mpump vs Redrum

mpump is a browser drum machine, groovebox, and step sequencer for creating beats and sharing them as links. Someone opening a shared link can change the groove and send a revised version. The browser tool includes drums, bass, synth, a mixer, and effects with real-time synthesis, as well as patterns, arpeggiators, and Euclidean rhythms. It supports MIDI clock synchronization and an Ableton Link bridge for use with Ableton Live, Logic Pro, Bitwig, Traktor, djay, and other Link-enabled apps. Recordings can be saved as WAV, and sessions can be imported or exported as JSON. The PWA works offline after its first load. Live Jam supports up to 4 peers, and Live Set supports up to 49 listeners; both are opt-in and currently need a user-provided relay because the public hosted relay is offline. The maker says there are no accounts or personal tracking and music stays on the user's device. mpump is free on Android, iOS, and the web, with source code under AGPL-3.0.

Redrum is Reason’s pattern-based drum machine, with a drum-computer design inspired by classic 1980s machines. Its 10 stereo channels load, edit and play samples, either from users’ own collections or from included preset kits. The sequencer provides 32 patterns across four banks, with up to 64 steps per pattern. Redrum can play its own patterns, be triggered from Reason’s main sequencer or receive MIDI. For routing and control, it has individual audio and gate outputs, plus gate and CV inputs. Redrum is included in Reason 14 and the Reason subscription. Reason Rack is offered as a VST3, AU and AAX plugin and is described as compatible with major DAWs. Reason itself runs only on Mac and Windows computers. Listed plans include Reason Rack 14 at €159, paid once and Reason 14 at €239, paid once. Reason+ is billed annually and includes a free 7-day trial, but its annual price is not displayed.