Audio Spleeter Lite vs Niagara 4Valve Controller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Audio Spleeter Lite
This app separates music into vocal and instrumental tracks using AI and center channel extraction. It supports remixing, multiple audio sources, and various export formats, offering a convenient way to isolate and manipulate audio elements.
- Vocal and instrument separation
- AI-powered audio extraction
- Center channel extraction
- Remixing capabilities
- Multiple audio source support
- Export to various formats
- Built-in audio recorder
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Turn any song into vocals, instrumental, drums, bass, piano, and pitch to create your own remix—right on your iPhone or iPad. Audio Spleeter is an AI vocal remover, stem splitter, and remix tool designed for musicians, singers, DJs, dancers, karaoke fans, and music learners. Separate tracks directly on your device without uploading your audio to a server. No internet connection is required for stem separation. AI STEM SEPARATION • 2-Stem Separation Split a song into vocals and instrumental accompaniment. • 5-Stem Separation Separate vocals, drums, bass, piano, and other instruments. • Fast On-Device Processing Hardware-accelerated AI processing is available on supported devices for faster extraction and improved performance. CENTER CHANNEL EXTRACTION Choose from five center-channel extraction modes to remove or isolate vocals in compatible stereo recordings. This provides a fast alternative to AI separation when working with traditional center-mixed tracks. REMIX YOUR TRACKS • Adjust the volume of each stem independently • Mute individual vocals or instruments • Change playback speed from 0.5x to 2.0x • Shift pitch by semitones without changing speed • Preview changes while editing • Export your finished remix CREATE TRACKS FOR ANY PURPOSE • Remove vocals to create karaoke or backing tracks • Isolate vocals for acapella practice • Extract drums, bass, or piano for music study • Slow down difficult sections while practicing • Change the key to match your voice or instrument • Build custom mixes for rehearsals and performances IMPORT AUDIO YOUR WAY Import audio from: • Files and iCloud Drive • Your local audio library • Videos • Downloadable audio links • Built-in audio recording FLEXIBLE AUDIO EXPORT Export separated stems and remixes in popular formats, including: • AAC • M4A • MP3 • WAV • FLAC • AIFF EASY SHARING Share your audio through Files, iCloud Drive, Wi-Fi transfer, or other installed apps. PRIVATE, ON-DEVICE SEPARATION AI stem separation runs locally on your device. Your source audio does not need to be uploaded to a cloud processing service. Whether you want to make an instrumental track, isolate vocals, practice an instrument, change a song’s key or tempo, or create a custom remix, Audio Spleeter gives you the tools you need in one place. Terms of Use (EULA): http://www.iruomu.com/audiospleeter/termofuse.html Privacy: http://www.iruomu.com/audiospleeter/privacy.html
Niagara 4Valve Controller
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Advanced 4 Valve Drip Irrigation System Motor and valves can be operated anywhere from the world through mobile app or Web Application. It helps to deliver the right amount of water and nutrients at the right time automatically, so that each plant gets exactly what it needs when it needs to grow optimally. It helps to avoid excessive amounst of fertilizer and micronutrients as well as helps to reduce production costs. Farmer can produce higher yields while saving on water as well as fertilizer, energy, and manpower. Wired and wireless valve. Controller can be connected parallel. Feedback status can be achieved. Internet communication is available with GPRS & WIFI also. In IOT Based Smart Drip Irrigation System Communication speed is high compared to GSM.
Screenshots
Verdict
The clearest difference is in-app purchases: Niagara 4Valve Controller at none against Audio Spleeter Lite's 3. Niagara 4Valve Controller also leads on ads (none vs shown) and iOS requirement (14.0 vs 17.0). On price, update cadence and device support 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. Audio Spleeter Lite sells 3 in-app purchases, starting at $3.99 per month. Niagara 4Valve Controller asks for nothing beyond the download.
Audio Spleeter Lite ships an update every 3 months, Niagara 4Valve Controller every 2 months. The most recent releases landed on October 16, 2026 and September 27, 2026 respectively.
| Parameter | Audio Spleeter Lite | Niagara 4Valve Controller |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 13.3% of reviews | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 148 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | 龙刚 李 | Niagara Automation |
In-app purchases
Audio Spleeter Lite
- Premium version 1 year$3.991 Month
- Upgrade premium one year$14.991 Year
- Permanent purchase$25.99
Niagara 4Valve Controller
No in-app purchases
Questions
Is Audio Spleeter Lite free?
Is Niagara 4Valve Controller free?
Do Audio Spleeter Lite or Niagara 4Valve Controller have ads?
Which is updated more often, Audio Spleeter Lite or Niagara 4Valve Controller?
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