159+ iOS apps curated and reviewed
Every iPhone needs a few good a440 apps. We benchmark 159+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (184) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.5★ (2) | No | No | May 2026 |
| 3 |  | Free | 2.9★ (8) | No | No | May 2026 |
| 4 |  | Free | 4.7★ (7.6K) | Yes | No | Jul 2026 |
| 5 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 6 |  | $4.99 | 5.0★ (3) | No | No | Jun 2026 |
| 7 |  | Free | 2.3★ (3) | No | No | May 2026 |
| 8 |  | Free | 4.8★ (666) | No | No | Jul 2026 |
Easily generate a tuning tone with a single tap. Enhance convenience by setting up Siri Shortcuts for quick access, even adding them to your Home Screen or widgets. Adjust the frequency to your needs and enjoy a fuss-free tuning experience.
Easily generate a consistent A-440 pitch for tuning instruments. Select from various instrument sounds to play the reference tone endlessly until you tap to stop. Ideal for musicians needing a reliable tuning reference.
This app provides a reference Concert A (440Hz) pitch for musicians who tune by ear. It offers a choice between a real oboe recording or a synthesizer oboe sound.
This application listens to your instrument's sound and displays its pitch, allowing for accurate tuning by showing the deviation from the desired note. It offers a wide pitch sensor range and customizable settings for concert-A frequency and sensitivity.
This application simulates a physical tuning fork. Tapping the virtual fork plays the A440 musical note. It's a simple tool for musicians and audio enthusiasts.
This app offers studio-grade tuning accuracy with a responsive analog meter. It provides a clean, distraction-free experience for tuning stringed instruments, with adjustable settings and no subscriptions or ads.
This simple tuning fork app generates a musical tone with a shake or tap. It stops the sound with another tap, making it a straightforward tool for musicians.
Book and manage all your ground transportation needs directly from your phone or tablet. Easily make reservations for immediate or future travel, edit or cancel bookings, and receive instant status updates. Track your driver's location and estimated arrival time.
Test your device's audio output and microphone functionality. This app plays specific frequencies and measures decibel levels to help identify speaker issues or microphone obstructions. Upgrade for unlimited testing and an ad-free experience.
Book flights to diverse destinations across Europe, North America, the Caribbean, and Africa. Customize your travel experience with meal and seat selections, and manage your trip with online check-in and digital boarding passes.
This app offers precise tuning for a wide variety of string instruments, including guitars, ukuleles, violins, and cellos. It features smart tuning safeguards, chord learning games, and ear training exercises to enhance musical skills for all levels.
This application listens to your instrument's sound and displays the pitch, allowing for accurate tuning by showing the deviation from the target note. It supports a wide range of instruments and offers extensive customization options for precise tuning.
Book global ride-hailing services including airport transfers, long-distance trips, and hourly chauffeur rentals. Compare prices, vehicle ratings, and driver hospitality before booking.
This app analyzes the pitch frequency of your voice or instrument and displays the corresponding musical note name. It's useful for singers, musicians, and anyone wanting to identify song keys or practice vocal training.
This app provides musicians with a precise and reliable metronome and tuner. It offers a clean interface, tap tempo control, and dual visual displays for a seamless practice experience. Accurately tune instruments across multiple octaves with various tone options.
Plan and schedule fitness classes directly from your mobile device. View class schedules, sign up for sessions, and find studio locations with ease. Optimize your fitness routine and maximize convenience.
Book and manage all your ground transportation needs directly from your phone or tablet. This app allows for easy reservations, edits, and cancellations, providing instant status updates and driver location information.
This app provides comprehensive study materials for pilots preparing for Airbus A320 type ratings, exams, and general aircraft knowledge. It features interactive flashcards, quizzes, memory items, and detailed system diagrams to aid learning.
A study guide for A320 trainees and pilots to easily learn and recall aircraft systems information. It aids in understanding and assimilating FCOM documentation and serves as a quick review tool. Users can add and save personal notes within the application.