# FMS Calculator vs NAVADMIN Viewer

The clearest difference is rating: NAVADMIN Viewer at 4.6 against FMS Calculator's 1.7. NAVADMIN Viewer also leads on update cadence (every 2 days vs every 6 months) and ratings volume (1.1K vs 67). FMS Calculator'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. FMS Calculator asks for nothing beyond the download.

NAVADMIN Viewer holds the better App Store score, 4.6 against 1.7. That said, the two scores are not equally well evidenced: NAVADMIN Viewer has 1.1K ratings behind it against 67, so its average is the more settled of the two. Written reviews point the same way: 20% of FMS Calculator's written reviews are positive against 30% of NAVADMIN Viewer's.

FMS Calculator ships an update every 6 months, NAVADMIN Viewer every 2 days. The most recent releases landed on July 5, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | FMS Calculator | NAVADMIN Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (67 ratings)](https://appshunter.io/ios/app/fms-calculator/id1031676371/reviews) | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/navadmin-viewer/id1345135985/reviews)** |
| Number of ratings | 67 | **1.1K** |
| Positive reviews | 20.0% of reviews | **29.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 71 MB | 3 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Program Executive Office for Enterprise Information Systems, Sea Warrior Program](https://appshunter.io/developer/1477503418) | [Anson Liu](https://appshunter.io/developer/1024660369) |

## What reviewers say

### FMS Calculator

[App page](https://appshunter.io/ios/app/fms-calculator/id1031676371)

This app calculates potential Final Multiple Scores (FMS) for enlisted Sailors eligible for advancement. It allows users to explore "what if" scenarios by inputting FMS elements and provides historical data and graphical breakdowns. The app also links to relevant Navy advancement policies and guidance.

**Highlights:** FMS "what if" scenario calculation, Historical FMS score comparison, Graphical FMS breakdown, Pay grade-specific scoring, Links to Navy advancement policies

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is FMS Calculator free?

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

### Is NAVADMIN Viewer free?

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

### Which has better reviews, FMS Calculator or NAVADMIN Viewer?

NAVADMIN Viewer is rated higher. FMS Calculator averages 1.7 out of 5 from 67 ratings, while NAVADMIN Viewer averages 4.6 from 1.1K ratings.

### Do FMS Calculator or NAVADMIN Viewer have ads?

Neither FMS Calculator nor NAVADMIN Viewer shows ads.

### Which is updated more often, FMS Calculator or NAVADMIN Viewer?

FMS Calculator ships an update every 6 months, and NAVADMIN Viewer every 2 days. Most recently, FMS Calculator was updated on July 5, 2026 and NAVADMIN Viewer on September 16, 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.*