Phottix vs Video Frame GrabberㆍStillFrame

这是一款可以通过手机蓝牙广播控制蓝牙摄影灯的app，手机与蓝牙灯无需建立连接便可控制。在使用这个APP之前，必须要有一个可以接收蓝牙广播的蓝牙摄影灯。选择APP上面的 A,B,C,D,E,F,ALL分组，就可以通过蓝牙控制对应分组的灯，蓝牙摄影灯可以工作在不同模式下，有 关灯模式、彩色模式、黄白模式、情景模式，可以在APP 上进行不同模式的切换。在彩色模式下可以通过触摸APP底部的拾色盘进行颜色控制，同时在APP左上角的指示灯也会同步变换颜色。在每种情景模式下还可以通过滑动亮度滑块，调整蓝牙摄影灯的亮度。点击右上角的指示灯可以在开灯和关灯模式中切换。

StillFrame — Extract Perfect Stills from Video Stop fighting blurry screenshots. StillFrame lets you pull a clean, high-quality still image from any video on your iPhone with frame-by-frame precision—then crop and export it in the exact format and aspect ratio you need. All video processing happens on your device: no accounts, and your videos are never uploaded anywhere. Capture the exact moment (down to the millisecond) Use a visual filmstrip timeline to scrub frame-by-frame and land on the precise frame you want. Works with your videos (no conversion) Import from your Photos library or Files. Supports common formats including MP4, MOV, AVI, MKV, and WebM. Export ready for any use Choose export format, quality, and aspect ratio. Crop and adjust before saving. Free & ad-supported StillFrame is free to use. To keep it that way, you may see a sponsored card in your gallery, and saving or sharing a frame may sometimes ask you to watch a short ad first. Your data We collect anonymous usage analytics to improve the app. Ads may use your device's advertising identifier for personalization only if you allow tracking — you're always asked first, and you can change your choice anytime in iOS Settings. How it works 1. Pick a video (Photos or Files) 2. Scrub to the perfect frame 3. Export as a high-quality image Perfect for • Thumbnails and cover images • Action shots (sports, pets, kids) • Social posts and reels previews • Selecting a sharp frame from travel and underwater videos