# HoGo Viewer vs 3D PDF Viewer

The clearest difference is rating: HoGo Viewer at 3.0 against 3D PDF Viewer's 1.5. HoGo Viewer also leads on update cadence (every 2 months vs every 10 months). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HoGo Viewer holds the better App Store score, 3.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

HoGo Viewer ships an update every 2 months, 3D PDF Viewer every 10 months. The most recent releases landed on August 30, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | HoGo Viewer | 3D PDF Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hogo-viewer/id540674502/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/3d-pdf-viewer/id919857557/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free | Free |
| Size | 52 MB | 21 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iDoc K.K.](https://appshunter.io/developer/410797244) | [ProtoTech Solutions and Services Pvt. Ltd.](https://appshunter.io/developer/365252924) |

## What reviewers say

### HoGo Viewer

[App page](https://appshunter.io/ios/app/hogo-viewer/id540674502)

Access and organize protected PDF documents sent via a web service. Securely view files offline, back them up to a cloud library, and share them across your devices.

**Highlights:** Receive and download HoGo documents, Offline document viewing, Organize documents, Cloud Library backup, Share documents across devices

**In-app purchases:** none


### 3D PDF Viewer

[App page](https://appshunter.io/ios/app/3d-pdf-viewer/id919857557)

View and interact with 3D models embedded in PDF files on your mobile device. Easily zoom, pan, and rotate models using intuitive multi-touch gestures. Load files directly from cloud storage services like Dropbox and Google Drive.

**Highlights:** 3D PDF model rendering (.prc), Multi-touch gestures (zoom, pan, rotate), Import from cloud storage, Open password-protected PDFs, Integrated Box and Dropbox browsing, Supports meshes and colors

**In-app purchases:** none


## Frequently asked questions

### Is HoGo Viewer free?

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

### Is 3D PDF Viewer free?

3D PDF Viewer is free to download, with no in-app purchases.

### Which has better reviews, HoGo Viewer or 3D PDF Viewer?

HoGo Viewer is rated higher. HoGo Viewer averages 3.0 out of 5 from 2 ratings, while 3D PDF Viewer averages 1.5 from 2 ratings.

### Do HoGo Viewer or 3D PDF Viewer have ads?

Neither HoGo Viewer nor 3D PDF Viewer shows ads.

### Which is updated more often, HoGo Viewer or 3D PDF Viewer?

HoGo Viewer ships an update every 2 months, and 3D PDF Viewer every 10 months. Most recently, HoGo Viewer was updated on August 30, 2026 and 3D PDF Viewer on June 4, 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.*