# NAVADMIN Viewer vs MCCS ERR Support

The clearest difference is rating: NAVADMIN Viewer at 4.6 against MCCS ERR Support's 3.3. NAVADMIN Viewer also leads on update cadence (every 2 days vs every 6 weeks) and review sentiment (30% vs 0%). MCCS ERR Support's advantage is in-app purchases (none vs 1). On price, ads and device support there is nothing between them.

Both are free to download. NAVADMIN Viewer sells 1 in-app purchase, starting at $14.99 per year. MCCS ERR Support asks for nothing beyond the download.

NAVADMIN Viewer holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: NAVADMIN Viewer has 1.1K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 30% of NAVADMIN Viewer's written reviews are positive against 0% of MCCS ERR Support's.

NAVADMIN Viewer ships an update every 2 days, MCCS ERR Support every 6 weeks. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | NAVADMIN Viewer | MCCS ERR Support |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/navadmin-viewer/id1345135985/reviews)** | [3.3 (4 ratings)](https://appshunter.io/ios/app/mccs-err-support/id1634621151/reviews) |
| Number of ratings | **1.1K** | 4 |
| Positive reviews | **29.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 16 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anson Liu](https://appshunter.io/developer/1024660369) | [BUSINESS AND SUPPORT SERVICES](https://appshunter.io/developer/1450836994) |

## What reviewers say

### NAVADMIN Viewer

[App page](https://appshunter.io/ios/app/navadmin-viewer/id1345135985)

Access and search official Navy and Marine Corps administrative messages on your mobile device. View messages offline, find referenced publications easily, and utilize features like Spotlight Search and Siri Shortcuts. An experimental tool can even identify military ribbons and medals.

**Highlights:** Searchable message database, Offline message viewing, Automatic message fetching, Highlighted referenced publications, Experimental Uniform Detector, Customizable font options

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extended Access | $14.99 | per year |

**What reviewers like**

- 👍 Convenient and easy to use
- 🚀 Efficient for quick reference
- 💡 Useful for teaching young sailors

**What reviewers complain about**

- 💰 Paywall for accessing older messages
- 🔓 Free alternative available on website
- 🐛 App not updating with new messages

**Reported bugs**

- App crashing or shutting down
- Compatibility issues with device updates

**Requested features**

- Add widgets for quick access
- Include more Navy resources (ALNAV, FORCM, etc.)
- Improve notification system


### MCCS ERR Support

[App page](https://appshunter.io/ios/app/mccs-err-support/id1634621151)

Access information on resources for Marines within the Eastern Recruiting Region, covering the 1st, 4th, and 6th Marine Corps Districts. This reference tool helps Marines find available support and services.

**Highlights:** Resource information, Eastern Recruiting Region, 1st Marine Corps District, 4th Marine Corps District, 6th Marine Corps District, Support services

**In-app purchases:** none


## Frequently asked questions

### Is NAVADMIN Viewer free?

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

### Is MCCS ERR Support free?

MCCS ERR Support is free to download, with no in-app purchases.

### Which has better reviews, NAVADMIN Viewer or MCCS ERR Support?

NAVADMIN Viewer is rated higher. NAVADMIN Viewer averages 4.6 out of 5 from 1.1K ratings, while MCCS ERR Support averages 3.3 from 4 ratings.

### Do NAVADMIN Viewer or MCCS ERR Support have ads?

Neither NAVADMIN Viewer nor MCCS ERR Support shows ads.

### Which is updated more often, NAVADMIN Viewer or MCCS ERR Support?

NAVADMIN Viewer ships an update every 2 days, and MCCS ERR Support every 6 weeks. Most recently, NAVADMIN Viewer was updated on October 21, 2026 and MCCS ERR Support on October 17, 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.*