objManager vs PDF Compression
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
objManager
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"objManager" is a Wavefront .OBJ file viewer (3D models with .obj + .mtl file extension). With "objManager" you will have the ability to: 1) save your 3D models on your mobile device 2) display the 3D models in any times and under any working condition (no Internet connection is required) 3) create images of your 3D model using the HD rendering procedure (with anti-aliasing and image enhancement filters) 4) choose the background color 5) move the light where You want in the 3D world The software does not need an internet connections: each 3D model is stored in your mobile device (using the technology "iTunes File Sharing" or "Open In") and can be read and visualized by objManager. objManager works like the integrated image viewer of the device, you can then: - ZOOM IN / ZOOM OUT the 3D model by dragging two fingers on the screen or using the ZOOM controls - Rotate the 3D model (ROTATE TOOL) by dragging a finger across the screen - Move the 3D model (PAN TOOL) using the PAN controls - Load the 3D model (from the obj files archive of objManager; 3D models are displayed in alphabetical order into the "obj Archive" of "objManager") - Save an infinite number of 3D models into the "obj Archive" of "objManager" (until the physical memory of the device is ended) - Share 3D models ( .obj files ) with File, Google Drive, DROPBOX, iFolders Safe, etc... or from iCloud Drive or other installed apps (cloud sharing: OUT) - Import 3D models from the web links, email attachments, File, Google Drive, DROPBOX, iFolders Safe, iCloud Drive or other installed apps (cloud sharing: IN) Compatibility with: 1) Maya 3D 2) Blender 3) 3D Studio 4) Finger3D 5) FingerCAD 6) Unity 7) 3D modeling software with export to .obj feature (or .obj + .mtl) If "objManager" is not enough for your aim, try the complete 3D modeler: Finger3D. "objManager" can also be used to view the .obj + .mtl models created with Finger3D in full screen (with orientation: Portrait).
PDF Compression
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.
- 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
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Do you need to reduce the size of your PDF files quickly, easily, and for free? Our app is the perfect solution! Designed specifically for those who want to compress PDFs to the maximum without losing quality, this tool is ideal for students, professionals, or anyone who wants to optimize storage space and improve digital document management. With our PDF compression app, you can: • Compress PDFs for free and in Spanish. • Reduce the size of large files, such as compressing PDFs to 2 MB, 1 MB, or even smaller. • Optimize documents for easy emailing or sharing on online platforms. • Use advanced features such as compressing PDF documents without losing quality or converting them to other formats, like ZIP. • Process multiple files at once with the “compress multiple PDFs” option. Main Features: • Fast and efficient compression: Whether you need to reduce a PDF to meet a megabyte limit or simply optimize it for your device, our app ensures high-quality results. • User-friendly interface: Designed in Spanish, intuitive and easy to use for all users. • Compatible with your needs: Looking for apps to compress images to PDF or reduce document sizes for cloud storage? Here’s the solution. • Advanced options: In addition to free PDF compression, the app allows you to reduce PDF size to the maximum without affecting text or image quality. Why choose this app? • One of the best free PDF compression apps. • Supports large files, such as PDFs of 10 MB or more, according to your needs. • You can compress PDFs in Spanish without complicated settings. • Delivers excellent results for reducing PDF size for free in seconds. Whether you need to compress a PDF or optimize it for specific purposes, this tool is ideal for you. Discover how easy it is to compress PDF files for free in Spanish and reduce their size with just a few clicks. Use it for: • Compressing PDF documents for work or academic projects. • Reducing megabytes in large documents and sending them via email. • Saving space on your phone or tablet without losing important data. • Optimizing PDFs for websites or collaborative work platforms. Download this amazing PDF compression app now and find out why it’s a favorite among users who need to reduce PDF size easily. Try its powerful features and start saving space today!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | objManager | PDF Compression |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 38 months | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Best chart rank | #174 — better | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 — better | 18.5 |
| Further details — not scored | ||
| Size | 3 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Gianluca Natalini | Antonio Gonzalez de la aleja german |
In-app purchases
objManager
No in-app purchases
PDF Compression
- Remove Ads$2.99
Questions
Is objManager free?
Is PDF Compression free?
Do objManager or PDF Compression have ads?
Which is updated more often, objManager or PDF Compression?
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