Comparison

OPlayer vs KMPlayer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OPlayer

This app plays virtually any video or audio file format without conversion. It allows remote streaming from network shares and supports subtitle files. Additional features include playback speed adjustment, A-B repeat, and background playback.

Highlights
  • Plays all video/audio formats
  • Network streaming (SAMBA, FTP, UPnP/DLNA)
  • Adjustable playback speed
  • A-B repeat function
  • Background playback
  • Subtitle support
  • File management
Features
Read full description

Play all your videos directly without having to convert them! OPlayer supports almost every format for video/audio playback. It gives you the flexibility to be able to download your files to your device, or browse a SAMBA/FTP/UPnP/DLNA share over the network. "Best video player on the App Store" OPlayer has been rated as "iPhone Apps Plus Best"! OPlayer has been around for 12 years, continuous improvement in video playback and feature enhancements, has made it the first choice for millions of the users. With positive endorsements and feedback from our users we endeavor to make it even better with each upgrade. ======================================== Support Dolby Digital Audio (AC3) Official AVI/DivX license (In App Purchase) Official DTS license (In App Purchase) ======================================== 【Supported Formats】 - Video: mkv, wmv, avi, divx, xvid, rmvb, rm, flv, mp4, 4k, mov, 3gp, m4v, blu-ray, ts, m2ts, swf, asf, vob, h265 (hevc), webm...almost all movie file formats. - Audio: mp3, wma, wav, dts, ac3, eac3, aac, flac, ape, cue, amr, ogg vorbis, lossless music...almost all audio file formats. - Subtitle: srt, ass, smi, sub...almost all subtitle file formats. - Stream: http, ftp, samba, rtp, rtsp, mms... - Widely devices support: Optimized for all iPhones running iOS 6.0 and later, including iPhone 6s (Plus). 【Key features】 • Adjust playback speed: 0.1x ~ 4.0x • A-B repeat: play from start point (A) to end point (B) repeatedly • Background play: continue playing videos when app enters background • Landscape play: useful when iPhone turned on 'Portrait Orientation Lock' - SAMBA/FTP/HTTP/UPnP/DLNA client - Multiple transfer ways: 1. USB transfer (support folder) 2. Wi-Fi transfer - Play files in PC remotely without downloading Share folders on PC, then you can stream files by OPlayer. - Privacy protect: support password for app and folders, hide password-protected folders, Touch ID - Excellent performance: support 1080P HD video on iPhone 5 and newer devices - Less battery consumption: hardware decoding mp4/mp3 files by default - Single hand mode: you can control playback with one hand 【Basic functions】 - File Manager: new folder/rename/move/delete/search/sort/open in with - Built in web browser - Support NAS, Router, Dropbox...network storage - Support text file: TXT, WORD, EXCEL, PPT, PDF... - Compress/Decompress (In App Purchase): support zip, rar, 7z (with password) - Playlist: enjoy music by our powerful playlist functions - Gesture: seek (forward, backward), brightness, volume, pause/resume, subtitle position and size - Repeat/Loop mode: repeat all, repeat once, shuffle... - Remember playback time: resume from last played position - Render on TV (TV Out): support AirPlay, mirror, HDMI wire... - Lock playing window: avoid unintended touch when watching movies - Timing off: stop playing after the specified time - Adjust aspect ratio: you can set any aspect ratio, for example 16:9 - Play 3d movies in 2d mode - Deinterlace - Flip horizontal and vertical - Use headphones to control playback - Audio boost - Photo viewer (In App Purchase): 1. Support gif animation,png,jpg,bmp... 2. Slide show photos 3. Import from Photos 【Audio Features】 - Support left and right channel switch - Audio tracks switch and save your settings - Adjust audio delay 【Subtitle Features】 - Support embedded subtitles in movies - Auto load the subtitle whose name is the same with the movie - Select subtitle files manually - Auto detect the encode of subtitle files - Gesture: single touch and move to adjust position, pinch to adjust size - Customizable subtitle font, colors - Adjust subtitle delay 【Support】 - We will check reviews on App Store frequently - Skype: oplayer_help@outlook.com - Mail: olimsoft@gmail.com - Twitter: @OLIMSOFT - Website: www.edavs.com

About

KMPlayer

A versatile media player that handles all high-resolution video, music, and subtitle formats. Offers advanced playback controls, color adjustments, and subtitle customization.

