Master Motion vs PlayShelf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Master Motion
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Master Your Movements with an Intuitive Media Player A powerful media player designed to help you practice, learn, and improve through full control of your videos and audio. Perfect for sports training, dance practice, music learning, rehabilitation, and more! ◆ Key Features ◆ • Speed Control – Adjust playback speed freely to analyze every detail. • Range Playback – Repeat specific sections to efficiently master techniques. • Mirror Mode – Flip videos like a mirror for intuitive learning. • Camera-Like Zoom & Pan Playback – Save zoom and pan positions to focus on your favorite details, just like a “fan cam.” • Clean & Simple Interface – A distraction-free design that anyone can use with ease.
PlayShelf
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PlayShelfは、iPhoneやiPadに保存した動画・音楽を快適に再生できるメディアプレイヤーです。YouTubeのような見やすい再生画面で、動画の長押し倍速再生、バックグラウンド再生、ピクチャ・イン・ピクチャに対応。フォルダやプレイリストで整理でき、見せたくない動画はシークレットフォルダで管理できます。
Screenshots
Verdict
The clearest difference is price: Master Motion at Free against PlayShelf's $1.99. PlayShelf's advantage is ads (none vs shown). On in-app purchases, 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
Master Motion is free to download; PlayShelf costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Master Motion | PlayShelf |
|---|---|---|
| Price | Free — better | $1.99 |
| Update frequency | Every 6 months | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | KEN ITAKURA | YUKI SHIIYAMA |
In-app purchases
Master Motion
No in-app purchases
PlayShelf
No in-app purchases









