# Oracle Primavera P6 EPPM vs iProject Viewer

The clearest difference is rating: iProject Viewer at 3.7 against Oracle Primavera P6 EPPM's 2.6. iProject Viewer also leads on review sentiment (26% vs 17%). Oracle Primavera P6 EPPM's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 15.0). On price, ratings volume, update cadence 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. Oracle Primavera P6 EPPM asks for nothing beyond the download.

iProject Viewer holds the better App Store score, 3.7 against 2.6. Both are backed by a comparable volume of ratings — 12 and 17 respectively. Written reviews point the same way: 17% of Oracle Primavera P6 EPPM's written reviews are positive against 26% of iProject Viewer's.

Oracle Primavera P6 EPPM ships an update every 2 months, iProject Viewer every 3 months. The most recent releases landed on August 12, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | Oracle Primavera P6 EPPM | iProject Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (12 ratings)](https://appshunter.io/ios/app/oracle-primavera-p6-eppm/id457533019/reviews) | **[3.7 (17 ratings)](https://appshunter.io/ios/app/iproject-viewer/id463199295/reviews)** |
| Number of ratings | 12 | **17** |
| Positive reviews | 16.7% of reviews | **26.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 95 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oracle America, Inc.](https://appshunter.io/developer/284793707) | [Housatonic.com](https://appshunter.io/developer/463199298) |

## What reviewers say

### Oracle Primavera P6 EPPM

[App page](https://appshunter.io/ios/app/oracle-primavera-p6-eppm/id457533019)

This app allows field team members to update project activity progress and submit timesheets directly from their mobile devices. It enables viewing activity details, attaching media, and synchronizing changes offline. A demo mode is available for evaluation.

**Highlights:** Update activity progress, Submit timesheets, View activity details, Attach pictures and markup, Offline mode synchronization, Customizable activity list, View activity location on map

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Oracle Primavera P6 EPPM free?

Oracle Primavera P6 EPPM is free to download, with no in-app purchases.

### Is iProject Viewer free?

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

### Which has better reviews, Oracle Primavera P6 EPPM or iProject Viewer?

iProject Viewer is rated higher. Oracle Primavera P6 EPPM averages 2.6 out of 5 from 12 ratings, while iProject Viewer averages 3.7 from 17 ratings.

### Do Oracle Primavera P6 EPPM or iProject Viewer have ads?

Neither Oracle Primavera P6 EPPM nor iProject Viewer shows ads.

### Which is updated more often, Oracle Primavera P6 EPPM or iProject Viewer?

Oracle Primavera P6 EPPM ships an update every 2 months, and iProject Viewer every 3 months. Most recently, Oracle Primavera P6 EPPM was updated on August 12, 2026 and iProject Viewer on August 24, 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.*