# FMS Calculator vs eSUPPO

The clearest difference is review sentiment: eSUPPO at 100% against FMS Calculator's 20%. eSUPPO also leads on rating (3.5 vs 1.7) and update cadence (every 2 months vs every 6 months). FMS Calculator's advantage is ratings volume (67 vs 6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

eSUPPO holds the better App Store score, 3.5 against 1.7. That said, the two scores are not equally well evidenced: FMS Calculator has 67 ratings behind it against 6, 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 eSUPPO's.

FMS Calculator ships an update every 6 months, eSUPPO every 2 months. The most recent releases landed on July 5, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | FMS Calculator | eSUPPO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (67 ratings)](https://appshunter.io/ios/app/fms-calculator/id1031676371/reviews) | **[3.5 (6 ratings)](https://appshunter.io/ios/app/esuppo/id1102534585/reviews)** |
| Number of ratings | **67** | 6 |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 71 MB | 40 MB |
| Requires iOS | 15.0 | **9.0** |
| 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) | [NAVSUP Business Systems Center (BSC)](https://appshunter.io/developer/1102534584) |

## 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


### eSUPPO

[App page](https://appshunter.io/ios/app/esuppo/id1102534585)

Access Supply Corps information quickly without multiple logins. Find news, job listings, educational programs, instructions, and contact your detailer. Content can be viewed offline and updates automatically when online.

**Highlights:** Access NAVSUP news, View billet listings, Find educational program info, Access NAVSUP instructions, Contact your detailer, Offline content viewing, Automatic content updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FMS Calculator free?

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

### Is eSUPPO free?

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

### Which has better reviews, FMS Calculator or eSUPPO?

eSUPPO is rated higher. FMS Calculator averages 1.7 out of 5 from 67 ratings, while eSUPPO averages 3.5 from 6 ratings.

### Do FMS Calculator or eSUPPO have ads?

Neither FMS Calculator nor eSUPPO shows ads.

### Which is updated more often, FMS Calculator or eSUPPO?

FMS Calculator ships an update every 6 months, and eSUPPO every 2 months. Most recently, FMS Calculator was updated on July 5, 2026 and eSUPPO on June 4, 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.*