# DocuNet Viewer vs Centrik

The clearest difference is rating: Centrik at 5.0 against DocuNet Viewer's 1.0. Centrik also leads on review sentiment (17% vs 7%). DocuNet Viewer's advantage is ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Centrik holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 7% of DocuNet Viewer's written reviews are positive against 17% of Centrik's.

DocuNet Viewer ships an update every 6 weeks, Centrik monthly. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | DocuNet Viewer | Centrik |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/docunet-viewer/id857810655/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/centrik/id858113364/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 7.1% of reviews | **16.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 166 MB | 90 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Vistair Systems Ltd](https://appshunter.io/developer/478879616) | [TrustFlight Limited](https://appshunter.io/developer/1330978495) |

## 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

**What reviewers like**

- 👍 Search and filter functions work well
- 👍 App works acceptably for iPad

**What reviewers complain about**

- 🐛 Keeps crashing
- 🐛 Freezes and locks up
- 🐛 Very slow to open
- 🐛 Unresponsive and clunky
- 🐛 App crashes instantly upon launch on Macbook

**Reported bugs**

- App freezes and locks up after making a selection or completing an action
- Selecting a search result loads a different page
- App crashes on M1/M2 Macs
- Highlights and bookmarks are difficult to differentiate
- App crashes instantly upon launch on Macbook

**Requested features**

- Dark mode overhaul
- Widget for favorites/bookmarks
- Ability to collapse side library
- Improve dark mode for pictures
- Update to support iPad Pro screen sizes


### Centrik

[App page](https://appshunter.io/ios/app/centrik/id858113364)

This app serves as an Electronic Flight Bag, enabling users to access and manage flight documents and forms offline. It synchronizes data when an internet connection is available, providing a seamless interface for flight operations.

**Highlights:** Offline document access, Offline form completion, Data synchronization, Seamless interface, Electronic Flight Bag functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DocuNet Viewer free?

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

### Is Centrik free?

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

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

Centrik is rated higher. DocuNet Viewer averages 1.0 out of 5 from 4 ratings, while Centrik averages 5.0 from 1 ratings.

### Do DocuNet Viewer or Centrik have ads?

Neither DocuNet Viewer nor Centrik shows ads.

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

DocuNet Viewer ships an update every 6 weeks, and Centrik monthly. Most recently, DocuNet Viewer was updated on October 14, 2026 and Centrik on October 20, 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.*