247+ iOS apps curated and reviewed
EXTENSION.app is the household name in extension audio, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (4.9K) | No | Yes | Aug 2026 |
| 2 |  | $0.99 | 3.8★ (25) | No | No | Aug 2026 |
| 3 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
| 4 |  | $4.99 | 4.6★ (9) | No | No | Aug 2026 |
| 5 |  | Free | 4.3★ (83K) | No | No | Aug 2026 |
| 6 |  | Free | 4.7★ (67) | Yes | No | Aug 2026 |
| 7 |  | Free | 4.9★ (27K) | No | No | Aug 2026 |
| 8 |  | Free | 4.5★ (351) | No | Yes | Aug 2026 |
This app enhances video playback on iOS devices, enabling Picture-in-Picture mode for supported websites and apps. It allows for simultaneous playback of multiple videos, background audio, and provides extensive sharing and browser extension capabilities.
This music player offers real-time audio processing, including time stretching, pitch shifting, and a 31-band equalizer. It supports AUv3 effects and allows for A-B loop playback, making it ideal for practice, transcription, and performance adjustments.
Easily increase the volume of any audio file, from podcasts to music, with a simple interface. Achieve studio-grade precision to boost audio up to 30 dB and export high-quality files for sharing.
This audio effect app adds harmonics to sound by folding waveforms. It's ideal for enhancing synth leads, transforming drum loops, and creating ambient drones. Customize folding thresholds and modulation for unique sound design.
Instantly translate text, voice, and images between hundreds of languages. Features include offline translation, real-time conversation translation, and the ability to save frequently used phrases.
Amplify your device's audio output by up to 500% for richer, lossless music and clearer sound. This app lets you exceed standard volume limits for an immersive listening experience, turning your phone into a powerful mini speaker.
This is a free, open-source professional synthesizer app for iOS devices. It offers over 300 presets, MIDI support, a sequencer, and vintage-inspired filters. Learn music production basics and create your own sounds.
This app offers precise audio editing tools for music enthusiasts, podcasters, and video creators. Easily trim audio down to the millisecond, extract audio from videos, and export your creations in the highest quality.
Browse and purchase high-end car audio equipment. Create a wishlist of your ideal sound system and get early access to new products and special offers. Check inventory status for all items.
This music player allows real-time audio processing, including adjustable playback speed and a 31-band equalizer. It supports AUv3 effects, A-B looping, and background playback, with options to import audio files from other apps.
Connect your phone to smart audio devices for superior sound quality. Customize noise cancellation, game modes, and equalizers for a personalized listening experience. Enhances your smart living with premium wireless audio.
Record, organize, and edit audio with ease. Capture meetings, lectures, and ideas with clear controls, background recording, and advanced playback options. Manage your recordings with notes, folders, and searchable tags.
Easily extract audio from QuickTime (.mov) and MP4 videos. Select a video, specify the extraction time range, choose an output format, and save your audio clip. You can also add custom metadata and artwork to your audio files.
Easily edit audio files by trimming, splicing, and merging sounds. Extract audio from videos, record your voice, and convert formats. Create custom ringtones and import/export files via Wi-Fi or other apps.
Enhance your device's audio for music, movies, and games. This app amplifies sound beyond default limits, offering clearer and richer audio with a simple interface. Customize settings for a more immersive listening experience.
Record high-quality audio with an intuitive interface and powerful features. This app simplifies recording for interviews, lectures, and music, offering advanced tools like voice activation, cloud uploads, and transcription.
A private browser offering ad and tracker blocking, secure DNS, and organized tab management. It allows for offline page saving, background audio playback, and Picture-in-Picture video. Manage links and media efficiently with smart detection and in-app preview tools.
Easily edit audio files with trimming, cutting, and splitting tools. Adjust volume, add fade-ins/outs, and manage ID3 information. Supports a wide range of audio formats.
Play all your audio files, including music, audiobooks, and voice notes, with a powerful and intuitive player. Enjoy offline playback, smart organization, custom playlists, and a sleep timer for a seamless listening experience.