# TR4 — Four Track Tape Recorder

> A tape machine for your pocket

Canonical page: [https://chrome-stats.com/d/id6790867439](https://chrome-stats.com/d/id6790867439)

## Overview

- **ID:** `id6790867439`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Jonattas Poltronieri
- **Category:** Music
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 1.3.1
- **Last updated:** 2026-08-11
- **First published:** 2026-07-30
- **Size:** 4.44 MB
- **Data as of:** 2026-09-09
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/tr4-four-track-tape-recorder/id6790867439)
- **Website:** [https://tr4app.com](https://tr4app.com/)
- **Privacy policy:** [https://tr4app.com/privacy.html](https://tr4app.com/privacy.html)

## Description

TR4 is a four-track tape recorder and editor, built like an instrument.

A giant disc with real physics sits at the center. Drag it to scrub with varispeed — even in reverse. Flick it and it spins down like real hardware. One rotation is two seconds of tape.

MADE FOR HARDWARE
Plug in any class-compliant USB audio device — such as the EP-133 K.O. II — and TR4 recognizes it by name, captures true stereo at 48 kHz, and arms itself. Press play on your groovebox and recording starts on the exact downbeat — from the MIDI signal if your device sends one, from the first sound if it doesn't. Stop the groove: the take ends, rewinds to zero and re-arms for the next pass. Record four passes onto four tracks without ever touching your iPhone.

MIDI
• Follows MIDI transport — start, stop and continue, from any device that sends it
• MIDI Learn — map play, stop and record to a pad, a key or a footswitch
• Live monitor — see exactly what your gear is sending

RECORD
• Four tracks with overdub — record one while the others play
• 20 minutes per tape
• Built-in mic, headset, Bluetooth or USB stereo input
• Auto-record on USB signal, with noise calibration
• Metronome with 3-2-1 count-in and a visual beat that never leaks into the mic
• Auto-save: every take is kept as raw audio plus edits

EDIT
• Per-track volume, pan, mute and solo
• Non-destructive crop with draggable handles
• Loop playback while you fine-tune

MAKE IT YOURS
• Hold the disc to swap its look — a full collection of designs, from vinyl to street art

EXPORT
• Mix or separate stems, straight to the share sheet
• M4A included free; WAV & AIFF with TR4 Pro

TR4 PRO — ONE-TIME PURCHASE
Unlock everything, once: WAV & AIFF export, separate stems, unlimited projects, all disc skins and voice transcription. No subscription.

No accounts. No ads. No tracking. Your recordings never leave your device unless you export them.

## Rankings

- #656,829 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6790867439)