# BMSNav vs Simple FTL Calculator

The clearest difference is price: BMSNav at Free against Simple FTL Calculator's $3.99. BMSNav also leads on iOS requirement (13.4 vs 15.1). Simple FTL Calculator's advantage is update cadence (every 2 months vs every 6 months). On ads, in-app purchases and device support there is nothing between them.

BMSNav is free to download; Simple FTL Calculator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BMSNav ships an update every 6 months, Simple FTL Calculator every 2 months. The most recent releases landed on September 11, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | BMSNav | Simple FTL Calculator |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 26 MB | 33 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sean Eidemiller](https://appshunter.io/developer/1727805379) | [Yiu Leung Sze](https://appshunter.io/developer/1816049574) |

## What reviewers say

### BMSNav

[App page](https://appshunter.io/ios/app/bmsnav/id6476798982)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple FTL Calculator

[App page](https://appshunter.io/ios/app/simple-ftl-calculator/id6746280039)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BMSNav free?

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

### Is Simple FTL Calculator free?

Simple FTL Calculator costs $3.99, with no in-app purchases.

### Do BMSNav or Simple FTL Calculator have ads?

Neither BMSNav nor Simple FTL Calculator shows ads.

### Which is updated more often, BMSNav or Simple FTL Calculator?

BMSNav ships an update every 6 months, and Simple FTL Calculator every 2 months. Most recently, BMSNav was updated on September 11, 2026 and Simple FTL Calculator on July 5, 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.*