Highlights
  • Plays all video and music formats
  • Supports numerous subtitle formats
  • Bookmark playback sections
  • Adjust video color and playback speed
  • Stream videos via URL
  • Network and cloud storage support
Features
Read full description

▶ KMPlayer, Customer Lounge is here! ▶ Feedback, ideas, and events—all welcome. - Link: https://cobak.co/en/space/392 KMPlayer is a perfect media player that can play all forms of high resolution videos, music, and subtitle files. Along with the flawless playback, enjoy the rich features of the player including quick button, bookmark, subtitle settings, and play speed settings! ▶ KMPlayer ◀ · Bookmark: Add bookmark to the time points to playback any sections you wish to cherish · Control Color: Change brightness, light intensity, hue, saturation, and gamma information · Expand & Contract: Expand & contract the video screen being played · Section Repeat: Repeatedly play a section from point A to point B · Quick button: Quickly set the player options · Equalizer: Save separate equalizers for music & video · Subtitle Settings: Change color, size, and position of subtitles · URL Playing: Enter URL to play any videos on the web (streaming) · Network: Supports FTP, UPNP, SMB, WebDav · Cloud: Supports Google Drive, Dropbox, OneDrive [ Supported Formats ] Video and music: AVI, MP3, WAV, AAC, MOV, MP4, WMV, RMVB, FLAC, 3GP, M4V, MKV, TS, MPG, FLV Subtitle: DVD, DVB, SSA/ASS Subtitle Track, SubStation Alpha(.ssa/.ass) with full styling.SAMI(.smi) with ruby tag support, SubRip(.srt), MicroDVD(.sub/.txt), VobSub(.sub/.idx), SubViewer2.0(.sub), MPL2(.mpl/.txt), TMPlayer(.txt), Teletext, PJS(.pjs) , WebVTT(.vtt) Due to the policy, we do not support certain codecs. (DTS, EAC3, TrueHD, Divx .. ) ▶ Permission Information ◀ [ Required Permissions ] Storage space: Requesting permission to access photos, music, and videos stored in the device ▶ Message from the Developers ◀ KMPlayer’s development team are always open to your opinions to further improve the App. Feel free to request new features and please provide us with plentiful feedback. Email: support.ios@kmplayer.com

Screenshots

OPlayer4 screens
KMPlayer4 screens

Verdict

The call

The clearest difference is price: KMPlayer at Free against OPlayer's $2.99. KMPlayer also leads on in-app purchases (none vs 5) and update cadence (every 9 days vs every 2 months). OPlayer's advantage is rating (4.6 vs 4.3) and chart position (#151 vs unranked). On review sentiment, ads, 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

CostPrice · In-app purchases · Ads · Monetization

KMPlayer is free to download; OPlayer costs $2.99 up front. OPlayer sells 5 one-off in-app purchases. KMPlayer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OPlayer holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 961 and 3.2K respectively. Written reviews point the same way: 70% of OPlayer's written reviews are positive against 66% of KMPlayer's.

UpkeepUpdate frequency

OPlayer ships an update every 2 months, KMPlayer every 9 days. Both last shipped on September 24, 2026.

