OSE vs Drum Lab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OSE
A pocket-sized toolkit for musicians featuring a multi-touch synth, MIDI recorder, piano roll editor, tuner, metronome, and audio tools. It complements desktop Digital Audio Workstations with professional-grade DSP effects and editing capabilities.
- Expressive multi-touch synth with DSP effects
- MIDI recorder and piano roll editor
- Chromatic tuner with reference tones
- Metronome with savable presets
- Audio recorder with real-time effects
- Audio editor with restoration tools
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Not a toy. Music tools that work. OSE (Outhentic Sound Engine) is an instrument and toolkit for people who play. Synth, recorder, piano roll, metronome, tuner — eight focused tools that fit in your pocket and complement the desktop DAW you already use, rather than replace it. Everything runs on your device. PLAY • Expressive multi-touch synth with a real DSP chain — filters, envelopes and effects you hear live. • 140+ instruments and presets across keys, bass, pads, leads, plucks, drums and more. • Drum-pad, piano and split/layer layouts. • USB and Bluetooth MIDI keyboards. RECORD & EDIT • Record your playing as MIDI and arrange it in a piano-roll editor — move, quantize, transpose and edit velocity. • Audio recorder with a real-time effects monitor: hear your effects while you play. • Audio editor with restoration tools — declick, declip, denoise, normalize — plus cut, fade, speed and pitch. PRACTICE & MEASURE • Chromatic tuner — fast and accurate, with reference tones. • Metronome with simple and complex meters, subdivisions and savable presets. • Signal generator — sine and other waveforms, sweeps and a built-in timer. • Sound-level meters — SPL, FFT spectrum, spectrogram and peak hold. THE EIGHT TOOLS Synth · Recorder · Piano roll · Tuner · Metronome · Signal generator · Meters · Audio editor
Drum Lab
Practice with professionally recorded drum loops from various genres. Adjust tempo, loop sections, and utilize practice modes to improve your timing and feel. Export your work with studio effects for use in your own music.
- Professionally recorded drum loops
- Tempo adjustment without pitch change
- Practice Mode with tempo progression
- Built-in metronome
- Offline loop downloads
- Studio effects (Tape, Echo, Reverb)
- Export loops as WAV files
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Practice with real drums, not a drum machine. Drum Lab is a library of original, professionally recorded drum loops. Built for musicians who want to practice, play along, and get better, not just listen. Every loop is a real performance, seamlessly looped, organized by feel so you can find exactly the groove you need. Browse jazz, funk, R&B and hip hop, rock and pop, world rhythms grouped by region (Brazilian, Latin, African and more), and odd meters grouped by time signature. Tap a loop and it locks in at its tempo instantly - no setup, no syncing, just drums. **Built for practice, not just playback** - Slow a groove down or speed it up, from 0.5× to 1.5×, without changing its pitch - Tap the BPM to type an exact tempo - Loop just the bars you're working on, snapped to the bar lines - Practice Mode gradually raises the tempo as you play - +5 BPM every 4 bars by default, and you set the step and how often - Built-in metronome locked to each loop's grid, in quarter, eighth or sixteenth notes, or on beat 1 only - Optional two-bar count-in before the loop starts - Download loops for offline practice anywhere - no connection needed - Save favorites and build your own practice playlists - Light and dark mode **Producer Mode: make it sound like a record** - Tape, Punch, Echo and Reverb in a rack of classic studio gear - Start from a ready-made tape, or dial in your own sound and save it - Echo locks to the loop's tempo, and Blend sets how much of the effects you hear - Bounce (Pro): export exactly what you hear as a WAV that loops seamlessly in any DAW **Try it free** Pick 3 loops to keep, free forever, full length, with tempo control and Practice Mode. Every other loop plays a 10-second preview, so you can hear the whole library first. Unlock Drum Lab Pro with a one-time payment for every loop, every practice feature, Bounce, and the original WAV files to export, royalty-free, into your own music - no subscription, ever. Whether you're working on your time, your feel, or just want something real to play along to, Drum Lab gives you drums that sound like a drummer, because they are one.
Screenshots
Verdict
The clearest difference is in-app purchases: OSE at none against Drum Lab's 1. Drum Lab's advantage is ads (none vs shown) and update cadence (every 6 days vs every 3 weeks). On price, rating, ratings volume and monetization model 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. Drum Lab sells 1 one-off in-app purchase. OSE asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for OSE against 5.0 for Drum Lab. Both are backed by a comparable volume of ratings — 7 and 19 respectively.
OSE ships an update every 3 weeks, Drum Lab every 6 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | OSE | Drum Lab |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (7 ratings) | 5.0 (19 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 7 | 19 — better |
| Update frequency | Every 3 weeks | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 81 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Outhentic EOOD | ALON BENJAMINI |
Customer experience
OSE
Drum Lab
In-app purchases
OSE
No in-app purchases
Drum Lab
- Drum Lab Pro$9.99









