Showing 1–20 of 1,000 ranked alternatives.
Alterscope Solutions LLC
Stimulate 40 Hz brain waves with light,
Stimulate 40 brain waves through light, sound, and touch. Adjust intensity for each modality. Use a square wave audio tone, haptic vibrations, and flashlight signals. Includes a 40 scree feature.
The Hertz Corporation
Book car rentals and explore options
Book car rentals with options like economy, electric, SUV, van, and sports cars. Select vehicles, reserve, modify, and review reservations. View details and manage bookings directly through the .
Harmony Network Group Limited
Tune instruments with precision and accuracy
Detects tuning notes for string instruments. Generates tones for practice. Displays precise frequencies in hertz. Supports , ukulele, violin, viola, and cello. Syncs with Apple Watch and iPhone.
Guangzhou Li Zhi Network Technology Limited
Rent cars globally and book trips offline
Book cars globally with real-time pricing and instant booking. Search across 200+ countries and 200,000+ rental locations. Filter by vehicle type and availability. Access offline maps and rental insurance.
Carter's Retail, Inc.
Shop baby and toddler styles fast
Shop products from five brands in one . Check local store stock and select curbside pickup or same-day delivery options. Browse curated collections for different occasions.
KevLee Software LLC
Musical calculator for rhythmic values.
The app is a musical calculator for musicians and recording engineers. Users input a BPM value and select rhythmic values to obtain millisecond delay times or hertz modulation times.
KevLee Software LLC
Musical pitches and frequency values
The app displays musical pitches and their frequency values in hertz. Musical instruments are associated with hertz values, and the frequency spectrum is split into tabs for access.
Appchi LLC
Test speakers and measure sound levels
Test audio output with customizable sound tones to evaluate speaker performance. Measure decibels and hertz using a built-in sound level meter. Check microphone quality by analyzing sound input levels.
TMSOFT
Generate for sleep and relaxation
Generate calming to block distractions and promote sleep. Adjust volume and duration. Choose from nature sounds, rain, and ocean waves. Mask tinnitus and soothe headaches. Help calm babies and improve focus during tasks.
Kaleloft Limited Liability Company
Tune instruments by watching pitch
Detects and displays pitch in real time. Users can tune instruments by viewing pitch offset. It offers a wide range of pitch detection and responsive tuning feedback.
Better Feel Technology Co., Ltd.
Mix sounds for better
Create a calming environment with customizable sounds. Mix soothing options like rain, waterfall, and fan sounds. Use binaural beats including 2 Hz Delta Waves and 528 Hz tones. Access green, brown, red, and pink to block distractions.
Ana Danilov
Generate tones and control output
Allows users to generate tones across a 0 to 20,000 hertz range. It includes preloaded sounds for various uses. Users can switch audio output between device speakers and external outputs. The provides visualizations of sound waves in real time.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.