Stemulator vs ChordPond
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stemulator
This app uses advanced audio separation models to extract individual elements from any song with studio-quality precision. It offers modes for producers to download stems and for musicians to play along with real-time mixing and chord mapping.
- Extract up to 18 stems per track
- Producers Mode for stem downloads
- Musicians Mode for real-time mixing
- Generate MIDI chord maps
- Real-time chord mapping and waterfall MIDI piano
- Supports major audio formats for import and export
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Stemulator is the ultimate stem separation app for producers, musicians, DJs, and audio enthusiasts. Using advanced audio separation models, Stemulator extracts individual elements from any song with studio-quality precision. SEPARATE UP TO 18 STEMS PER TRACK • Vocals: Lead Vocal, Backing Vocal • Rhythm: Drums, Bass, Drumless • Drums: Kick, Snare, Hi-Hat, Toms, Cymbals • Instruments: Piano, Guitar, Strings, Keys/Synths, Winds, Ensemble • Full Mix: Instrumental • MIDI Chord Map TWO POWERFUL MODES Producers Mode — Download every stem for your projects: • Download separated stems in WAV, AIFF, or MP3 • Separate drums into Kick, Snare, Hi-Hat, Toms & Cymbals • Isolate instruments: Piano, Guitar, Strings, Keys/Synths, Winds • Separate vocals into Lead & Backing • Generate MIDI chord maps from any track Musicians Mode — A full DAW-style mixer for playing along: • Mute, solo & mix individual stems in real time • Adjust key & tempo with studio-quality pitch shifting • Real-time chord mapping & waterfall MIDI piano synced to playback • Real-time tabs for guitar, piano, & bass • Real-time capo recommendations for guitarists • Beat loop — 4, 8, 16, 32 or 64 beats, quantized to the beat grid • Synced metronome with multiple click sounds • Export chord charts as PDF or MIDI files • Export your custom mix as WAV, AIFF, or MP3 REAL-TIME CHORD MAPPING Stemulator analyzes the harmonic progression of your track and maps out every chord change—synced to playback in real time. Follow along as you play, export as a printable PDF chord chart, or download as a MIDI file for your DAW. STUDIO QUALITY OUTPUT Stemulator delivers the most advanced audio separation available — professional-grade stems with unmatched clarity and precision. Whether you're creating remixes, practicing along with isolated instruments, or producing new tracks, you'll get clean, artifact-free stems ready for your workflow. SUPPORTS ALL MAJOR FORMATS Import your music in WAV, AIFF, MP3, FLAC, M4A, or OGG format. Export your separated stems in high-quality WAV, AIFF, or MP3 for maximum flexibility in your DAW or audio editor. PERFECT FOR: • Producers – Sample and remix with clean, separated elements • Musicians – Mix stems, transpose key & tempo, follow chord maps • DJs – Create unique mashups and transitions • Karaoke – Remove vocals from any song instantly • Educators – Isolate specific parts for music lessons • Transcribers – Hear individual instruments clearly FOUR FLEXIBLE PLANS Free: Try Stemulator with 3 free stem separations Professional: 10 Stemulations per month, 5-stem separation Studio: Unlimited Stemulations, studio quality, 6-stem separation + Drumless, chord map generation & PDF export Audiophile: Full access to all 18 stems including individual drum separation, vocal separation, instrument isolation, MIDI chord export & real-time chord mapping HOW IT WORKS 1. Upload any song from your library 2. Choose Musicians or Producers mode 3. Stemulate your audio 4. Mix, play along, or download your stems Whether you're isolating a guitar solo to learn, removing vocals for karaoke night, transposing a song to your key, or extracting drums for your next production, Stemulator makes professional stem separation accessible to everyone. Download Stemulator today and unlock the individual elements hidden in your favorite music. Terms of Use: https://stemulator.app/terms.html
ChordPond
This music creation tool lets you visualize chord progressions as paths on a canvas. Connect chord tiles, experiment with various modes, and instantly hear your compositions through a built-in synth or by routing MIDI to other instruments and DAWs.
- Visual chord tiles on a freeform canvas
- Built-in AUv3 Synth
- Load and play AUv3 instruments
- Scale-aware chords and inversions
- Chord modes (Hold, Stutter, Arp, etc.)
- Scene Automation for song arrangements
- MIDI export and Ableton Link sync
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CHORDPOND - Visual Chord-Tile Sequencer CHORDPOND is a visual MIDI composition tool for iPad and iPhone where chord progressions become paths through chord tiles. Drop chords onto a canvas, connect them with paths, hit play, and hear them instantly through the built-in Frog Synth - or route MIDI to your favorite AUv3 instruments, external synths, or DAW. Built for songwriters, producers, performers, and curious explorers, ChordPond turns harmony into something you can see, touch, and rearrange in seconds. Key Features: - Visual chord tiles on a freeform canvas - Built-in AUv3 Synth for instant sound - Load and play AUv3 instruments directly inside ChordPond - Scale-aware chords, tensions, inversions, and bass control - Hold, Stutter, Arp, Roll, Motif, and Random chord modes - Draw paths between chords with per-node duration, gate, and ratchet settings - Scene Automation for building complete song arrangements - Multiple scenes per project - 20+ scales including modal, jazz, world, and experimental scales - Per-note probability, velocity, micro-timing, and ratchets - MIDI export - Ableton Link sync - AUv3 MIDI plugin for Logic Pro, AUM, Cubasis, Loopy Pro, and more - CoreMIDI support for external instruments - Shared projects between standalone and AUv3 versions - Designed for iPhone, iPad, and Mac (Catalyst) Designed for ideas. Built for progression.
Screenshots
Verdict
The clearest difference is price: Stemulator at Free against ChordPond's $3.99. Stemulator also leads on review sentiment (94% vs 67%) and device support (4 vs 2). ChordPond's advantage is in-app purchases (none vs 8) and rating (4.9 vs 4.7). On ratings volume, update cadence and ads 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
Stemulator is free to download; ChordPond costs $3.99 up front. Stemulator sells 8 in-app purchases, starting at $4.99 per month. ChordPond asks for nothing beyond the download.
ChordPond holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 14 and 7 respectively. Written reviews complicate that: 94% of Stemulator's written reviews are positive against 67% of ChordPond's, so the app with the better star average is not the one people write more warmly about.
Stemulator ships an update every 9 days, ChordPond weekly. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.
| Parameter | Stemulator | ChordPond |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 4.7 (14 ratings) | 4.9 (7 ratings) — better |
| Positive reviews | 94.4% of reviews — better | 66.7% of reviews |
| Number of ratings | 14 — better | 7 |
| Update frequency | Every 9 days | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #179 — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 60 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Stemulator LLC | Steffen Mølgaard Larsen |
Customer experience
Stemulator
ChordPond
In-app purchases
Stemulator
- Professional$4.991 Month
- Studio$9.991 Month
- Audiophile$19.991 Month
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- Production$29.991 Month
- Professional (Annual)$39.001 Year
- Studio (Annual)$79.001 Year
- Audiophile (Annual)$149.001 Year
- Production (Annual)$249.001 Year
ChordPond
No in-app purchases









