JamEngine vs RiffAlly Jam

JamEngine is a real-time music generation app that puts a full backing band in your pocket. Choose from 15 musical styles, pick your key and tempo, and JamEngine instantly creates authentic, genre-appropriate arrangements, complete with MIDI drums, bass, guitar, piano, brass, and woodwind instruments. Whether you're a guitarist looking for a rhythm section to practice over, a songwriter sketching out chord progressions, a jazz player working on improvisation, or a producer hunting for inspiration, JamEngine gives you a responsive, endlessly variable musical companion. 15 STYLES TO CHOOSE FROM Rock · Hard Rock · Classic Rock · Metal · Pop · Ballad · Blues · Slow Blues · Jazz Swing · Jazz Ballad · Funk · Bossa Nova · Reggae · Country · Lo-fi Each style comes with genre-authentic drum patterns, bass lines, guitar voicings, keyboard parts, and horn arrangements. 12 INSTRUMENTS Build your arrangement from a roster of 12 instruments, each with realistic General MIDI sounds: • Drums · Bass · Electric Guitar · Acoustic Guitar • Piano · Organ · Strings • Trumpet · Trombone · Alto Sax · Tenor Sax · Clarinet Mix and match any combination. Each instrument has independent volume, mute, solo, pan, density and 11 variation levels to control the complexity and character of its part. SMART CHORD PROGRESSIONS Build chord progressions using the grid editor or the interactive Circle of Fifths, a visual tool that highlights diatonic chords in your selected key, so you can see at a glance which chords belong together. Start from scratch, or load one of the built-in templates: I-IV-V, I-V-vi-IV, ii-V-I, 12-Bar Blues, Jazz Turnaround, and more. Choose from 18 chord types including major, minor, seventh, diminished, augmented, sus, and extended chords. FLEXIBLE TIME & KEY Play in any of 7 time signatures, 2/4, 3/4, 4/4, 5/4, 6/8, 7/8, and 12/8, with BPM from 40 to 300. Tap tempo to match a song. Select any of the 12 keys in major or minor. Change key mid-session and your chord progression transposes automatically to preserve harmonic relationships. VARIATION RANDOMIZER Enable the variation randomizer and JamEngine will shuffle instrument variations at musically appropriate boundaries, every 4 or 8 bars, keeping your practice sessions fresh and unpredictable without you lifting a finger. EXPORT YOUR SESSIONS Capture your jam as a WAV, M4A, or multitrack MIDI file. Use export to bring your arrangements into your DAW for further production. SONGBOOK Save your favorite sessions, style, key, tempo, chord progression, and instrument setup to your personal Songbook. Load them instantly to pick up where you left off. CUSTOM SOUNDFONTS Import your own SF2 SoundFont files to customize the sound of every instrument. FREE TO START, PRO TO UNLOCK EVERYTHING JamEngine is free with 4 styles (Rock, Metal, Jazz Swing, Lo-fi), 3 song saves, and all playback features. Upgrade to JamEngine Pro for a one-time purchase to unlock all 15 styles, unlimited song saves, and full export capabilities.

Solo with a band. See the scale. Follow the chords. RiffAlly Jam is a guitar practice companion for improvisation, solos and chord changes. An on-device drums-and-bass backing band plays your progression while the live chord display and fretboard guide help you find your next phrase. START WITH FOUR ORIGINAL PROGRESSIONS • Choose Open Road, Minor Horizon, Soul Return or Dorian Pocket • Choose your practice key once and keep it when switching progressions • Edit individual chord roots and types, or reorder the four chords • Each progression loads its own tempo while preserving your band settings • Search by name or feel and make each progression your own SOLO WITH A VISUAL GUIDE • See the current chord and fretboard guide together during normal playback; larger text remains scrollable • Follow the scale pattern, current chord root and other chord tones as the band plays • Swipe the neck from open strings through fret 24, even while playing • Choose Dark Ebony, Maple or Walnut fretboard finishes SHAPE YOUR BACKING BAND • Choose from 14 rhythm styles, including Classic Rock, Dirty Rock, Blues Shuffle, Tight Funk, Jazz Swing and Bossa Nova • Pick Rock, Jazz or Vintage Brushes acoustic drums and Clean Finger, Clean Pick or Upright bass • All instrument sounds are included for offline practice; accompaniment is drums and bass, not recorded songs or guitar parts • Let each chord last one, two or four bars • Start with a count-in, then mute or rebalance drums and bass without stopping KEEP YOUR SETUPS Save jams locally and return to their keys, tempos, sounds and custom chords. In-app Help explains the controls and guide. Saved jams based on presets removed in version 1.1.1 are hidden, but their data remains on the device. PRIVATE BY DESIGN Music practice works offline, with no account or advertising. Jam collects no data. Optional tips and online support links require an internet connection; tips unlock no features and are never required.