level 10
因为是面对不同层次不同需求性质的，而且确实两款产品在各自定位的角度上有差异，所以这里不做孰优孰劣的价值裁定，只是陈述事实，好教个人有自己独立判断，合适最好。
====================================
App Store 上四款名气较大的收费视频播放应用： nPlayer、AVplayerHD、GPlayer、AcePlayer 。当中 nPlayer 和 AVplayerHD 一直坚守收费状态，口碑良好，而 GPlayer 和 AcePlayer 经常限时免费除 AVplayerHD 是 iPad 专属程序外，其余三款均为通用程序。换言之，现在只要30RMB就可以在 iphone 和 ipad 上安装这款应用。
==================================（我要开始复制了）=============
nPlayer provides high quality video play performance and easy control-UI supporting almost all kinds of video formats and codecs without file converting efforts.
And nPlayer also supports H.264 hardware acceleration and
powerful， stable streaming technology which enable to stream-play from WebDAV， FTP， SMB， UPnP/DNLA server.
With your finger tip, you can adjust playback position, move to previous and next subtitle position, adjust location and font size of subtitle, control volume and brightness.
Experience the nPlayer’s high quality performance and excellent UI now.
* Features
- Support OFFICIALLY Dolby audio codec (AC3, E-AC3) !!!
- Support Dolby Mobile Surround Sound
- Support H.264/MPEG4 Hardware acceleration for MKV, AVI, FLV and so on over Local, HTTP, FTP, SFTP and SMB protocols
- Support almost of any video files : MP4, MOV, MKV, AVI, WMV, ASF, FLV, OGV, RMVB, TP etc...
- Support almost of any audio files : MP3, WAV, WMA, FLAC, APE etc...
- Support subtitle files : SMI, SRT, SSA, IDX, SUB, LRC etc...
- Support image files : JPG, PNG, BMP, GIF, TIFF etc...
- Support embedded subtitle
- Support CUE file
- Support Toshiba wireless storage (FlashAir, Wireless SSD, Wireless Adapter)
- Play video and music files in iPod library
- Play video files in Albums
- Built-in WebDAV client to stream and download media files
- Built-in FTP client to stream and download media files
- Built-in SFTP client to stream and download media files
- Built-in UPnP/DLNA client to stream and download media files
- Built-in SMB client to stream and download media files
- HTTP, FTP, SMB Streaming
- Support Cloud storage (Dropbox, GDrive, OneDrive, Box, Bitcasa)
- Aspect ratio : Default, 1:1, 3:2, 4:3, 5:3, 16:9 etc
- Scrolling horizontally on subtitle text : Move to previous or next subtitle text
- Dragging vertically on subtitle text : Adjust subtitle position
- Pinching to zoom on subtitle text - Adjust font size of subtitle
- Selecting subtitle file
- Selecting font of subtitle
- Selecting text color of subtitle
- Support SAMI(SMI) Tag
- Support SSA/ASS with full styling
- Support multi-track subtitle
- Support multi-track audio
- Speed control : 0.5x ~ 2.0x
- AB Repeat
- Screen rotation lock
- Screen lock
- File management : Delete, Move, Rename, Create
- Folder passcode lock
- Wi-Fi Transfer : Transfer files without USB cable connection
- USB Transfer
- TV-out
* Gesture Features
- Tap : Menu
- Double tap : Play/Pause
- Drag horizontally : Playback position adjustment
- Drag vertically on right half of the screen : Volume control
- Drag vertically on left half of the screen : Brightness control
- Drag horizontally on subtitle text : Move to previous/next subtitle text
- Drag vertically on subtitle text : Subtitle position adjustment
- Pinch to zoom on subtitle text : Subtitle font size adjustment
=============================================
太长，不看，那就简言之：视频播放工具，支持所有主流格式视频的高清顺畅播放。其余可以配合看图了。
