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 individual instrument tracks — vocals, drums, bass, guitar, piano — directly on your device. No uploads, no account, and the separation needs no internet. PRACTICE ANY INSTRUMENT - Mute the guitar and play along with the real band - Remove vocals for karaoke or vocal practice - Isolate drums to learn complex rhythms - One-tap presets: Guitar Practice, Drumless, Karaoke & more LEARN AT YOUR PACE - Slow down to 0.5x without changing pitch - Shift pitch up or down 12 semitones - Loop any section with draggable A-B markers - Hold a finger on the waveform to zoom in and place loop points precisely - Skip forward and back 10 seconds - Open any song with Siri or from Spotlight: "Open ‹song› in Deconpose" TEMPO, KEY AND BARS (iOS 27) - Tempo and key detected automatically after separation - Both are shown where you are in the song: when the tempo or the key changes, the display follows — and the key follows the pitch control - The metronome clicks on the song's real beats, loops snap to the bar, and the count-in lands on the one - The song's sections appear under the waveform: tap one and exactly that part loops - On iOS 26: tap the tempo yourself POWERED BY AI - State-of-the-art neural network running on your device - 6-stem separation: vocals, drums, bass, guitar, piano, and other - Keeps separating while your iPhone is locked, with progress on the Lock Screen - All processing happens on your iPhone or iPad — your music never leaves your device PRIVACY FIRST - Separation works 100% offline; the internet is only used for the optional song search and for purchases, both with Apple - No account, no sign-up, no tracking - Your music stays on your device FREE TO START - Your first song is completely free — split it and practice with no time limit - On that song: every tool included — solo, mute, slow down, pitch shift, loop - One-time purchase to split unlimited songs and export stems — no subscription WORKS WITH MUSIC YOU OWN - Import audio files from Files, share them to Deconpose from any app, or pick DRM-free downloads from your Music library - Find songs to buy in the iTunes Store (optional search) - 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 SUPPORTED FORMATS MP3, WAV, M4A, AIFF, FLAC, CAF
Screenshots
Verdict
The clearest difference is iOS requirement: StemScriber at 15.0 against Deconpose's 26.0. On price, rating, review sentiment and ratings volume 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 — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
StemScriber ships an update weekly, Deconpose fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | StemScriber | Deconpose |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 2 — better | 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 | 121 MB | 205 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









