OnStem vs kPod
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OnStem
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OnStem: AI Music Separation is an on-device AI-powered music separation tool that allows you to split audio tracks into individual stems with privacy and performance in mind. Powered by optimized local inference based on the open-source Spleeter project, OnStem performs all audio processing entirely on your device, without uploading files to any server. Key Features AI Music Separation Separate audio into 2 stems: Vocal and Accompaniment Separate audio into 5 stems: Vocal, Piano, Drums, Bass, and Accompaniment On-Device AI Processing All processing runs locally using on-device AI models No audio files are uploaded or shared Your content stays private on your device Optimized for Long Audio Custom optimizations allow processing of very long audio files Designed for stability and efficiency on mobile devices Multiple Export Formats Export separated tracks as MP3, WAV, M4A, or AAC Easily integrate with other audio tools and workflows Privacy First OnStem is a local-first application. All selected files are processed on your device only. No audio data or personal information is collected, stored, or uploaded. Subscriptions and Purchases OnStem offers both subscription plans and a one-time purchase option. Monthly subscription Quarterly subscription Annual subscription One-time lifetime purchase (where available) Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. You can manage or cancel your subscription at any time in your Apple ID account settings. Prices may vary by region and are displayed before purchase. Legal Privacy Policy https://github.com/yangliu-1995/stemify-legal/blob/main/Privacy-Policy/EN.md Terms of Use https://github.com/yangliu-1995/stemify-legal/blob/main/Term-of-Use/EN.md OnStem is designed for creators who value privacy, performance, and on-device AI processing.
kPod
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kPod 是一款为本地音乐打造的经典滚轮播放器。 导入你自己的歌曲,用滚轮点选菜单,用封面流翻专辑。 没有流媒体,没有订阅,没有账号。 经典操作 • 滚轮浏览播放列表、艺人、专辑与歌曲 • 一键随机播放全部歌曲 • 专辑封面流,左右拨动选碟 • 银色、黑色、红黑特别版机身 • 按键触感与滚轮音效,可随时关闭 你的文件,原样播放 • 支持 FLAC、ALAC、DSD、WAV、AIFF、MP3、AAC、OGG、Opus、APE 等格式 • 读取内嵌封面 • 读取内嵌歌词,也支持同目录 LRC • 文件夹自动成为播放列表 • 后台播放,锁定屏幕与控制中心可遥控 两种导入方式 • 用访达或 iTunes 的文件共享,把音乐直接拷进 App • 同一 Wi-Fi 下开启 WebDAV,从电脑拖进共享文件夹 kPod 不需要登录,也不会把你的音乐上传到任何服务器。打开它,只听音乐。
Screenshots
Verdict
The clearest difference is in-app purchases: kPod at none against OnStem's 4. kPod also leads on ads (none vs shown). On price, device support and iOS requirement 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. OnStem sells 4 in-app purchases, starting at $0.99 per month. kPod asks for nothing beyond the download.
| Parameter | OnStem | kPod |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 137 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 阳 刘 | Chuantang Gu |
In-app purchases
OnStem
- OnStem Pro – Monthly$0.991 Month
- OnStem Pro – Quarterly$2.393 Months
- OnStem Pro – Annual7 Days trial$8.991 Year
- OnStem Pro – Lifetime$9.99
kPod
No in-app purchases









