Comparison

KPlayerAir vs Subtitle Player

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

Head to head
About

KPlayerAir

Read full description

KPlayerAir (Free) is a video playback app. It can play video files (common MPEG-4 video in LOCAL mode) with subtitles (SMI/SRT). • Requires iOS 13.0 or later. - (LOCAL mode) To add video/subtitle files or folders to the app, use the 'Finder'(Mac), the 'Apple Devices' app(PC), or 'iTunes'(Old OS). ; 'Finder', 'Apple Devices' app > Select a device in the sidebar > 'Files' > 'KPlayerAir' ; 'iTunes' > Select a device > 'Apps' > 'File Sharing' > 'KPlayerAir' - Sub-folders of these added folders are ignored. • Subtitles - It supports Ruby tag, Integrated, Text encoding. - Subtitles (SMI/SRT) are displayed in real time even if it searches the playback position through the time slider, gestures or 'Skip'. - If the video (file_name) is opened, it searches the subtitles (file_name or file_name*) at the same folder. ; 'file_name.smi', 'file_name*.smi', 'file_name.srt', 'file_name*.srt' - (LOCAL mode) Closed Caption (embedded tx3g) style/behavior follows the OS settings. ; 'Settings' > 'Accessibility' > 'Subtitles & Captioning' ; CC are always displayed at the bottom of the screen. Their timing can’t be adjusted. Also, even if there are two or more CC items, it can select only one of them. • Playable Types - (LOCAL mode) common MPEG-4 video ; MP4/M4V/MOV, H.264/HEVC, AAC/ALAC/AC3, YUV420P(8bit/10bit)/YUV444P(10bit/12bit) ; If the video/audio track was encoded in the settings that are not supported by the OS or device, it may not be able to play. For example, 'YUV420P 10bit', 'YUV444P 10bit/12bit' pixel formats. ; In the case of HEVC codec, the codec tag must be 'hvc1' to be playable. - It doesn't support the playback of a protected video file. More detailed information is available in "App Support". (https://bohoonkim.blogspot.com/2016/08/kplayerair.html) ※ The 'KServer mode' feature has been temporarily disabled. We will later renew it to support a new version of 'KServer'. ※ We have added a button to watch advertisements for those who want to contribute to continuous app development. And this button feature uses third-party SDK, 'AdMob', 'Google Mobile Ads SDK' that may collect certain information.

About

Subtitle Player

This app enhances foreign language learning through video subtitles. It allows users to easily repeat sentences, mark new vocabulary, and get instant word translations, making the learning process more interactive and effective.

Highlights
  • Sentence repetition
  • Mark new words
  • Word translation
  • Subtitle integration
  • Video playback
Features
Read full description

Unlike ordinary video players, Subtitle Player focuses on subtitles, making it easier and more effective for learning foreign language with videos. Features: 1. Easy to Repeat by clicking on the sentence. 2. Mark New Words. 3. Word Translation. Usage: 1. Make sure the video file and subtitle file have the same file name prefix. 2. Import video and subtitle files with iTunes or other iOS App.

Screenshots

KPlayerAir4 screens
Subtitle Player4 screens

Verdict

The call

The clearest difference is ads: Subtitle Player at none against KPlayerAir's shown. KPlayerAir's advantage is iOS requirement (13.0 vs 18.6). On price, update cadence, in-app purchases and device support 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

KPlayerAir ships an update monthly, Subtitle Player every 2 months. The most recent releases landed on September 12, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
KPlayerAir versus Subtitle Player: the parameters behind the verdict, then further details
ParameterKPlayerAirSubtitle Player
PriceFreeFree
Rating—4.3 (6 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—6 — better
Update frequencyMonthly — betterEvery 2 months
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.6
Further details — not scored
Size5 MB63 MB
Age rating9+4+
DeveloperBoHoon KimYE LIN

In-app purchases

None

KPlayerAir

No in-app purchases

None

Subtitle Player

No in-app purchases

Questions

Is KPlayerAir free?
KPlayerAir is free to download, with no in-app purchases.
Is Subtitle Player free?
Subtitle Player is free to download, with no in-app purchases.
Do KPlayerAir or Subtitle Player have ads?
KPlayerAir shows ads; Subtitle Player does not.
Which is updated more often, KPlayerAir or Subtitle Player?
KPlayerAir ships an update monthly, and Subtitle Player every 2 months. Most recently, KPlayerAir was updated on September 12, 2026 and Subtitle Player on September 8, 2026.

Other comparisons