CineStill vs 动作回放

Extract high-resolution still photos from any video in your library. Scrub frame-by-frame, zoom in, and capture the exact moment. You know that one perfect frame buried in a video? CineStill helps you find it. Load any video from Photos, scrub through with precision controls, zoom to line up the shot, and save at full resolution. No compression, no watermarks. WHAT IT DOES • Frame-by-frame video scrubbing with precision zoom • Save photos at full source resolution (4K, HD, whatever your video is) • Works with portrait, landscape, and square videos • Handles iCloud videos without downloading first • Saves directly to your Photos library • Zero watermarks, zero subscriptions HOW IT WORKS First 3 frame captures are free so you can test it out. If it clicks, unlock unlimited captures with a one-time purchase. That's it—no recurring charges. PRIVACY Built with native iOS frameworks (SwiftUI + AVFoundation). Your videos never leave your device. No analytics, no tracking, no cloud processing.

动作回放，是一款专为运动爱好者打造的轻量级逐帧分析工具，让你像专业教练一样审视每一个动作细节。 逐帧播放 — 精确到每一帧的回放控制，滑动指尖即可定位到任意画面，再快的动作也无所遁形。运动精彩瞬间截图收藏。 快速剪辑— 拖动及可剪辑，快速截取多个精彩片段，更适合剪羽毛球、网球等精彩片段； 捕捉动作 — 支持多种比例框选（3:4 / 9:16 / 1:1 / 4:3 /16:9），最多9张连续关键帧一键拼合，生成动作分解长图。 图片标注 — 在截取的画面上自由涂鸦画笔标记、添加文字点评，支持多种颜色和字号，清晰传达技术要点。 适用场景：滑雪、羽毛球、网球、高尔夫、篮球、健身、舞蹈动作分析学习与自我复盘分析。 动作回放不依赖网络，所有处理均在本地完成，隐私安全可靠。