Comparison

PDF Reader vs KeepVid

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

Head to head
About

PDF Reader

This app offers a streamlined way to read, annotate, and organize PDF documents on iOS devices. It features smooth rendering, smart annotation tools, and cloud synchronization for easy access across devices. Enjoy a distraction-free reading experience with features like night mode and reading progress memory.

Highlights
  • Smooth PDF rendering
  • Highlight text and add notes
  • Organize documents with categories
  • iCloud and cloud storage import
  • Reading progress memory
  • Night mode
Features
Read full description

PDF Reader is a professional PDF reading tool designed for iOS, helping you easily read, annotate, and manage PDF documents. Whether for study, work, or research, PDF Reader provides a smooth reading experience and powerful features. Key Features: Smooth Reading: High-quality rendering and fast page-turning for a seamless reading experience. Smart Annotation: Highlight Text: Easily highlight important content with multiple color options. Add Notes: Annotate PDFs with text notes anytime to record your thoughts and ideas. Bookshelf Management: Organize your PDF documents with categorization, search, and quick access. One-tap import of PDF files, supporting iCloud, Files app, and other cloud storage. Reading Progress Memory: Automatically saves your last reading page, so you can seamlessly continue where you left off. Night Mode: Eye-friendly night mode for comfortable reading in any environment. Use Cases: Students: Read textbooks, papers, and notes, highlight key content, and add annotations anytime. Professionals: View contracts, reports, and documents, and quickly annotate and manage them. Researchers: Organize and read academic papers, and record key information. Highlights: Clean Interface: No ads, no distractions, just focus on reading. Cross-Platform Sync: iCloud sync support, access your PDFs and annotations anytime, anywhere. Offline Use: No internet required, enjoy reading anytime, anywhere. Download PDF Reader and make your reading more efficient and management easier! —Privacy Policy please visit: * https://docs.qq.com/doc/DREt1SXJkbG9JYUFT * **Terms of use (EULA): * https://docs.qq.com/doc/DREdKR2ZwYUJaa1hr * **Terms of apple please visit: * https://www.apple.com/legal/internet-services/itunes/dev/stdeula/) * Questions? Contact us at: hxx_shdt@126.com

About

KeepVid

This app serves as a comprehensive media toolkit, allowing users to browse, parse links, and play various media formats. It offers advanced playback controls, a private browser mode, and secure file management with optional app locking.

Highlights
  • One-tap link parsing
  • Adjustable playback speed
  • Picture-in-Picture mode
  • Private browsing
  • Secure file management
  • Face ID/Touch ID app lock
Features
Read full description

KeepVid is an all‑in‑one browser and media toolkit for iOS. Copy a shared link, paste it into KeepVid, and parse to play. Highlights: • One‑tap parsing: detect links in text and play after parsing • Better player: playback speed (0.75x–2.0x), Picture‑in‑Picture (PiP), progress saving • Browser: bookmarks/history/private mode, media detection • File manager: import from Files/Photos, organize, preview/play, and share; export to Photos • Private Space: App Lock with Face ID/Touch ID, optional hidden private entry Copyright & compliance: Only use KeepVid for content you have the legal right to access and play, and comply with applicable rules and third‑party terms. Privacy Policy: https://legal.keepvidapp.com/privacy-policy-en Terms: https://legal.keepvidapp.com/terms-of-service-en Support: https://legal.keepvidapp.com/technical-support-en

Screenshots

PDF Reader3 screens
KeepVid4 screens

Verdict

The call

The clearest difference is price: KeepVid at Free against PDF Reader's $3.99. KeepVid also leads on update cadence (every 3 weeks vs every 4 months). On ads, in-app purchases, monetization model 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

CostPrice · In-app purchases · Ads · Monetization

KeepVid is free to download; PDF Reader costs $3.99 up front. PDF Reader sells 3 in-app purchases, starting at $1.99 per month and KeepVid sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Reader ships an update every 4 months, KeepVid every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
PDF Reader versus KeepVid: the parameters behind the verdict, then further details
ParameterPDF ReaderKeepVid
Price$3.99Free — better
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.616.0 — better
Further details — not scored
Size9 MB70 MB
Age rating4+17+
Developer乐祥 胡子辉 杨

Customer experience

PDF Reader

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

KeepVid

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

PDF Reader

Subscriptions2
  • PDFReader Premium - monthly$1.991 Month
  • PDFReader Premium - yearly$14.991 Year
One-time1
  • PDFReader Premium - lifetime$69.99
3 purchases

KeepVid

Subscriptions3
  • Quying Pro Weekly$4.997 Days
  • Quying Pro Monthly$9.991 Month
  • Quying Pro Annual$39.991 Year

Questions

Is PDF Reader free?
PDF Reader costs $3.99, and also offers in-app purchases.
Is KeepVid free?
KeepVid is free to download, with in-app purchases available.
Do PDF Reader or KeepVid have ads?
Neither PDF Reader nor KeepVid shows ads.
Which is updated more often, PDF Reader or KeepVid?
PDF Reader ships an update every 4 months, and KeepVid every 3 weeks. Most recently, PDF Reader was updated on October 30, 2026 and KeepVid on October 31, 2026.

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