234+ iOS apps curated and reviewed
If you already know Acapella from PicPlayPost, this is the deeper bench. 234+ harmonizer audio effect apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.
Create multi-frame music videos and collaborate with musicians worldwide. This app offers multitrack recording, advanced audio editing tools, and social sharing capabilities. Record songs, import videos, and enhance your sound with professional-grade effects.
Edit and record music, voice, and other audio with a professional suite of tools. Features include cut, copy, paste, and a variety of audio effects like echo and noise reduction. Supports numerous file formats and cloud storage integration.
This real-time audio effect app shifts pitch and adds harmonies to your original sound. It functions as an Audio Unit plugin or a standalone effect using your device's microphone or external audio interfaces. The pitch shifting preserves the original timing and tempo.
This mobile recording studio and audio editor helps users sound professional with intuitive tools. It offers automatic pitch correction, background noise removal, and a variety of effects. Users can record vocals, process existing audio/video, and even extract vocals from songs.
This app offers a comprehensive suite of tools for editing and enhancing audio. Easily splice, mix, record, and manipulate audio with features like pitch shifting, reverb, and a 10-band equalizer. It also includes advanced functions like noise reduction and format conversion.
Record high-quality vocals and create multi-track music projects on your mobile device. Easily import beats, layer vocals, mix tracks, and collaborate with others. Share your finished songs directly to social media platforms.
This multitrack audio editor allows you to record or import audio, then perform detailed edits like cutting, copying, and pasting. It offers a suite of filters and special effects, with advanced features available through in-app purchases. Mix multiple tracks and export your creations in various formats.
Record audio from your microphone and play it back forwards or in reverse. Adjust playback speed and pitch for creative sound manipulation. Import audio files from other apps and save your creations for later access.
This app provides desktop-grade audio editing tools on your mobile device. It features a multi-track editor with numerous effects, an AI vocal separator, and a robust audio recorder. It's designed for music and podcast creators needing a convenient, on-the-go solution.
Enhance your audio experience with a powerful equalizer and sound customizer. Stream music and podcasts from various platforms, create personalized playlists, and enjoy features like bass and vocal boosters. Offers presets for different genres and listening scenarios.
This app offers advanced pitch shifting, delay, and reverb effects inspired by a classic hardware unit. Create expansive, modulated soundscapes for instruments and vocals, with real-time control over parameters.
This app offers professional audio equalization and sound enhancement for music lovers. Fine-tune frequencies, apply effects like bass boost and reverb, and enjoy stunning visualizations. Supports local files and streaming audio.
This powerful audio editing tool allows for precise clipping, cutting, and mixing of music. It offers advanced features like vocal removal, audio enhancement with various effects, and the ability to create custom ringtones. Users can also record audio, convert formats, and even compose videos with dubbed audio.
Transform your voice into a musical instrument with a suite of advanced audio effects. Create robotic voices, harmonies, and unique soundscapes using only your voice. Save and share your creations, or integrate them into your digital audio workstation.
Easily cut, mix, and edit audio files to create custom ringtones and explore advanced audio effects. This tool supports various import/export methods and includes features like noise reduction and vocal manipulation.
Enhance your music listening experience with a powerful 7-band equalizer and bass booster. Customize sound effects with presets or create your own, and enjoy background playback and radio streaming.
This app offers comprehensive audio editing tools, including recording, playback, and advanced manipulation like cutting, pasting, and noise reduction. It supports various audio formats and allows for complex mixing and effects.
Record, edit, and enhance audio with precision. This app offers high-fidelity editing tools, including cutting, merging, and applying effects like reverb and pitch shift. It supports various file formats and allows for unlimited recordings, making it ideal for musicians, podcasters, and anyone needing to manipulate audio.
This app offers comprehensive audio editing tools, including mixing, volume control, pitch and tempo adjustments, and a custom equalizer. It also features AI-powered vocal separation, sound effects, and the ability to add music to videos. Projects can be synced across devices and shared with collaborators.
This audio effect application provides vibrato, chorus, and multi-stage driven filters for iOS. It enhances instruments like keyboards, guitars, and bass with depth, color, and psychedelic textures. The app functions as a container and documentation for an Audio Unit (AU) and requires a host application to operate.