# Float SML vs Luna Marine Charts

The clearest difference is price: Luna Marine Charts at Free against Float SML's $2.99. Luna Marine Charts also leads on rating (5.0 vs 1.0) and update cadence (every 2 weeks vs every 11 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Luna Marine Charts is free to download; Float SML costs $2.99 up front. Float SML sells 2 in-app purchases, starting at $2.99 per month and Luna Marine Charts sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Luna Marine Charts holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Float SML ships an update every 11 months, Luna Marine Charts every 2 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Float SML | Luna Marine Charts |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/float-sml/id6746132166/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/luna-marine-charts/id6760975477/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 80 MB | 33 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jason Sanford](https://appshunter.io/developer/1441148871) | [45 Adapter LLC](https://appshunter.io/developer/1520713724) |

## What reviewers say

### Float SML

[App page](https://appshunter.io/ios/app/float-sml/id6746132166)

Navigate Smith Mountain Lake with this comprehensive boating app. Discover marinas, launches, and restaurants, and save your favorite spots. Record your tracks, share your location live, and view detailed 3D maps with customizable overlays.

**Highlights:** Save favorite locations, Create custom places, Record and save tracks, Share live location, 3D map mode with terrain and depth, View lake news and weather, Customizable map styles and overlays

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Float+ Monthly | $2.99 | per month |
| Float+ Annual | $19.99 | per year |


### Luna Marine Charts

[App page](https://appshunter.io/ios/app/luna-marine-charts/id6760975477)

This app provides marine charts and navigation tools for boaters. Plan routes, access nautical charts with tides and currents offline, and customize your display for day or night use. Ideal for coastal passages and offshore voyages.

**Highlights:** Offline NOAA and USACE nautical charts, Route planning with waypoint adjustment, Integrated tide and current data, Day, dusk, and night display modes, GPX route export, Path Finder and Great Circle route calculation

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luna Pro | $19.99 | one-time |


## Frequently asked questions

### Is Float SML free?

Float SML costs $2.99, and also offers in-app purchases.

### Is Luna Marine Charts free?

Luna Marine Charts is free to download, with in-app purchases available.

### Which has better reviews, Float SML or Luna Marine Charts?

Luna Marine Charts is rated higher. Float SML averages 1.0 out of 5 from 1 ratings, while Luna Marine Charts averages 5.0 from 2 ratings.

### Do Float SML or Luna Marine Charts have ads?

Neither Float SML nor Luna Marine Charts shows ads.

### Which is updated more often, Float SML or Luna Marine Charts?

Float SML ships an update every 11 months, and Luna Marine Charts every 2 weeks. Most recently, Float SML was updated on October 24, 2026 and Luna Marine Charts on October 8, 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.*