TypeBox Client vs TR4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TypeBox Client
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TypeBox is a professional audio streaming client designed for In-Ear Monitoring (IEM) and real-time audio distribution. Connect to any TypeBox server on your local network to receive high-fidelity, ultra-low latency audio directly on your iOS device. Key Features: - Ultra-Low Latency: Experience professional-grade audio monitoring with latency as low as 3ms over local Wi-Fi. - High Fidelity: Support for 48kHz/96kHz 16-bit PCM audio ensuring pristine sound quality. - Personal Mixing: Control your own mix with individual channel gain, pan, mute, and solo controls.
TR4
This app functions as a four-track tape recorder and editor, designed with a tactile interface. It allows for overdubbing, precise recording synchronization with external hardware, and flexible editing options. Recordings can be exported in various formats, with advanced features available through a one-time purchase.
- Four-track recording with overdubbing
- Hardware synchronization via MIDI
- Varispeed scrubbing and reverse playback
- Non-destructive editing with draggable handles
- Per-track volume, pan, mute, and solo
- Export mix or separate stems
- Customizable disc skins
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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. On iPad, TR4 runs in landscape: the four tracks and their waveforms on one page, volume, pan, mute, solo and delete in each track row, and the same disc in the transport. 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. With a multichannel interface, all four tracks arm and record at once. 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 stay on your device. Transcription uses Apple's speech recognition, on device whenever your language supports it.
Screenshots
Verdict
The clearest difference is in-app purchases: TypeBox Client at none against TR4's 1. TypeBox Client also leads on iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. TR4 sells 1 one-off in-app purchase. TypeBox Client asks for nothing beyond the download.
| Parameter | TypeBox Client | TR4 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 18 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Jacob Moura | Jonattas Poltronieri |
In-app purchases
TypeBox Client
No in-app purchases
TR4
- TR4 Pro$7.99









