# objManager vs PDF Compression

The clearest difference is price: PDF Compression at Free against objManager's $0.99. PDF Compression also leads on update cadence (every 4 days vs every 38 months). objManager's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

PDF Compression is free to download; objManager costs $0.99 up front. PDF Compression sells 1 one-off in-app purchase. objManager asks for nothing beyond the download.

objManager ships an update every 38 months, PDF Compression every 4 days. The most recent releases landed on August 31, 2026 and July 3, 2026 respectively.

## The numbers

| Metric | objManager | PDF Compression |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/pdf-compression/id6752516285/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | **#174** | — |
| Size | 3 MB | 19 MB |
| Requires iOS | **16.6** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [Antonio Gonzalez de la aleja german](https://appshunter.io/developer/1839645711) |

## What reviewers say

### objManager

[App page](https://appshunter.io/ios/app/objmanager/id464239570)

**Currently charting:** #174 Top Paid · Productivity (US App Store)

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

**In-app purchases:** none


### PDF Compression

[App page](https://appshunter.io/ios/app/pdf-compression/id6752516285)

Easily reduce the size of your PDF files without sacrificing quality. This tool is perfect for students and professionals needing to optimize documents for storage, email, or sharing. Compress multiple files quickly and efficiently.

**Highlights:** Compress PDFs for free, Reduce file size to specific megabytes, Optimize documents for email and sharing, Compress multiple PDFs at once, Maintain document quality during compression, Convert PDFs to ZIP format

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is objManager free?

objManager costs $0.99, with no in-app purchases.

### Is PDF Compression free?

PDF Compression is free to download, with in-app purchases available.

### Do objManager or PDF Compression have ads?

PDF Compression shows ads; objManager does not.

### Which is updated more often, objManager or PDF Compression?

objManager ships an update every 38 months, and PDF Compression every 4 days. Most recently, objManager was updated on August 31, 2026 and PDF Compression on July 3, 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.*