DiaPlayer vs MyStudyDeck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DiaPlayer
This app transforms any audio into a focused listening practice tool. It offers features like AI-powered transcription with local subtitles, sentence-level repetition, dictation with subtitle masking, and pronunciation practice. Users can also save difficult sentences and new words for later review, and subscribe to podcasts for offline listening.
- AI auto transcription with local subtitles
- Sentence-level loop and dictation
- Follow-reading and pronunciation practice
- Difficult sentence and new word saving
- Podcast RSS subscription and offline playback
- Adjustable playback speed and A-B repeat
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DiaPlayer 让任意一段音频,都可以变成适合精听学习的材料。你可以逐句反复听、遮挡字幕听写,也可以开口跟读,把“听过”变成“真正听懂”。 【特色功能】 AI 自动转写,本地生成字幕 导入音频后,DiaPlayer 可使用设备端 Whisper 模型在本地生成字幕,并支持词级时间轴跟随。转写过程无需联网,音频内容不上传,更好保护隐私。 精听与听写模式 支持逐句循环、智能断句、字幕遮挡和盲听练习。你可以边听边写,再即时对照字幕,从“听个大概”逐步练到“逐词听清”。 跟读复述,练出口语 选择原句进行跟读录音,随后回放对比,帮助你发现发音、重音和语调问题,让听力输入真正转化为口语输出。 难句本与生词本 遇到没听懂的句子、不认识的单词,可以一键收藏。之后随时回顾、反复精听,集中突破薄弱内容。 播客资源中心 支持通过 RSS 订阅英语播客,并下载音频离线收听。你喜欢的真实语料,可以直接进入精听、听写和跟读流程。 顺手的播放体验 支持变速播放、A-B 复读、后台播放,并自动记忆播放进度、收藏内容和学习记录。 【适合人群】 · 正在备考雅思、托福、考研等考试,希望提升听力能力的学习者 · 想用播客、课程、影视音频等真实材料磨耳朵的英语学习者 · 认可精听训练,希望从“听得懂大意”进阶到“听清每个词”的学习者 下载 DiaPlayer,把每一段音频都听细、听懂、听透。
MyStudyDeck
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Turn any photo or PDF into Anki flashcards — then study them right in the app. No typing, no desktop, no account. Everything runs on your iPhone, fully offline. MyStudyDeck is the fastest way to go from study material to memorized. Scan a page, let on-device OCR and smart filtering pick out the words that matter, auto-translate the backs, study with a swipe — and export standard .apkg decks to Anki when you want. THREE TAPS. REAL CARDS. 1. Snap a photo (or import a PDF) of your study material 2. Tap the terms you want to learn 3. Study in-app — or export a complete .apkg deck to AnkiMobile No typing kanji on your phone. No copy-pasting between apps. No desktop required. STUDY MODE — RIGHT IN THE APP You no longer have to export to Anki just to review. • Full study screen with a 3D card-flip animation • Swipe right when you knew it, swipe left to review again • Streak meter tracks your consecutive correct answers • Self-assessment grading: "Didn't know" or "Knew it" • Shuffle mode to mix up your deck • Resume a session right where you left off (within 24h) • Works with all four card types: plain, image, cloze, and multi-field SMART CARD CREATION • On-device OCR extracts text from photos instantly — works offline • Smart word filtering uses Apple's NaturalLanguage engine to highlight the important words (nouns, verbs, adjectives, domain terms) and pre-select them • Function words (the, is, a) are hidden by default — tap "Show all words" to reveal everything • Per-word confidence indicators so you can trust the selection • Filtering supports English, Spanish, French, German, Italian, Portuguese, and Russian (other scripts use length-based filtering) • Apple Translation fills in card backs automatically • Edit any field before saving (front, back, reading, notes) IMPORT PDFs • Import PDFs directly from Files, iCloud Drive, or any document provider • Page viewer with thumbnails and range selection (All / This page / Range) • Multi-page extraction with a live progress indicator • Text flows straight into the same smart OCR review pipeline • Up to 50 pages per session ANKI-COMPATIBLE EXPORT • Generates standard .apkg files that import cleanly into Anki • Works with AnkiMobile, Anki Desktop, AnkiDroid, and AnkiWeb • Export via the iOS share sheet — AnkiMobile, Files, AirDrop, iCloud Drive, or email • Card images are embedded in the export BUILT FOR PRIVACY Your photos, cards, and study data never leave your device. The OCR and translation run on-device. No accounts. No cloud. No tracking. We never see your cards. ONE-TIME PURCHASE — NOT A SUBSCRIPTION Try MyStudyDeck free with up to 3 cards. Unlock unlimited cards, PDF import, study, and .apkg export with a single $14.99 purchase — yours forever. No subscription. No recurring charges. No surprise renewals. Built for self-taught language learners (Japanese, Korean, Chinese and more) and for students working from textbooks. MyStudyDeck solves the hardest part of mobile studying: turning real study material into cards you actually review — without a desktop.
Screenshots
Verdict
The clearest difference is in-app purchases: DiaPlayer at none against MyStudyDeck's 1. On price, 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
Both are free to download. MyStudyDeck sells 1 one-off in-app purchase. DiaPlayer asks for nothing beyond the download.
| Parameter | DiaPlayer | MyStudyDeck |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17 — better | 17.4 |
| Further details — not scored | ||
| Size | 481 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | 翔辉 俞 | Sai Sharan Bhonagiri |
In-app purchases
DiaPlayer
No in-app purchases
MyStudyDeck
- MyStudyDeck Pro$14.99









