# PDF Reader vs KeepVid

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.

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.

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.

## The numbers

| Metric | PDF Reader | KeepVid |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pdf-reader-for-pdf-reading/id6756018034/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 9 MB | 70 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [乐祥 胡](https://appshunter.io/developer/1572365721) | [子辉 杨](https://appshunter.io/developer/1858325944) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-for-pdf-reading/id6756018034)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFReader Premium - monthly | $1.99 | per month |
| PDFReader Premium - yearly | $14.99 | per year |
| PDFReader Premium - lifetime | $69.99 | one-time |


### KeepVid

[App page](https://appshunter.io/ios/app/keepvid-media-player-and-vault/id6758775496)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quying Pro Weekly | $4.99 | per 7 days |
| Quying Pro Monthly | $9.99 | per month |
| Quying Pro Annual | $39.99 | per year |


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*