionality.

(568)

The Sun: Sunrise sunset Times

Calendar sunrise sunset

Sunrise and sunset timesTwilight timesUV Index

Get precise sunrise, sunset, and twilight times for any location globally. Access detailed solar data including UV index, daylength, and the sun's position. Ideal for photographers, travelers, and astronomers seeking accurate celestial information.

☀️ Weather

(974)

Waiter POS Restaurant System

Point of Sale

Mobile POS systemKitchen display system integrationMenu management

This mobile point-of-sale system simplifies restaurant operations for businesses of all sizes. It offers features like menu, order, and table management, with secure local data storage and integration with kitchen display systems. The app is designed for quick setup and can be used on various Apple devices.

💼 Business

(103)

subscription

SBC - Ballistic Calculator app

Extreme Long Range ballistics

Accurate ballistic calculationsImperial and Metric unitsElevation adjustments (Mil-MRAD, MOA, click)

This app calculates precise ballistic data for long-range shooting, assisting shooters with holdovers and scope settings. It supports various units and reticle types, and is available on iPhone, iPad, and Apple Watch.

(1.6K)

subscription

Voice Recorder - REC App

Multiple recording formats (.mp3, .m4a, .wav, .caf)High microphone sensitivityFast recording from widget

Capture high-quality audio for interviews, lectures, and meetings with versatile recording formats and background recording capabilities. Easily share your recordings via email or PC, and enhance them with geotagging for location context.

Bubble LEVEL - High Accuracy

(65)

freemium

LEVEL App for iPhone

Angle measurement (0°, 45°, 90°)Surface levelHigh accuracy (0.02°)

This application transforms your iPhone into a precise digital level and angle measurement tool. It offers high accuracy for various tasks, including surface leveling, angle conversion, and even includes a ruler for actual size measurements.

(287)

Tone Generator App

from 20 Hz to 20 kHz

Sine wave tone generationFrequency range 20 Hz to 20 kHzHeadphone and speaker testing

Generate sine wave tones across a wide frequency range, from 20 Hz to 20 kHz. Useful for testing audio equipment, tuning musical instruments, and even for basic hearing assessments.

🎵 Music

(136)

Transfer files, playing audio.

Files: File Manager App

File organization and managementCross-device file transferMedia playback (audio/video)

Organize, transfer, and play various file types. Includes a private offline chat and GPS tracker for finding others without internet. Offers document viewing and text file editing capabilities.

RGB, RGBA, HEX, HSB, CMYK, LAB

(58)

freemium

Color converter - RGB

HEX color conversionRGB and RGBA conversionCMYK color conversion

This app is a professional color converter and picker for designers, painters, and developers. It supports conversion between multiple color formats including HEX, RGB, RGBA, CMYK, Lab, and HSB.

📊 Productivity

(68)

Tuner for Guitar Piano Violin

iTuner - Chromatic Tuner

High accuracy chromatic tuningTone generator with tuning forksFrequency meter and spectrum FFT

This professional chromatic tuner offers high accuracy for instruments like guitar, piano, and violin. It includes a tone generator with various tuning systems, waveforms, and a frequency meter for precise tuning and voice training.

🎵 Music

(113)

subscription

E Tuner: Chromatic tuner

High accuracy tuning (±2 cent)Tone generator (20 - 20,000 Hz)Frequency meter

This app provides a professional chromatic tuner for various instruments like piano, guitar, and violin. It offers high accuracy and includes a tone generator and frequency meter. It can also be used for headphone testing by sound engineers.

🎵 Music

(7)

free

Currency Converter - $€¥

160+ currencies supportedLive exchange ratesCurrency charts

Easily convert currencies with live exchange rates for over 160 world currencies. Track commodity prices like gold and oil with charts and offline access. Rates update automatically for convenience.

✈️ Travel

(52)

Calcy - Calculator App

Calculation historyAutomatically save numbersScientific notation

This utility app provides a comprehensive calculator with a history of previous calculations and automatic number saving. It offers scientific functions, constants, and supports both portrait and landscape orientations. A premium subscription unlocks all features for an annual fee.

ToMo - To-Do list Tasks and Reminders

(42)

freemium

Customizable interfaceExample to-do list includedBeautiful color schemes

A straightforward to-do list application designed for iPhone users. It offers a customizable interface with various color schemes and includes an example list to help users get started with task management.

Access the official Ukrainian traffic rules, including road signs, markings, and vehicle identification. This educational tool provides comprehensive information on traffic regulations and automotive specifics.

Traffic rulesRoad signsRoad markings

📚 Education

(36)

free

Newborn Baby tracker: baby Log

Feeding, Sleep, Diaper ...

Feeding trackerDiaper change logSleep tracking

Track your newborn's feeding, sleep, diaper changes, and growth. This app helps you monitor temperature, medicine, milestones, and teething. Sync data across devices for comprehensive baby care management.

🏥 Medical

(11)