# OffgridStem — Vocal Remover & Stem Splitter > Vocal Remover & Stem Splitter (iPhone/iPad app by Tsz Fung Choi.) - Source: https://appshunter.io/ios/app/offgridstem/id6788856619 (this page in markdown: same URL + `.md`) - Developer: [Tsz Fung Choi](https://appshunter.io/developer/1815288255) - Category: Music, Utilities - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 17.6 · 102 MB - Languages: American English - Released: 2026-07-20 - Data updated: 2026-08-28 - User reviews in markdown: https://appshunter.io/ios/app/offgridstem/id6788856619/reviews.md ## What is OffgridStem? Deconstruct your music with the ultimate on-device AI. OffgridStem is a professional-grade, 100% offline audio separation tool tailored for musicians, DJs, vocalists, and content creators. Powered by Apple’s Neural Engine, OffgridStem processes everything locally on your iPhone. No cloud queues, no internet required, and 100% copyright privacy for your tracks. 【KEY FEATURES】 • 4-Stem AI Separation: Split any audio track into Vocals, Drums, Bass, and Instruments with pristine clarity. • Video Audio Extraction: Import MP4/MOV videos straight from your Photos app and extract audio automatically. • Visual Mixer & Waveforms: Beautiful, responsive waveform displays for each stem with high-precision Mute, Solo, and Volume sliders. • Pitch & Tempo Control: Shift keys or change BPM seamlessly without sacrificing audio quality—perfect for practice and mashups. • Lossless Export: Save your stems as high-quality WAV, M4A, or MP3 files. Ready for Logic Pro, Ableton, or your DJ deck. 【WHY OffgridStem?】 • 100% Private & Secure: Runs fully offline. Your music never leaves your device. • No Subscriptions: Say goodbye to monthly fees. One-time purchase, lifetime professional AI access. • Advanced Stability: Built-in background protection for seamless processing. Download OffgridStem today and unlock the elements of your sound! ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | StemCraft Pro Lifetime | $24.99 | one-time | ## Version history (last 5 releases) ### 1.1.0 — 2026-08-17 NEW: Exports Library Every mixdown you export is now saved automatically — find and replay it anytime from the new Exports tab. NEW: Live Reactive Waveform Player Watch your music move in real time. Choose from 14 visual styles — Bars, Neon Glow, Glass, Siri-style Fluid, Circular, Retro EQ, Cassette, and more — plus 4 color themes, with punchy spring-physics motion and optional haptic feedback on the beat. NEW: Fullscreen Landscape Mode Turn your phone sideways for an immersive, edge-to-edge visualizer. IMPROVED: Redesigned home screen with clearer navigation to your Stem Library and Exports. Thanks for using OffgridStem — 100% on-device, no ads, no subscriptions. ### 1.0.3 — 2026-07-31 Welcome to OffgridStem. Split any song into 4 stems — vocals, drums, bass, and other instruments — entirely on your iPhone. No uploads, no waiting in a queue, nothing ever leaves your device. • 100% on-device AI separation powered by Core ML • Import audio files, or extract audio straight from a video • Independently adjust pitch and speed after separation • Export lossless WAV stems, or a custom remixed-down track • Your first song is always free to try — no subscription, ever ### 1.0.2 — 2026-07-28 • Removed all third-party ads — OffgridStem is now completely ad-free • Performance and stability improvements As always, every separation happens entirely on your device. Nothing is ever uploaded. ### 1.0.1 — 2026-07-23 StemCraft is now OffgridStem Same app, same account, same privacy promise — just a new name that better reflects who we are: Offgrid Studio. What's changed: • New name: OffgridStem • New icon • Nothing else — your purchases, projects, and settings are untouched Why the change? As we grow our lineup of privacy-first apps, we're unifying everything under one clear naming system. More Offgrid apps are coming soon. Thank you for being here from the start. ### 1.0 — 2026-07-20 No release notes. ## More apps by Tsz Fung Choi - [Life in UK Practice Guide](https://appshunter.io/ios/app/life-in-uk-practice-guide/id6746279349) - [Crumb Smart Recipe Manager](https://appshunter.io/ios/app/crumb-smart-recipe-manager/id6785629693) - [PreciseSize](https://appshunter.io/ios/app/precisesize/id6787390598) - [OffgridScribe](https://appshunter.io/ios/app/offgridscribe/id6791752287) - [offgridvox](https://appshunter.io/ios/app/offgridvox/id6794031194) All apps by Tsz Fung Choi: https://appshunter.io/developer/1815288255 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*