PDF Scanner vs Caption AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Scanner
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PDF Speaker: Text Speaker is a versatile, all-in-one solution for managing your PDF documents. This app is designed to enhance your productivity for both work and study. With a simple interface and powerful features, it makes reading and organizing PDFs easier than ever. PDF Speaker: Text Speaker allows you to listen to your PDF files using high-quality text-to-speech. Instead of reading long documents, now you can just tap and listen. Whether you're reviewing study material or going through work files, the app helps you stay efficient and focused. This lightweight tool is perfect for anyone who handles PDF files regularly. You can quickly scan, open, view, and manage your PDF documents in one place. No more switching between multiple apps — everything you need is right here. PREMIUM SUBSCRIPTION Upgrade to PDF Scanner Premium to unlock: • Remove all ads • Unlock all features • Unlimited listening time • Unlimited scans & tools Subscription options: • Weekly – $2.99/week • Monthly – $9.99/month (includes a 3-day free trial) Prices may vary by country and are shown in your local currency in the app before purchase. Subscription Information: • Payment will be charged to your Apple ID account at confirmation of purchase. • Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period, at the price of the selected plan. • If a free trial is offered, any unused portion of the free trial period will be forfeited when you purchase a subscription. • You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/gamechieffz-llc/home
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: PDF Scanner at every 8 days against Caption AI's monthly. On price, ads, 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. PDF Scanner sells 1 one-off in-app purchase 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.
PDF Scanner ships an update every 8 days, Caption AI monthly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.
| Parameter | PDF Scanner | Caption AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 28 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | GameChief FZ-LLC | Beijing Xingnian Trading Department (Individually Owned Business) |
In-app purchases
PDF Scanner
- Remove Ads Unlock All Features$4.99
Caption AI
- Weekly$2.997 Days
- Monthly$3.991 Month
- Annual$14.991 Year
- Lifetime$59.99
Questions
Is PDF Scanner free?
Is Caption AI free?
Do PDF Scanner or Caption AI have ads?
Which is updated more often, PDF Scanner or Caption AI?
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