Phrabbit: Shadowing & A/B Loop

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The surest way to make a sentence truly your own — listen, repeat, and say it out loud.

Phrabbit is an A/B loop practice app for language learners. Grab any passage from an audio file, a video file, a podcast, or a YouTube stream, loop it until it clicks, and now speak along to compare your own pronunciation.

◆ Shadowing · Listen to an A/B range, then repeat it in your own voice · Play your take over the original and compare the waveforms (audio files) · The passage's subtitles appear on the shadowing screen, highlighting each line as it plays (audio files) · Shadowing gap — automatically leaves time to speak between loops, with a countdown · Shadowing also works with video files and YouTube streams · My Recordings — save your best takes and pick practice back up on the same range

◆ A/B looping right on the waveform · Set precise ranges with your fingertip while watching the waveform · Loop as much as you want, adjust speed (0.5x–2.0x) · Save important ranges as bookmarks

◆ Practice with video · Bring in video files already on your device (MP4, M4V, MOV) and loop them the same way · Attach an SRT or VTT subtitle file, show it over the video, and nudge the sync if it drifts · Sentence practice — tap a sentence card and that sentence becomes the loop. Tapping the subtitle on the video does the same, so you never mark a range by hand for a sentence · No subtitles? Mark an A/B range and convert just that part with speech recognition · Fullscreen practice — turn sideways for subtitles and range controls together · Tap a word in the subtitles to save it to your wordbook with its context · Videos are referenced, not copied, so they use almost no app storage

◆ Comfortable anywhere, anytime · Background playback — loops keep running with the screen off or while you use other apps · Sleep timer — auto-pause after 5, 15, 30, or 60 minutes · Earphone remote — the previous/next buttons step through sentences (or 5 seconds, on a file with no transcript) · Bookmark queue — tap Play All to practice saved ranges back-to-back, and skip between them from the Lock Screen · Control playback right from the Lock Screen and Control Center

◆ Speech to text (STT) · Turn speech into sentence-by-sentence text, synced to the waveform in real time · See exactly which sentence is playing as you learn · Type subtitles yourself — practice from your own script when speech recognition struggles with the audio, and your typed lines stay put even if you run recognition later · Apple Intelligence subtitle translation — translate a whole transcript on your device and read it beside the original (requires iOS 26.4 and an Apple Intelligence capable device) · On-device processing — your audio is never sent to an external server

◆ Many sources · Import audio files (mp3, m4a, and more) · Import video files (MP4, M4V, MOV) · Podcasts — browse shows curated for the language you are learning, or add one by name or RSS address · Download podcast episodes, and bring in your Apple Podcasts subscriptions · Practice any YouTube link as a stream

◆ Keep your library in order · Folders — group your material, and nest folders inside folders as deep as you like · Favorites — mark what you open most and reach it straight from Home · Search — finds what is tucked inside a folder, and shows you where it lives

◆ Tools that help you learn · Wordbook — save words you don't know and review them · AI word explanations (Beta) — tap a word in your wordbook and Apple Intelligence explains it on-device, in context · Stats — see your practice time and streak at a glance · Works on both iPhone and iPad

Start free. A/B looping, playback speed, the shadowing gap, the sleep timer, and one bookmark per file or video are all free. STT, shadowing recordings, unlimited bookmarks and wordbook (including AI word explanations), background playback, podcasts, and subtitle translation are available with Premium — a one-time purchase, no subscription.