Podcast to Doc vs Caption AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Podcast to Doc
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### 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
Caption AI
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Add automatic subtitles to your videos so viewers can follow what you say, even with the sound off. Translate your subtitles and customize their look with Caption AI. Made for vlogs, tutorials, and everyday stories, Caption AI brings subtitle creation and useful video tools into one app. AUTOMATIC VIDEO SUBTITLES Turn speech in your video into on-screen text and reduce manual typing. Generate subtitles for your footage, then review the result before sharing. TRANSLATION AND BILINGUAL SUBTITLES Translate subtitles into supported languages and display the original alongside the translation. Customize the style of each language separately to help viewers tell them apart. Available recognition and translation languages are shown in the app. YOUR SUBTITLES, YOUR STYLE Choose fonts, adjust text size and color, and customize layout and alignment. Match the subtitles to your video and keep the words easy to read. BASIC VIDEO EDITING Trim and cut footage, change playback speed, and adjust brightness, contrast, and saturation as part of your subtitle workflow. A TELEPROMPTER FOR YOUR SCRIPT Read scrolling text with adjustable speed, font size, and colors. Use it to support presentations, vlogs, and other scripted content. MORE TOOLS FOR VIDEO CREATION - Split-screen video: combine two clips side by side or vertically, with adjustable positioning and proportions. - Video compression: choose high, medium, or low quality to balance file size and image quality. - Chat videos: create fictional one-to-one or group conversations for storytelling and content demonstrations. - Video assets: browse, filter, and download clips to use in your projects. START WITH A VIDEO Choose your footage, generate and translate subtitles, adjust their appearance, and export your captioned video. PREMIUM FEATURES Automatic speech recognition, subtitle translation, captioned-video export, and ad removal are premium features. Check the in-app purchase screen for available plans, prices, feature access, and any usage limits. Auto-renewable subscriptions renew unless canceled. You can manage subscriptions in your App Store account settings. Check the purchase screen for the terms of each option. Contact: nicekeep@126.com Privacy Policy https://www.freeprivacypolicy.com/live/39e5616d-405f-4dd4-a783-77fa720f49b2 EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms & Conditions https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ---------------------------------------------------------------------- 1. VIP Membership VIP membership includes Weekly, Monthly, Yearly, and Lifetime plans. With a Premium Membership, you can enjoy the following features: • Remove all ads • Automatically recognize speech in videos • Translate subtitles into multiple languages • Export videos with subtitles 2. Subscription Plans The subscription plans provide access to ad-free experience, automatic speech recognition, subtitle translation, and exporting subtitle videos. This app offers the following subscription options: • $2.49 per week • $3.99 per month • $13.99 per year • $55.99 Lifetime purchase 3. Subscription Payment and Auto-Renewal Payment will be charged to your App Store account when you confirm the purchase. Subscriptions will automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current subscription period. You can manage or turn off auto-renewal at any time in your App Store account settings after purchase.
Screenshots
Verdict
The clearest difference is update cadence: Podcast to Doc at every 3 days against Caption AI's monthly. Podcast to Doc also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, 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
Both are free to download. Podcast to Doc sells 2 in-app purchases, starting at $3.99 per month and Caption AI sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Podcast to Doc ships an update every 3 days, Caption AI monthly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Podcast to Doc | Caption AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 92 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Beijing Zhongke Chenfei Technology Co., Ltd. | Beijing Xingnian Trading Department (Individually Owned Business) |
In-app purchases
Podcast to Doc
- Monthly Subscription$3.991 Month
- Annual Subscription$19.991 Year
Caption AI
- Weekly$2.997 Days
- Monthly$3.991 Month
- Annual$14.991 Year
- Lifetime$59.99









