# PDF Splitter + PDF Merge vs OBJ Viewer

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.

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.

## The numbers

| Metric | PDF Splitter + PDF Merge | OBJ Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (139 ratings)](https://appshunter.io/ios/app/pdf-splitter-plus-pdf-merge/id651952889/reviews)** | — |
| Number of ratings | **139** | — |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 1 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [青青 余](https://appshunter.io/developer/633344484) | [Shota Sukhiashvili](https://appshunter.io/developer/1843072730) |

## What reviewers say

### PDF Splitter + PDF Merge

[App page](https://appshunter.io/ios/app/pdf-splitter-plus-pdf-merge/id651952889)

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.

**Highlights:** Extract pages from PDF, Merge specified pages of multiple PDFs, Merge password-protected PDFs, Combine PDFs into one

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock（without restriction） | $3.99 | one-time |
| Unlock iOS without restriction | $3.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Quick and efficient
- 🚀 Intuitive interface
- 👍 Reliable and consistent
- 👍 Excellent value for free app

**What reviewers complain about**

- 🐛 Issues with sorting/reordering files
- 🐛 Limitations on number of files
- 🔧 Outdated or basic interface design
- 💰 Requests payment after trial period

**Reported bugs**

- Corrupts text in merged PDF documents
- Paid version does not work as expected

**Requested features**

- Add page preview functionality
- Allow merging of other file types (not just PDFs)
- Improve file sorting/reordering capabilities
- Provide more customization options


### OBJ Viewer

[App page](https://appshunter.io/ios/app/obj-viewer-view-3d-models/id6803442606)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDF Splitter + PDF Merge free?

PDF Splitter + PDF Merge is free to download, with in-app purchases available.

### Is OBJ Viewer free?

OBJ Viewer is free to download, with no in-app purchases.

### Do PDF Splitter + PDF Merge or OBJ Viewer have ads?

Neither PDF Splitter + PDF Merge nor OBJ Viewer shows ads.

### Which is updated more often, PDF Splitter + PDF Merge or OBJ Viewer?

PDF Splitter + PDF Merge ships an update every 3 months, and OBJ Viewer every 6 days. Most recently, PDF Splitter + PDF Merge was updated on October 14, 2026 and OBJ Viewer on October 7, 2026.

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