PDF Splitter + PDF Merge vs OBJ Viewer
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
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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.
OBJ Viewer
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Easily open and inspect 3D files directly on your device. Designed for speed and clarity, this 3D file viewer lets you preview models, check geometry, and view parts in clean real-time 3D. Core Features: • Smooth orbit, pan, and zoom controls • Exploded part separation slider • Wireframe and solid mesh rendering modes • Studio lighting and environment presets • Support for .usdz and .obj formats • High-resolution snapshot capture and sharing Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://shotexstudio.com/3d-model-viewer-obj-usdz-dae/
Screenshots
Verdict
The clearest difference is in-app purchases: OBJ Viewer at none against PDF Splitter + PDF Merge's 2. OBJ Viewer also leads on update cadence (every 6 days vs every 3 months). PDF Splitter + PDF Merge's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 17.6). On price and ads 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. OBJ Viewer asks for nothing beyond the download.
PDF Splitter + PDF Merge ships an update every 3 months, OBJ Viewer every 6 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | PDF Splitter + PDF Merge | OBJ Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (139 ratings) — better | — |
| Positive reviews | 88.2% of reviews | — |
| Number of ratings | 139 — better | — |
| Update frequency | Every 3 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 4+ | 12+ |
| Developer | 青青 余 | Shota Sukhiashvili |
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
OBJ Viewer
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
OBJ Viewer
No in-app purchases
Questions
Is PDF Splitter + PDF Merge free?
Is OBJ Viewer free?
Do PDF Splitter + PDF Merge or OBJ Viewer have ads?
Which is updated more often, PDF Splitter + PDF Merge or OBJ Viewer?
Other comparisons
