DocuNet Viewer vs E
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DocuNet Viewer
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.
- Offline manual access
- Tabbed multi-document viewing
- Fast intelligent searching
- Bookmarking
- MSN/audience filtering
- Layered manuals
- Automatic updates
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For airlines using Vistair's acclaimed industry leading Flight Operations Technical Publications service, this is the iPad application that you can deploy to your crew to enable them to access their flight operations manuals offline. *This app requires your airline to have a DocuNet contract with Vistair to function in an operational environment* Functionality includes tabbed, multi-document viewing, fast intelligent searching across your manual library with highlighted results, bookmarking, MSN/audience filtering and Layers for applicable manuals and access to your latest manuals of all manufacturers including Boeing and Airbus from the Vistair technical publications service. Updates are delivered directly to your iPad. Simple to use and navigate, its quick access and elegant design gives you access to your manual library wherever you are. The Vistair DocuNet service includes the full back-end management of content to all devices in your fleet and visibility of update and revision status down to each device with full access control.
E
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.
- Interactive online courses
- Real-time simulation effects
- Offline course access
- Online and offline assessments
- PC LMS integration
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E-PSAA-A321 App is an advanced learning management system application that will enable our subscribers to seamlessly undertake online training courses and assessments. The courses that the users will undertake are highly interactive and has real-time simulation effects. The E-PSAA-A321 App was developed by Navcon Aerospace to increase the accessibility of our Computer Based Training courses. Using the E-PSAA-A321 app the course reading and assessment can be undertaken either in the online mode or the offline mode. The E-PSAA-A321 App also integrates with the mainstream PC based Learning Management System for an exchange of course reading data and user settings.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | DocuNet Viewer | E |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (4 ratings) | 1.0 (4 ratings) |
| Positive reviews | 7.1% of reviews | — |
| Number of ratings | 4 | 4 |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 166 MB | 424 MB |
| Age rating | 17+ | 4+ |
| Developer | Vistair Systems Ltd | Mohammed S AlHarbi |
Customer experience
DocuNet Viewer
E
In-app purchases
DocuNet Viewer
No in-app purchases
E
No in-app purchases








