Comparison

Decoder for US Navy vs NAVADMIN Viewer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Decoder for US Navy

This app provides a quick reference for US Navy personnel and other codes, saving users time searching through official documents. It focuses on codes found in manning documents like RUADs and AMDs, offering instant access to information.

Highlights
  • Personnel code reference
  • Manning document codes
  • Enlisted rating codes
  • Officer billet codes
  • Reserve program codes
  • Open source project support
Features
Read full description

This application is not officially endorsed or sponsored by the US Navy. This app is a quick reference guide to many US Navy personnel and other codes. Instead of spending the time to find the correct reference and look up the information, this app will allow one to quickly get to the answer. The main focus currently is on personnel related codes that will be found in manning documents such as RUADs and AMDs. Current items decoded: - Additional Qualification Designations - Enlisted Rating Codes - IMS Codes - MAS Codes - Officer Billet Codes - Officer Designators - Officer Paygrade Codes - Navy Reserve Activity Codes - NOBC Codes - RBSC Billet Codes - Reserve Program Codes - Reserve Unit Identification Codes - RFAS Codes - Subspecialty Codes - NECs See how you can support this open source project: https://github.com/ctd-mh3/NavyDecoder-OpenSource-iOS

About

NAVADMIN Viewer

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
Read full description

Read and search Navy and Marine Corps messages. Get notified when new messages are available. NAVADMIN, ALNAV, MARADMIN, and ALMAR messages are stored locally for offline viewing and search. Search across all messages without opening individual files. NAVADMIN Viewer automatically notifies you about the latest messages as they are released. Messages are stored locally and available for offline viewing. Referenced publications within a message are automatically highlighted for quick viewing and search. Star messages for quick access. Message statistics show recent stars and views. Choose from a variety of reading fonts in Settings. Older messages may require a short delay to view. Optional Extended Access lets you view all messages without waiting. Additional features: - Messages in Spotlight Search - Siri Shortcuts - Home Screen Quick Actions - Handoff NAVADMINs and ALNAVs are Navy administrative messages. MARADMINs and ALMARs are Marine Corps administrative messages. This app comes with No Warranty of Accuracy. All data is provided as is and the user is responsible for verifying any data with offical sources. Use of this app is subject to the Terms of Use (EULA) at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.

Screenshots

Decoder for US Navy4 screens
NAVADMIN Viewer4 screens

Verdict

The call

The clearest difference is in-app purchases: Decoder for US Navy at none against NAVADMIN Viewer's 1. Decoder for US Navy also leads on review sentiment (63% vs 30%). NAVADMIN Viewer's advantage is update cadence (every 2 days vs every 2 months) and ratings volume (1.1K vs 176). On price, rating, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Decoder for US Navy holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: NAVADMIN Viewer has 1.1K ratings behind it against 176, so its average is the more settled of the two. Written reviews point the same way: 63% of Decoder for US Navy's written reviews are positive against 30% of NAVADMIN Viewer's.

UpkeepUpdate frequency

Decoder for US Navy ships an update every 2 months, NAVADMIN Viewer every 2 days. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
Decoder for US Navy versus NAVADMIN Viewer: the parameters behind the verdict, then further details
ParameterDecoder for US NavyNAVADMIN Viewer
PriceFreeFree
Rating4.8 (176 ratings) — better4.6 (1.1K ratings)
Positive reviews62.5% of reviews — better29.5% of reviews
Number of ratings1761.1K — better
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18
Further details — not scored
Size68 MB15 MB
Age rating4+4+
DeveloperCrash Test Dummy Limited, LLCAnson Liu

Customer experience

Decoder for US Navy

All ratings176 ratings
Positive94.9%
Neutral2.3%
Negative2.8%
Written reviews8 reviews
Positive62.5%
Neutral12.5%
Negative25.0%

NAVADMIN Viewer

All ratings1,100 ratings
Positive90.8%
Neutral3.5%
Negative5.7%
Written reviews44 reviews
Positive29.5%
Neutral4.5%
Negative65.9%

Bugs and requests

Decoder for US Navy

Not enough reviews yet to summarise bugs or requests.

NAVADMIN Viewer

Reported bugs

2 issues
  • App crashing or shutting down
  • Compatibility issues with device updates

Requested features

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

In-app purchases

None

Decoder for US Navy

No in-app purchases

1 purchases

NAVADMIN Viewer

Subscriptions1
  • Extended Access1 Year trial$14.991 Year

Questions

Is Decoder for US Navy free?
Decoder for US Navy 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, Decoder for US Navy or NAVADMIN Viewer?
Decoder for US Navy is rated higher. Decoder for US Navy averages 4.8 out of 5 from 176 ratings, while NAVADMIN Viewer averages 4.6 from 1.1K ratings.
Do Decoder for US Navy or NAVADMIN Viewer have ads?
Neither Decoder for US Navy nor NAVADMIN Viewer shows ads.
Which is updated more often, Decoder for US Navy or NAVADMIN Viewer?
Decoder for US Navy ships an update every 2 months, and NAVADMIN Viewer every 2 days. Most recently, Decoder for US Navy was updated on November 6, 2026 and NAVADMIN Viewer on November 4, 2026.

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