Scorecard7 real differences · 4 level
OPlayer versus KMPlayer: the parameters behind the verdict, then further details
ParameterOPlayerKMPlayer
Price$2.99Free — better
Rating4.6 (961 ratings) — better4.3 (3.2K ratings)
Positive reviews69.8% of reviews — better66.2% of reviews
Number of ratings9613.2K — better
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
Best chart rank#151 — better—
DevicesiPhone, iPod, Apple TV, Apple Watch — betteriPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size93 MB137 MB
Age rating17+4+
DeveloperSuzhou Totoro Network Technology Co., Ltd.PANDORATV Co.,Ltd

Customer experience

OPlayer

All ratings961 ratings
Positive91.1%
Neutral3.1%
Negative5.8%
Written reviews1,426 reviews
Positive69.8%
Neutral9.1%
Negative21.1%

KMPlayer

All ratings3,244 ratings
Positive82.2%
Neutral5.2%
Negative12.5%
Written reviews485 reviews
Positive66.2%
Neutral10.5%
Negative23.3%

User reviews

OPlayer

From 961 App Store ratings

What we love

  • 🚀 Plays many video types flawlessly
  • 👍 Excellent video app
  • 👍 Fantastic video player
  • 👍 Straightforward and powerful
  • 👍 Essential media player

Room to improve

  • 🐛 Crashes frequently
  • 🐛 Doesn't play certain video formats
  • 🐛 Wifi sharing doesn't work
  • 🐛 Doesn't work with Chromecast
  • 🐛 Playback issues with some audio formats

KMPlayer

From 3.2K App Store ratings

What we love

  • 👍 Easy to use
  • 👍 Well-designed interface
  • 🚀 Plays a variety of formats
  • 🚀 Excellent media player
  • 🚀 Best video player on iOS

Room to improve

  • 🐛 Video playback issues
  • 🐛 Crashes and freezes
  • 🐛 Compatibility problems with newer iOS versions
  • 🐛 Subtitles not working
  • 🐛 Brightness issues

Bugs and requests

OPlayer

Reported bugs

5 issues
  • Playback issues after iOS updates
  • Compatibility problems with newer iOS versions
  • Samba network share issues
  • Audio sync problems with certain file formats
  • Freezing on login screen

Requested features

7 requests
  • Add video thumbnails
  • Implement Chromecast support
  • Improve network file management
  • Add audio equalizer
  • Improve Apple Watch integration
Show 2 more
  • Implement dark mode
  • Add ability to rename shared folders

KMPlayer

Reported bugs

10 issues
  • Video playback freezes
  • Audio desynchronization issues
  • Crashes when playing certain file types
  • Network share access problems
  • Brightness control malfunctions
Show 5 more
  • Subtitle font issues
  • Missing video files in library
  • Lockscreen controls not working
  • Compatibility issues with newer iOS versions
  • Unreliable background playback

Requested features

10 requests
  • Add Picture-in-Picture support
  • Implement Chromecast/AirPlay integration
  • Improve subtitle handling and customization
  • Add more aspect ratio options
  • Implement a dark mode
Show 5 more
  • Add ability to rename files
  • Improve network file sharing
  • Add more codec support (e.g., MKV)
  • Implement a better file organization system
  • Add ability to save custom audio/video settings

In-app purchases

5 purchases

OPlayer

One-time5
  • Photo Viewer$0.99
  • Decompress file$0.99
  • DivX Video Decoder$0.99
Show 2 more
  • DTS Audio Decoder$1.99
  • Unlock all features$4.99
None

KMPlayer

No in-app purchases

Questions

Is OPlayer free?
OPlayer costs $2.99, and also offers in-app purchases.
Is KMPlayer free?
KMPlayer is free to download, with no in-app purchases.
Which has better reviews, OPlayer or KMPlayer?
OPlayer is rated higher. OPlayer averages 4.6 out of 5 from 961 ratings, while KMPlayer averages 4.3 from 3.2K ratings.
Do OPlayer or KMPlayer have ads?
Neither OPlayer nor KMPlayer shows ads.
Which is updated more often, OPlayer or KMPlayer?
OPlayer ships an update every 2 months, and KMPlayer every 9 days. Most recently, OPlayer was updated on September 24, 2026 and KMPlayer on September 24, 2026.

Other comparisons