4 Tracks LX vs MTR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4 Tracks LX
This multitrack digital audio workstation allows you to record, mix, and share complete songs on your iPhone. It offers high-quality recording, a built-in synthesizer, and the ability to load audio files and loops for on-the-go music creation.
- Multitrack digital recording
- Integrated synthesizer
- Load audio files and loops
- CD-Quality Recording (16 bit, 44.1 kHz)
- Metronome for time-perfect recordings
- Mixdown tracks
- Share complete songs
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4 Tracks is the original multitrack digital recording studio for the iPhone. Simple to use and very light, this is the audio tool that you can always have with you. We worked hard to bring you the best sound quality and the lowest latency possible on device. 4 Tracks focuses on features that are useful and quick to access on a mobile device, you can create and share a complete song in a few steps. Create on the go and make it to the charts ! It was used to create full albums ( including Chris Price's Homesick). Features of the unlocked version : - Mixdown your tracks - Integrated synthesizer - Loads audio files and loop (AIFF, WAV, loops)! - CD-Quality Recording 16 bit, 44.1 kHz - Metronome allows you to create time perfect recordings (60 to 200) bpm - Monitoring - Save and manage your tracks using a clean interface
MTR
Record and mix up to 8 audio tracks with extensive control over volume, pan, playback rate, and pitch for each. Import music and audio files, then share your final mixes.
- Record up to 8 tracks
- Adjust volume, pan, playback rate, and pitch per track
- Import music from Music App
- Import audio files via share action (wav, mp3, mp4, etc.)
- Metronome included
- Mix and share audio
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This app can record up to 8 tracks. Then mix recorded tracks. Features: - Enable to change volume, pan, playback rate and pitch for each track - Enable to import downloaded music from Music App - Mixed audio can play and share from Library menu - Volume range: 0 ~ 100% - Pan range: -1.0 ~ 1.0 - Playback rate range: x0.5 ~ x3.0 - Pitch rate range: -2 oct ~ 2 oct (Changed by semitone) - Metronome - Import an audio file from other apps by share action (Supported files: wav, mp3, mp4, m4a, aifc, aiff, aac, caf) iOS 11 is recommended!! For iOS 11, changed volume, pan, speed and pitch for each track is preserved when mixing. If you have requests for more features or suggestions to make improvements, just write a review. I will do my best!
Screenshots
Verdict
The clearest difference is rating: MTR at 3.6 against 4 Tracks LX's 2.2. MTR also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 5 months). 4 Tracks LX's advantage is review sentiment (44% vs 31%). 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. 4 Tracks LX sells 1 one-off in-app purchase. MTR asks for nothing beyond the download.
MTR holds the better App Store score, 3.6 against 2.2. Both are backed by a comparable volume of ratings — 10 and 39 respectively. Written reviews complicate that: 44% of 4 Tracks LX's written reviews are positive against 31% of MTR's, so the app with the better star average is not the one people write more warmly about.
4 Tracks LX ships an update every 5 months, MTR every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | 4 Tracks LX | MTR |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (10 ratings) | 3.6 (39 ratings) — better |
| Positive reviews | 43.8% of reviews — better | 30.7% of reviews |
| Number of ratings | 10 | 39 — better |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 10.3 — better |
| Further details — not scored | ||
| Size | 20 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | LittleCodeShop.com | Nobutaka Yuasa |
Customer experience
4 Tracks LX
MTR
In-app purchases
4 Tracks LX
- Essential tools$7.99
MTR
No in-app purchases







