# iProject Viewer vs Mobilium Studio

The clearest difference is rating: Mobilium Studio at 5.0 against iProject Viewer's 3.7. Mobilium Studio also leads on in-app purchases (none vs 2). iProject Viewer's advantage is update cadence (every 3 months vs every 29 months) and ratings volume (17 vs 1). On price and ads there is nothing between them.

Both are free to download. iProject Viewer sells 2 in-app purchases, starting at $19.99 per year. Mobilium Studio asks for nothing beyond the download.

Mobilium Studio holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: iProject Viewer has 17 ratings behind it against 1, so its average is the more settled of the two.

iProject Viewer ships an update every 3 months, Mobilium Studio every 29 months. The most recent releases landed on October 12, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | iProject Viewer | Mobilium Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (17 ratings)](https://appshunter.io/ios/app/iproject-viewer/id463199295/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mobilium-studio/id1475761533/reviews)** |
| Number of ratings | **17** | 1 |
| Positive reviews | 25.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 29 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 80 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 17+ |
| Developer | [Housatonic.com](https://appshunter.io/developer/463199298) | [Vuzix Corporation](https://appshunter.io/developer/1002043118) |

## What reviewers say

### iProject Viewer

[App page](https://appshunter.io/ios/app/iproject-viewer/id463199295)

View, edit, and create Microsoft Project plans on your iOS device. Access files from cloud storage and email, with advanced editing and viewing options available through in-app purchases.

**Highlights:** Open MS Project files from cloud storage, Create new Gantt charts, Edit and save existing MS Project plans, View Gantt, Task, and Resource Sheets, Advanced sorting and filtering, Network Diagram view, Print project info to PDF

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced View-Only | $19.99 | per year |
| Standard Editor | $129.99 | per year |


### Mobilium Studio

[App page](https://appshunter.io/ios/app/mobilium-studio/id1475761533)

This app allows developers and business analysts to configure, fix, and enhance supply chain, manufacturing, and asset maintenance application systems. It provides tools for workflow configuration, UI screen design, and API integration with enterprise systems.

**Highlights:** Configure workflows, Design UI screens, API interface configuration, Workflow testing and debugging, Deploy to mobile devices, Cloud-based services connection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iProject Viewer free?

iProject Viewer is free to download, with in-app purchases available.

### Is Mobilium Studio free?

Mobilium Studio is free to download, with no in-app purchases.

### Which has better reviews, iProject Viewer or Mobilium Studio?

Mobilium Studio is rated higher. iProject Viewer averages 3.7 out of 5 from 17 ratings, while Mobilium Studio averages 5.0 from 1 ratings.

### Do iProject Viewer or Mobilium Studio have ads?

Neither iProject Viewer nor Mobilium Studio shows ads.

### Which is updated more often, iProject Viewer or Mobilium Studio?

iProject Viewer ships an update every 3 months, and Mobilium Studio every 29 months. Most recently, iProject Viewer was updated on October 12, 2026 and Mobilium Studio on September 27, 2026.

---

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