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Music player for iPhone, iPad, and Mac

OtohaYour music and class audio, with subtitles. Ask AI when a line loses you.

The MP3 your teacher sent, the FLAC you bought, the song you made with AI: they all play here. Lyrics and subtitles follow the music. Tap any line you don't get, and AI explains it.

  • Free to play
  • No ads
  • No sign-up
Otoha player with word-by-word highlighted lyrics following the music

How it works

From adding a file to really understanding it.

Play, practice, get explanations, and pick the next one, all in one app.

Otoha playlist showing artwork and the current track

01 · Library

Gather audio from everywhere into your own playlists.

Class audio from a chat, songs from the downloads folder, podcasts you follow. Put them together. They keep playing with the screen locked and pick up where you left off.

About your own library

02 · Understand

Missed a line? Tap it and get an explanation.

No subtitles? Otoha turns speech into timed captions. Slow it down, jump back 5 seconds, loop one sentence. Then tap the line and AI explains the meaning, grammar, and words. Ask follow-ups too.

See how listening practice works
Otoha AI explanation view breaking down one subtitle line, with follow-up questions

You tell AI DJ

“I'm kind of worn out. Play something that helps me wind down.”

Starts with a few familiar, quiet songs. What you skip or save shapes what comes next.

AI DJ also notices

It's eveningYou like vocal musicNothing too loud

03 · AI DJ

Say what you feel like hearing. It picks the songs.

No keywords needed. Describe your mood or what you're doing, and AI DJ picks what's next from your library, podcasts, Apple Music, and radio.

About AI DJ
Lyrics sing along. The screen moves with them.

04 · Stage

Lyrics sing along. The screen moves with them.

Word-by-word highlighted lyrics, scenes that change with each song, and lyric cards you can share.

About lyrics and Stage

Pricing

How free is free?

The player is free. No ads, no sign-up. Only AI and a few extras cost money, and you never have to buy them.

Core player

Free

Import, playlists, synced lyrics and subtitles, lock-screen playback, rewind, loops, speed control, speech-to-subtitle. All free.

AI explanations & AI DJ

Optional subscription

$1 for the first month, then monthly. Cancel anytime. On devices with on-device AI, some of this works without a subscription.

Premium

Optional purchase

World radio and TV, more themes and lyric card templates, Stage effects. 30-day free trial.

Apple Music needs your own subscription. Exact prices are shown in the App Store.

Direct macOS edition

Pay once. Use the desktop app forever.

US$99: 30-day free trial, lifetime Premium, plus two years of AI service. You can use your own API key too.

See the macOS lifetime edition

Questions.

What is Otoha?

Otoha is a music player for iPhone and Mac. It plays your own files: MP3, FLAC, class recordings, songs you made with AI. It also connects to Apple Music, podcasts, and radio. Lyrics and subtitles follow the music, and you can ask AI about any line you don't get. Free, no ads, no sign-up.

Does it keep playing when I lock the screen or switch apps?

Yes. It plays in the background and on the lock screen, and shows the current lyric line there too. Audio opened inside a chat app stops when the screen locks. Audio saved in Otoha doesn't.

The file my teacher sent expired in the chat app. What now?

Chat apps delete files after a few days. Files in Otoha live on your phone and never expire. When a file arrives, tap Share and save it to Otoha. Voice memos need to be converted to a file first.

Does importing copy my files and double my storage?

Importing from Files and iCloud doesn't copy anything. Otoha reads the original. Single files that come in through Share are stored inside Otoha. Deleting a playlist never deletes your originals.

Does my audio get uploaded anywhere?

No. Playback, your library, and listening stats stay on your device. Only when you ask AI to explain a line is that line's text sent to the AI. See the privacy policy for details.

See all guides

Download Otoha.

Put your next song or class audio file in a library of your own.

iPhone · iPad · macOS

App Store edition, free download

One App Store listing covers iPhone, iPad, and Mac. Local playback, listening practice, and speech-to-subtitle transcription are free, with no ads or account.

Direct macOS edition

30-day trial, US$99 lifetime

Download the Apple-notarized DMG and try the complete desktop edition. Pay once after the trial to unlock every Premium feature permanently.

Requires iOS 26+ for AI learning features. macOS player requires macOS 15.6+.