# DocuNet Viewer vs E

The clearest difference is device support: DocuNet Viewer at 3 against E's 1. E's advantage is iOS requirement (9.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 1.0 for DocuNet Viewer against 1.0 for E. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

DocuNet Viewer ships an update every 6 weeks, E monthly. The most recent releases landed on October 1, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | DocuNet Viewer | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/docunet-viewer/id857810655/reviews) | [1.0 (4 ratings)](https://appshunter.io/ios/app/e-psaa-a321/id1318677433/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | 7.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 166 MB | 424 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 17+ | 4+ |
| Developer | [Vistair Systems Ltd](https://appshunter.io/developer/478879616) | [Mohammed S AlHarbi](https://appshunter.io/developer/1585946950) |

## What reviewers say

### DocuNet Viewer

[App page](https://appshunter.io/ios/app/docunet-viewer/id857810655)

Access flight operations manuals offline on your iPad. This app provides fast, intelligent searching, bookmarking, and filtering for your entire manual library, ensuring you always have the latest information from all manufacturers.

**Highlights:** Offline manual access, Tabbed multi-document viewing, Fast intelligent searching, Bookmarking, MSN/audience filtering, Layered manuals, Automatic updates

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

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-psaa-a321/id1318677433)

This learning management system app allows subscribers to access interactive online training courses and assessments with real-time simulation effects. It supports both online and offline modes and integrates with PC-based systems for data exchange.

**Highlights:** Interactive online courses, Real-time simulation effects, Offline course access, Online and offline assessments, PC LMS integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DocuNet Viewer free?

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

### Is E free?

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

### Which has better reviews, DocuNet Viewer or E?

DocuNet Viewer and E are both rated 1.0 out of 5 on the App Store, from 4 and 4 ratings respectively.

### Do DocuNet Viewer or E have ads?

Neither DocuNet Viewer nor E shows ads.

### Which is updated more often, DocuNet Viewer or E?

DocuNet Viewer ships an update every 6 weeks, and E monthly. Most recently, DocuNet Viewer was updated on October 1, 2026 and E on September 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.*