SubEnvoy vs iSub Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SubEnvoy
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Struggling with missing subtitles? Tired of inaccurate auto-translations? SubEnvoy is your private AI specialist for subtitle translation and video transcription. 【Privacy-First & On-Device】 Your videos never leave your device. Powered by the Whisper model, all processing is done 100% offline. Total privacy, zero data usage. 【Core Features】 - Context-Aware AI Translation: Go beyond literal translation. Our AI understands the nuance of dialogues for natural, fluid subtitles. - Mobile Player Ready: Export standard SRT files perfectly compatible with Infuse, nPlayer, and VLC on iOS/iPadOS. - Fair Pay-As-You-Go: No monthly subscription traps. Pay only for what you process – and your points never expire. SubEnvoy makes every foreign movie feel native. --- Privacy Policy: https://subenvoy.app/en/privacy Terms of Use: https://subenvoy.app/en/terms
iSub Player
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With features such as dual subtitles, an independent subtitle panel, subtitle-based seeking, sentence repetition, and favorites, iSub Player turns your local videos into effective learning materials. Whether you are learning English, Japanese, Korean, French, Spanish, or other languages, iSub Player provides a more efficient viewing and learning experience. 【Efficient Subtitle Learning】 • Display dual subtitles for side-by-side learning • Independent subtitle panel with free scrolling • Tap subtitles to jump to the exact position • Repeat individual sentences for practice • Shadowing, Record & Compare to Original • Save subtitles, screenshots, and audio clips with one tap • Quickly open AI websites to analyze subtitles and words • Subtitle Masking for a Pure Listening Environment 【Professional Local Media Player】 • Supports popular video formats including MP4, MKV, MOV, AVI, WEBM, FLV and More • Supports popular audio formats including MP3, AAC, FLAC, M4A, WAV, WMA and More • Supports multiple audio track switching and audio Delay • Supports embedded subtitles and external SRT, ASS subtitles, and LRC lyrics • Customizable subtitle delay, font size, and subtitle styles 【Powerful Media Library】 • Import local video and audio files • Automatically scan folders to create playlists • Browse with list and grid views • Multiple sorting options • Automatically save playback history • Quickly search media files • Convenient long-press action menu • Support batch selection and batch operations • Private folders with password protection 【Favorites & Learning Management】 • Save subtitle sentences, words, screenshots, and audio clips • Categorize learning materials • Quickly search saved content • Export and import favorites data without quality loss 【Professional Playback Experience】 • High-precision timeline seeking • Playback speed adjustment while maintaining audio pitch • Automatically remember playback progress • Gesture controls for brightness, volume, and playback position • Double-tap to fast forward or rewind • Pinch-to-zoom video display • Support playlist loop, single-item loop, and single playback modes 【Background Playback】 • Continue audio playback in the background • Lock screen media controls • System notification playback controls 【Rich Personalization Options】 • Multi-language interface • Customizable subtitle styles (font size, color, position, outline, background, bold, etc.) • Playback preferences • Translation settings • Light mode, dark mode, and system theme support • Customizable external keyboard shortcuts iSub Player focuses on local media playback and language learning. It does not provide any online video content. All media files come from the user's device or are imported by the user. Whether you are watching movies, TV shows, anime, or documentaries, or practicing listening, subtitle-based learning, speaking shadowing, and language skills, iSub Player is your ideal companion for turning local videos into effective learning resources.
Screenshots
Verdict
The clearest difference is ads: SubEnvoy at none against iSub Player's shown. iSub Player's advantage is iOS requirement (15.5 vs 26.0). 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
Both are free to download. SubEnvoy sells 10 in-app purchases, starting at $2.99 per month and iSub Player sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
SubEnvoy ships an update every 10 days, iSub Player fortnightly. Both last shipped on October 28, 2026.
| Parameter | SubEnvoy | iSub Player |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 22 MB | 128 MB |
| Age rating | 4+ | 4+ |
| Developer | 祎 万 | Shandong HOPE Machine Co., Ltd. |
In-app purchases
SubEnvoy
- Starter (Monthly)$2.991 Month
- Pro (Monthly)$6.991 Month
- Ultra (Monthly)$13.991 Month
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- Starter (Yearly)$29.991 Year
- Pro (Yearly)$69.991 Year
- Ultra (Yearly)$139.991 Year
- Points Pack 400$3.99
- Points Pack 1000$9.99
- Points Pack 2000$19.99
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- Points Pack 4000$39.99
iSub Player
- Pro$4.99









