Chordjam vs midiDREAMs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chordjam
This app generates unique chord and progression patterns using randomized parameters. It supports MPE for polyphonic gliding chords and can feed any MIDI-compatible synth or sampler. It's a real-time compositional assistant for creating complex musical structures.
- User-guided randomization for chords and progressions
- Variety of scale, chord, voicing, rhythm, and progression types
- MPE support for polyphonic gliding chords
- Real-time compositional assistant
- MIDI output via WiFi or cable
- Ableton Link sync
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Chordjam is an innovative MIDI plugin that builds chords and progression patterns through intuitive user-guided randomization. Choose from a variety of scale types, Chord types, voicing parameters, rhythms and progressions or have its powerful sequencer conjure up unlimited progression patterns for you, based on any combination of settings, serving up unpredictable but always-musical variations. Create unique and complex chord structures and infinitely evolving progressions. Chordjam now supports MPE technology (MIDI Polyphonic Expression) to deliver polyphonic portamento/gliding chords which allows you to bend from any chord to any chord, both in real-time chord triggering or using the sequencer’s progression patterns. Chordjam is the ultimate real-time compositional assistant for iPad. Designed to feed any Synth, Sampler and anything that accepts MIDI signal both software and hardware. Featuring MIDI output support over WiFi or MIDI cable. Chordjam also supports Ableton Link for tight sync between apps on the same network.
midiDREAMs
This app is a powerful MIDI sequencer plugin for iOS music production. It allows users to create complex musical patterns with up to 64 steps and offers detailed control over pitch, velocity, and timing. It also includes a separate drum sequencer for beat creation.
- MIDI AUv3 sequencer plugin
- Up to 64 steps per pattern
- 16 virtual sliders for parameter control
- Ratcheting and probability features
- Separate x0x-style drum sequencer (midiDRUMs)
- Works with AUM, Audiobus, and other hosts
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midiDREAMs is a MIDI AUv3 sequencer plugin designed to work like a classic analog-style modular sequencer with 16 virtual sliders and up to 64 steps per pattern. It requires a music app host that supports MIDI AUv3 plugins such as AUM, Audiobus, Loopy Pro, Cubasis, ApeMatrix, etc, and runs within those host apps. You can use it to sequence synth apps running on your iPad or external hardware synthesizers connected with MIDI. Also included is midiDRUMs, a second MIDI AUv3 that is an x0x-grid style drum sequencer. This plugin should be used in host apps such as AUM, AudioBus, etc to sequence drum plugins and external drum machines. midiDREAMs features: MIDI AUv3 sequencer plugin that sends MIDI notes to your favorite app or hardware synth Works with AudioBus, AUM, ApeMatrix, Cubasis and other MIDI AUv3 host apps Up to 64 steps per pattern, with 16 patterns 16 virtual sliders control pitch, velocity, note length, probability 16 buttons each for gate on/off, skip step, last step, pattern Control note speed, sequence direction, set maj/min key and octave, re-sync Ratcheting with 2, 3 or 4 sub-steps per step, also probability based ratcheting per step Unlock pitch / vel / len / prob sequencers to run independently Extensive AU parameter control midiDRUMs features: MIDI AUv3 drum sequencer plugin that sends MIDI notes to your favorite drum app or hardware drum machine Works with AudioBus, AUM, ApeMatrix, Cubasis and other MIDI AUv3 host apps Up to 64 steps per pattern, with 16 patterns 8 parts, set triggers with a 16x8 grid Set velocity and probability per part, per step with 16 virtual sliders Customize kit to send different MIDI note numbers, and even on different MIDI channels AU parameter control
Verdict
The clearest difference is review sentiment: midiDREAMs at 100% against Chordjam's 50%. midiDREAMs also leads on rating (5.0 vs 4.3) and update cadence (every 3 weeks vs every 4 months). Chordjam's advantage is ratings volume (27 vs 6). On price, ads, in-app purchases 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
Chordjam costs $9.99 and midiDREAMs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
midiDREAMs holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 27 and 6 respectively. Written reviews point the same way: 50% of Chordjam's written reviews are positive against 100% of midiDREAMs's.
Chordjam ships an update every 4 months, midiDREAMs every 3 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | Chordjam | midiDREAMs |
|---|---|---|
| Price | $9.99 | $9.99 |
| Rating | 4.3 (27 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 27 — better | 6 |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPad | iPad |
| Requires iOS | 12.0 — better | 12.4 |
| Further details — not scored | ||
| Size | 19 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | AUDIOMODERN | Arthur Kerns |
Customer experience
Chordjam
midiDREAMs
In-app purchases
Chordjam
No in-app purchases
midiDREAMs
No in-app purchases


