DoomLoop vs Brusmaskin
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
DoomLoop
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DOOM LOOP is a stem-based loop machine built from the Doom Cougar catalog. Seven channels β kick, bass, snare, hats, acid, perc, and FX β each loaded with eight loops pulled from real Doom Cougar tracks. Tap a pad to bring that loop in. Tap another to swap it out on the next bar. Everything stays at 138 BPM. Everything stays in time. There is no beat-matching, no syncing, no waveforms to wrestle with. The tempo is fixed. The bars are fixed. The loops swap clean. WHAT'S IN IT - 56 loops from the Doom Cougar catalog β Crease, Creature, Hematoma, Mothers Milk, Parlor Floor, Savage Wit, Shag Chain, Yule, and more - 7 channels β one loop at a time per channel, plus a one-shot FX channel for stabs and vocal hits - 138 BPM master tempo with every stem pitched to match - 3-band EQ on every channel β low, mid, high - Independent volume on every channel - Per-channel lock β protect a loop you like before randomizing - Random β roll the dice on every unlocked channel, queued to the next bar - Bar / beat indicator with 4-LED beat readout HOW IT WORKS Tap a pad to load that loop. If a channel is already playing, the new pick is queued β it swaps in clean on the next downbeat. No bumps. No dropouts. No drift. Lock the channels you want to keep. Randomize the rest. Walk a track from a stripped-down kick-and-acid groove into a full mix and back without touching the play button. This is Doom Cougar's catalog, taken apart and handed back to you. Build new tracks. Wreck old ones. Nothing here gets out of time. 138 BPM. 7 channels. 56 stems. One bar at a time.
Brusmaskin
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Brusmaskin is a pocket groovebox β an 8-track synthesizer, sampler and sequencer for making complete tracks wherever you are. SEVEN SOUND ENGINES FM synthesis with a subtractive filter stage, a raw mono synth with drive and wavefolding, a lush 7-voice supersaw, a dedicated drum synth with FM percussion, filtered noise and attack transients, a plucked string (KarplusβStrong) with a pick that changes every note, and GRAIN β a granular engine that plays any sample as a cloud. Plus a sampler with stereo samples, slicing, key-mapped chopping, non-destructive trim and a start offset for ghost notes. The same audio plays both ways β sampler or cloud β with zero copies. RESAMPLE YOURSELF Capture any track with one button β it keeps playing while the recording runs through its own private effects, so the take carries the filter, the drive and the track's own reverb and delay tail, in stereo. Then listen and choose what it becomes: a sample, a grain cloud sliced on the hits, or a playable kit where each note is one hit. Or record from the microphone, or GRAB the last 30 seconds of the master β the take you just played but forgot to record is still there. DEEP MODULATION Three envelopes and three LFOs per sound, each with three freely routable destinations β and every target lives on every engine. Vibrato on a sample, a moving noise filter on a drum, an LFO that rechops a break on every note, an envelope that scrubs a grain cloud through a field recording. HOLD, CURVE and END floors turn envelopes into drones. DEEP STEP SEQUENCING Per-step trig conditions, probability, ratchets with pitch rolls, swing, and patterns up to 128 steps with independent speed and length. An arpeggiator with chord pools, inversions and free-run mode. Sound locks put a different sound on any step, and per-step parameter offsets shape your sounds over time. SONGS, NOT JUST LOOPS Chain patterns into parts, phrases and full songs. Perform live in the performance view, mix with per-track faders, and glue everything together with chorus, delay and a rich plate reverb. Sidechain ducking built in. HANDS ON MIDI learn maps any knob, fader or button on your controller to sounds, mixer faders, mutes and solos β with soft takeover so nothing jumps. 576 factory presets cover every engine, and an INIT patch per engine gives you a clean starting point when you want to build from scratch. YOURS Projects and sample banks are stored in iCloud Drive as plain files you can see and back up. Scale-aware note entry, a built-in browser of vintage drum machine sample packs, and video import that pulls the audio straight out of a screen recording. No account, no subscription, and everything works completely offline.
Screenshots
Verdict
The clearest difference is update cadence: Brusmaskin at every 3 days against DoomLoop's every 6 days. DoomLoop's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DoomLoop ships an update every 6 days, Brusmaskin every 3 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.
| Parameter | DoomLoop | Brusmaskin |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days | Every 3 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 4 MB | 22 MB |
| Age rating | 17+ | 4+ |
| Developer | Ryan Ebner | Mattias Ahlstrom |
In-app purchases
DoomLoop
No in-app purchases
Brusmaskin
No in-app purchases








