PDF Splitter + PDF Merge vs China Key
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Splitter + PDF Merge
Easily combine multiple PDF files into a single document or extract specific pages from existing PDFs. This tool supports merging password-protected files if the password is known.
- Extract pages from PDF
- Merge specified pages of multiple PDFs
- Merge password-protected PDFs
- Combine PDFs into one
Read full descriptionHide full description
PDF Merge & PDF Splitter + is a very easy-to-use app that allows you to quickly merge specified pages of multiple PDFs into one pdf. You can also use it to extract pages from pdf. Key Features: ● Extract page(s) of PDF. ● Merge specified pages of multiple PDFs into one PDF. ● Merge password-protected PDF, but you must know the password. ● The name is also PDF Merge & PDF Splitter + on the MacOS platform, more powerful and easier to use. ● Contact us If you have any questions, please feel free to contact us by email. Email address : tzq17888@163.com.
China Key
Read full descriptionHide full description
Stay connected with your shipments in real-time! The ChinaKey App lets you monitor your orders from start to finish. Receive instant updates on shipment status, estimated delivery times, and more—all from the convenience of your mobile device. With a user-friendly interface and reliable notifications, you’ll never lose sight of your packages again. Download the ChinaKey App today and experience shipping like never before!
Screenshots
Verdict
The clearest difference is in-app purchases: China Key at none against PDF Splitter + PDF Merge's 2. PDF Splitter + PDF Merge's advantage is update cadence (every 3 months vs every 11 months) and device support (4 vs 2). On price, ads and iOS requirement 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 Splitter + PDF Merge sells 2 one-off in-app purchases. China Key asks for nothing beyond the download.
PDF Splitter + PDF Merge ships an update every 3 months, China Key every 11 months. The most recent releases landed on October 23, 2026 and October 27, 2026 respectively.
| Parameter | PDF Splitter + PDF Merge | China Key |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (140 ratings) — better | — |
| Positive reviews | 88.2% of reviews | — |
| Number of ratings | 140 — better | — |
| Update frequency | Every 3 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 4 MB | 28 MB |
| Age rating | 4+ | +17 |
| Developer | 青青 余 | MEGABEE SAL |
Bugs and requests
PDF Splitter + PDF Merge
Reported bugs
2 issues- Corrupts text in merged PDF documents
- Paid version does not work as expected
Requested features
4 requests- Add page preview functionality
- Allow merging of other file types (not just PDFs)
- Improve file sorting/reordering capabilities
- Provide more customization options
China Key
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF Splitter + PDF Merge
- Unlock(without restriction)$3.99
- Unlock iOS without restriction$3.99
China Key
No in-app purchases
Questions
Is PDF Splitter + PDF Merge free?
Is China Key free?
Do PDF Splitter + PDF Merge or China Key have ads?
Which is updated more often, PDF Splitter + PDF Merge or China Key?
Other comparisons















