StemScriber vs Deconpose
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StemScriber
This music app isolates individual instruments from songs, allowing users to slow down playback without altering pitch. It also provides chord charts and a built-in tuner to aid in learning and practicing music.
- Isolate any instrument
- Slow down tempo without pitch change
- Generate chord charts
- Built-in tuner and fretboard
- Practice music by ear
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Learn any song the way you actually practice it. StemScriber pulls a song apart into its separate instruments so you can hear exactly what you're trying to play — then slows it down so you can keep up. What it does: • Isolate any instrument — mute the vocals and band, solo just the guitar (or bass, drums, piano, vocals). Finally hear the part that was buried in the mix. • Slow it down — drop the tempo without the pitch turning to chipmunks. Sit with a fast riff at half speed until it's under your fingers. • See the chords — a chord chart is generated for the song so you can follow the changes while you play. • Tuner + fretboard — built-in, free, no sign-up. Made for the way musicians really learn — by ear, slowed down, one part at a time. Whether you're working up a cover, learning a solo, or figuring out a bass line, StemScriber gets you from hearing it to playing it faster. Use it with music you own or have the rights to. Chord detection is a strong starting point, not a perfect transcription — it gets you playing fast, and you can trust your ears for the rest. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://stemscriber.com/privacy.html
Deconpose
This app uses AI to separate any song into its individual instruments, allowing you to mute parts, solo instruments, and practice at your own pace. It works offline and offers features like karaoke and adjustable playback speed.
- Instrument separation (vocals, drums, bass, guitar, piano)
- Mute instrument and play along
- Solo individual instruments
- Adjustable playback speed and pitch
- Looping and bookmarking
- Offline AI processing
- Karaoke and backing tracks
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Deconpose splits any song into its individual instruments — vocals, drums, bass, guitar, piano, and more — right on your iPhone or iPad. Mute the part you play and jam with the real band, or solo a single instrument to hear exactly what it plays. No uploads, no account, no subscription. PRACTICE WITH REAL RECORDINGS - Mute your instrument and play along with the original recording - Solo any stem to learn a part note by note - Set each stem's volume with its own channel fader - One-tap presets: Guitar Practice, Bass Practice, Drumless, Karaoke, Vocals Only, Full Mix INSTANT KARAOKE & BACKING TRACKS - Mute the vocals in any song and sing with the original band - Deconpose plays the music — it doesn't display song lyrics - Or solo the vocals to study a melody or practice your singing LEARN AT YOUR OWN PACE - Slow playback down to 0.25x or speed it up to 2x — without changing the pitch - Transpose up or down 12 semitones to match your tuning or vocal range - Loop difficult sections with draggable A-B markers - Drop bookmarks for intro, verse, chorus, solo, and outro - Built-in metronome with BPM display and tap tempo 100% ON-DEVICE AI - State-of-the-art neural network runs entirely on your device - Six-stem separation: vocals, drums, bass, guitar, piano, other - Works completely offline — your music never leaves your device - No account, no sign-up, no tracking YOUR PRACTICE LIBRARY - All your separated songs in one place, with artwork, search, and sorting - Storage overview shows how much space each song uses FREE TO START — NO SUBSCRIPTION - Separate one complete song for free — no time limit, with full playback - Deconpose Premium unlocks unlimited separations and stem export (WAV or M4A) - One single purchase, yours forever — no subscription WORKS WITH MUSIC YOU OWN - Import audio files from the Files app, or DRM-free songs from your music library - Streaming-only songs (Apple Music, Spotify) are copy-protected by those services and can't be imported by any app - Supported formats: MP3, WAV, M4A, AIFF, FLAC, CAF - Deconpose works with music you own as audio files. Songs streamed from Apple Music or Spotify are copy-protected and can't be imported by any app. Whether you're learning guitar, working out bass lines, drumming along, transcribing a solo, or hosting karaoke night — Deconpose turns every song you own into your personal backing band.
Screenshots
Verdict
The clearest difference is update cadence: StemScriber at weekly against Deconpose's fortnightly. StemScriber also leads on iOS requirement (15.0 vs 26.0). On price, rating, ratings volume 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
Both are free to download. StemScriber sells 3 in-app purchases, starting at $9.99 per month and Deconpose sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for StemScriber against 5.0 for Deconpose. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
StemScriber ships an update weekly, Deconpose fortnightly. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.
| Parameter | StemScriber | Deconpose |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 119 MB | 204 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeffrey Kozelski | Ardian Ibrahimaj |
Customer experience
StemScriber
Deconpose
In-app purchases
StemScriber
- Pro Monthly$9.991 Month
- Pro Annual$89.991 Year
- StemScriber Lifetime$199.99
Deconpose
- Deconpose Premium$12.99









