Comparison

FMS Calculator vs SeaBag

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

Head to head
About

FMS Calculator

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
Read full description

An official U.S. Navy mobile application produced by the PMW 240 Program This mobile app calculates “what if” Final Multiple Scores (FMS) for E4 to E6 enlisted Sailors eligible for advancement to pay grades E5 to E7. This calculator gives Sailors a total score based on the input of individual FMS elements and provides helpful information for navigating the FMS parameters and elements. The FMS Calculator app also provides an FMS pie chart breakdown and a historical view by branch class, exam rate, and group, if applicable. In this release, E4 has been removed from the mobile app, as E4 advancement is no longer determined by FMS. This release includes the latest E5/6/7 FMS minimum cut scores. KEY FEATURES -- FMS Calculator: A simple single-screen display enables users to populate FMS elements with data representing individual accomplishments and other required data. The calculator features drop-down menus and value inputs that allow users to explore “what if” scenarios. -- FMS History: The FMS Calculator app features numerical and graphical views of “what if” FMS scenarios compared to historical FMS minimum cut scores. -- Personalization: The FMS Calculator mobile app is programmed to account for the different formulas used at each pay grade and gives users the ability to display maximum points that can be accumulated for each element. -- Policy/Guidance: The app includes links to specific policy in the Navy Advancement Manual, NEAS NAVADMINS, and helpful Navy-sponsored websites with FAQs and NEAS information. FMS Content Notice: Some information contained in the application may be out of date or no longer valid. This information is checked periodically for accuracy and updated as needed via the release of periodic FMS software updates.

About

SeaBag

This app provides essential offline reference materials and tools for U.S. Navy Sailors. Access messages, regulations, calculators, and career planning utilities without an internet connection. Stay informed with push notifications for new messages and historical naval facts.

Highlights
  • Offline NAVADMIN & ALNAV search
  • Push notifications for new messages
  • MILPERSMAN, UCMJ, Uniform Regulations
  • Acronym decoder
  • BAH, Pay Charts, PFA/BCA calculators
  • SRB eligibility checker
  • Brag sheet builder
Features
Read full description

SeaBag is the offline-first Navy reference app built for U.S. Navy Sailors. Search messages, check references, run calculators, and keep key career tools close — even when signal is weak or unavailable. NAVADMIN & ALNAV SEARCH Search and read Navy Administrative Messages and ALNAVs by number, keyword, subject, or full message text. Open any message, search inside it, and quickly find the section that matters. SeaBag also includes readable summaries to help you get the key points faster. PUSH NOTIFICATIONS Get notified when new NAVADMIN or ALNAV messages are released. SeaBag syncs new messages when available, then keeps them ready for offline use. OFFLINE REFERENCES Browse practical Navy references without needing a browser tab or reliable connection: • MILPERSMAN — Search and browse Navy personnel manual articles • UCMJ — Full Uniform Code of Military Justice reference • Uniform Regulations — Covers, grooming, wear standards, and visual guidance • Correspondence Guide — Quick help for Navy letters, memos, formatting, and routing • Physical Readiness Guides — PFA, BCA, waivers, FEP, PRIMS, command responsibilities, and related readiness references ACRONYM DECODER Look up common Navy acronyms and terms offline. Useful for new Sailors, cross-rate work, admin tasks, and reading official messages faster. CALCULATORS & TOOLS Use practical calculators and quick-reference tools built around everyday Navy needs: • BAH — Basic Allowance for Housing by ZIP code, dependency status, and pay grade • Pay Charts — Active duty base pay by rank and years of service • PFA Standards — Physical Fitness Assessment pass/fail thresholds by age group • BCA Standards — Body Composition Assessment support • Advancement / FMS tools and other career-planning utilities SRB AWARD LEVELS Check current Selective Reenlistment Bonus eligibility by rating and NEC for both Active and TAR Sailors. Review Zone A, B, and C award ceilings, multipliers, and note references synced from official source data. BRAG SHEET Build and export a clean service record summary with awards, qualifications, education, commands, and other career highlights. Sync across devices with Google Drive. TODAY IN NAVAL HISTORY Read daily naval history articles with source-linked context and offline-friendly access after sync. OFFLINE FIRST SeaBag is designed for ships, duty sections, travel, and low-connectivity environments. Sync when you have a connection; use your references, calculators, and saved data when you do not. SeaBag is independently built and is not affiliated with, sponsored by, or endorsed by the U.S. Navy, Department of Defense, or any government agency. Always verify official requirements against the current source publication or command guidance.

