# Plain Stats Plus vs NavCalc Dynamic

The clearest difference is price: NavCalc Dynamic at Free against Plain Stats Plus's $0.99. NavCalc Dynamic also leads on update cadence (every 6 days vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

NavCalc Dynamic is free to download; Plain Stats Plus costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Plain Stats Plus ships an update every 3 months, NavCalc Dynamic every 6 days. The most recent releases landed on September 23, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Plain Stats Plus | NavCalc Dynamic |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/navcalc-dynamic/id1638841716/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | — | Free |
| Size | 2 MB | 15 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [a Rausa](https://appshunter.io/developer/638439637) | [Richard Craddock](https://appshunter.io/developer/1579756955) |

## What reviewers say

### Plain Stats Plus

[App page](https://appshunter.io/ios/app/plain-stats-plus/id844357301)

**In-app purchases:** none


### NavCalc Dynamic

[App page](https://appshunter.io/ios/app/navcalc-dynamic/id1638841716)

This app calculates the course and speed needed to counteract current and wind effects for navigation. It visually displays these calculations on a compass rose, dynamically updating as parameters change. Useful for learning and solving real-world sailing problems.

**Highlights:** Calculate Course to Steer (CtS), Calculate Speed over Ground (SoG), Visual compass rose display, Dynamic parameter updates, Magnetic variation input, Leeway and wind direction input

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Plain Stats Plus free?

Plain Stats Plus costs $0.99, with no in-app purchases.

### Is NavCalc Dynamic free?

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

### Do Plain Stats Plus or NavCalc Dynamic have ads?

Neither Plain Stats Plus nor NavCalc Dynamic shows ads.

### Which is updated more often, Plain Stats Plus or NavCalc Dynamic?

Plain Stats Plus ships an update every 3 months, and NavCalc Dynamic every 6 days. Most recently, Plain Stats Plus was updated on September 23, 2026 and NavCalc Dynamic on June 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*