Comparison

Podcast to Doc vs Shadowing Lab

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

Head to head
About

Podcast to Doc

Features
Read full description

### Function Introduction 1. Collect content from Douyin/Bilibili/album videos/files as your own learning materials. 2. Free access to podcast content; AI-powered subtitle transcription exclusively for members. ### Language Support - Supports AI-powered audio transcription for English, Chinese, Japanese, Korean, Cantonese, German, French, Russian, and other languages. - Supports subtitle translation for multiple languages (including English, Chinese, Japanese, Korean, Cantonese, German, French, Russian, etc.). ### Subscription Details 1. **Monthly Subscription (¥28)** - Basic Functions - Unlimited AI Explanations - Subtitle PDF Download - 200 Points per Month 2. **Annual Subscription (¥128)** - Basic Functions - Unlimited AI Explanations - Subtitle PDF Download - 2400 Points per Year ### Service Notes 1. Subscriptions will auto-renew unless cancelled at least 24 hours before the end of the current subscription period. 2. You can manage or cancel your subscription in iPhone Settings > Apple ID > Subscriptions. 3. Subscription fees will be deducted from your iTunes account upon confirmation of purchase. User Agreement: https://hskez.cn/p2docUserPolicy.html Privacy Policy: https://hskez.cn/p2docPrivacyPolicy.html

About

Shadowing Lab

This app focuses on improving English listening comprehension, pronunciation, and spoken expression through intensive listening, close reading, and shadowing techniques. It offers structured, repeatable training with curated content and a clear learning path to build sustainable language ability.

Highlights
  • Intensive listening with segment-based audio
  • Shadowing practice with native audio comparison
  • Bilingual text support (English-Chinese)
  • Curated content with increasing difficulty
  • Progress tracking and learning milestones
  • Distraction-free interface
Features
Read full description

Shadowing is an English learning app focused on intensive listening, close reading, and shadowing practice. It is designed for learners who want to improve their listening comprehension, pronunciation, and spoken expression through structured, repeatable training. With carefully selected content and a clear learning path, Shadowing helps learners steadily build real English ability step by step. We believe that high-quality input combined with rhythmic, repeated practice is the key to sustainable language improvement. Key Features 1. Curated Content for a Sustainable Learning Rhythm - Carefully selected short English texts and audio with gradually increasing difficulty - Segment-based intensive listening, breaking audio into short sentences or phrases to lower the listening barrier - Bilingual text support (English–Chinese) to help learners understand meaning and expression patterns 2. Shadowing & Pronunciation Practice: Turning Input into Output - Sentence-by-sentence shadowing with native audio to build correct pronunciation and intonation - Pronunciation comparison and feedback to help identify and improve weak points - Unlimited repeat practice until you fully understand and can speak smoothly 3. Clear Learning Path, No Mindless Content Scrolling - Progress from Text 1 to Text 20, each representing a clear learning milestone - Learning records and progress tracking make improvement visible - Clean, distraction-free interface that keeps the focus on listening and reading Who Is This App For - Learners who want to systematically improve English listening skills - Users who want to improve pronunciation and speech rhythm through shadowing - People who need English input and output for work or study - Anyone who wants to build a long-term, sustainable English learning habit Use Cases 1. Practice intensive listening during your commute 2. Do a few minutes of shadowing before bed to reinforce pronunciation 3. Replay difficult sentences until they are fully understood 4. Use fragmented time to complete one text at a time and build a sense of progress Auto-Renewable Subscription Information Subscription Options: - Monthly subscription - Yearly subscription (Prices are shown in the app and may vary by region) Subscription Terms: - Payment will be charged to your Apple ID account upon confirmation of purchase - Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period - Renewal will be charged within 24 hours prior to the end of the current period - You can manage or cancel your subscription in your Apple ID settings How to Cancel: On iOS, go to: Settings → Apple ID → Subscriptions → Shadowing → Cancel Subscription Legal: - Privacy Policy: https://zhangpeiwhut.github.io/shark-english-legal/privacy.html - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Podcast to Doc4 screens
Shadowing Lab4 screens

Verdict

The call

The clearest difference is iOS requirement: Podcast to Doc at 13.0 against Shadowing Lab's 17.0. On price, update cadence, ads and in-app purchases 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. Podcast to Doc sells 2 in-app purchases, starting at $3.99 per month and Shadowing Lab sells 8 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Podcast to Doc ships an update every 3 days, Shadowing Lab every 5 days. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

Scorecard1 real difference · 8 level
Podcast to Doc versus Shadowing Lab: the parameters behind the verdict, then further details
ParameterPodcast to DocShadowing Lab
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 days — betterEvery 5 days
AdsNoNo
In-app purchasesYesYes
Monetization—Subscription
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size92 MB61 MB
Age rating4+4+
DeveloperBeijing Zhongke Chenfei Technology Co., Ltd.培 张

In-app purchases

2 purchases

Podcast to Doc

Subscriptions2
  • Monthly Subscription$3.991 Month
  • Annual Subscription$19.991 Year
8 purchases

Shadowing Lab

Subscriptions2
  • Monthly Subscription$0.991 Month
  • 连续包年$4.991 Year
One-time6
  • Points Pack (612)$0.99
  • Points Top-Up ¥18$2.99
  • Points Top-Up ¥38$4.99
Show 3 more
  • Points Pack (7956)$9.99
  • Points Pack (12054)$14.99
  • Points Top-Up ¥198$29.99

Questions

Is Podcast to Doc free?
Podcast to Doc is free to download, with in-app purchases available.
Is Shadowing Lab free?
Shadowing Lab is free to download, with in-app purchases available.
Do Podcast to Doc or Shadowing Lab have ads?
Neither Podcast to Doc nor Shadowing Lab shows ads.
Which is updated more often, Podcast to Doc or Shadowing Lab?
Podcast to Doc ships an update every 3 days, and Shadowing Lab every 5 days. Most recently, Podcast to Doc was updated on November 12, 2026 and Shadowing Lab on November 9, 2026.

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