Screenshots

FMS Calculator4 screens
SeaBag4 screens

Verdict

The call

The clearest difference is review sentiment: SeaBag at 100% against FMS Calculator's 20%. SeaBag also leads on rating (5.0 vs 1.7) and update cadence (every 5 days vs every 6 months). FMS Calculator's advantage is ratings volume (67 vs 10). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SeaBag holds the better App Store score, 5.0 against 1.7. That said, the two scores are not equally well evidenced: FMS Calculator has 67 ratings behind it against 10, 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 100% of SeaBag's.

UpkeepUpdate frequency

FMS Calculator ships an update every 6 months, SeaBag every 5 days. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
FMS Calculator versus SeaBag: the parameters behind the verdict, then further details
ParameterFMS CalculatorSeaBag
PriceFreeFree
Rating1.7 (67 ratings)5.0 (10 ratings) — better
Positive reviews20.0% of reviews100.0% of reviews — better
Number of ratings67 — better10
Update frequencyEvery 6 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size89 MB81 MB
Age rating12+4+
DeveloperProgram Executive Office for Enterprise Information Systems, Sea Warrior ProgramLong Cheung Ho

Customer experience

FMS Calculator

All ratings67 ratings
Positive16.4%
Neutral1.5%
Negative82.1%
Written reviews45 reviews
Positive20.0%
Neutral2.2%
Negative77.8%

SeaBag

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

FMS Calculator

Reported bugs

30 issues
  • App crashes when tapping 'Go to Calculator'
  • App crashes after clicking calculate fms
  • App crashes as soon as you click calculator
  • App crashes when you hit calculator after main opening screen
  • App keeps crashing
Show 25 more
  • App won't let you open
  • App crashes when you tap the calculator
  • App crashes when trying to use calculator
  • App crashes when selecting calculator
  • App crashes as soon as you click anything
  • App crashes when you open calculator
  • App doesn't work at all
  • App won't load calculator and crashes
  • App continues to crash when clicking 'calculator'
  • App closes as soon as you open calculator
  • App crashes when opening the calculator
  • App crashes everywhere
  • App doesn't work, just crashes
  • App doesn't go past main screen
  • App crashes every time calculator feature is clicked
  • App crashes when trying to calculate fam
  • App keeps crashing after deleting and redownloading
  • Can't open the calculator
  • App won't load past disclaimer
  • No way to put a decimal point for RSCA
  • App hasn't worked since new RSCA PMA change
  • Won't load past title screen
  • Can't select Exam Rate and Group, no list drops down
  • Incorrect minimum multiple for CE1 March 2018
  • PMA scale adjustment issues (bumps up or down)

Requested features

5 requests
  • Fix crashing bugs
  • Update formulas for new exams
  • Allow decimal input for RSCA
  • Add type-in or +/- option for PMA scale
  • Ensure app opens consistently

SeaBag

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

FMS Calculator

No in-app purchases

None

SeaBag

No in-app purchases

Questions

Is FMS Calculator free?
FMS Calculator is free to download, with no in-app purchases.
Is SeaBag free?
SeaBag is free to download, with no in-app purchases.
Which has better reviews, FMS Calculator or SeaBag?
SeaBag is rated higher. FMS Calculator averages 1.7 out of 5 from 67 ratings, while SeaBag averages 5.0 from 10 ratings.
Do FMS Calculator or SeaBag have ads?
Neither FMS Calculator nor SeaBag shows ads.
Which is updated more often, FMS Calculator or SeaBag?
FMS Calculator ships an update every 6 months, and SeaBag every 5 days. Most recently, FMS Calculator was updated on October 21, 2026 and SeaBag on October 7, 2026.

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