# Vector Calculator Plus vs NavCalc Dynamic

The clearest difference is price: NavCalc Dynamic at Free against Vector Calculator Plus's $2.99. NavCalc Dynamic also leads on rating (5.0 vs 2.5) and update cadence (every 6 days vs every 43 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

NavCalc Dynamic is free to download; Vector Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NavCalc Dynamic holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Vector Calculator Plus ships an update every 43 months, NavCalc Dynamic every 6 days. The most recent releases landed on September 25, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Vector Calculator Plus | NavCalc Dynamic |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/navcalc-dynamic/id1638841716/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Every 6 days** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 15 MB |
| Requires iOS | 13 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Richard Craddock](https://appshunter.io/developer/1579756955) |

## What reviewers say

### Vector Calculator Plus

[App page](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948)

This app simplifies vector addition for students and educators. It allows for quick calculations of multiple vectors, visualizing the results with generated graphs. Users can customize graph elements and save images for later use.

**Highlights:** Instant vector calculation, Add multiple vectors by x, y, magnitude, or angle, Generate vector images, Save vector images to camera roll, Customize graph display options, Set background color for graphs

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

**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 Vector Calculator Plus free?

Vector Calculator Plus costs $2.99, with no in-app purchases.

### Is NavCalc Dynamic free?

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

### Which has better reviews, Vector Calculator Plus or NavCalc Dynamic?

NavCalc Dynamic is rated higher. Vector Calculator Plus averages 2.5 out of 5 from 2 ratings, while NavCalc Dynamic averages 5.0 from 1 ratings.

### Do Vector Calculator Plus or NavCalc Dynamic have ads?

Neither Vector Calculator Plus nor NavCalc Dynamic shows ads.

### Which is updated more often, Vector Calculator Plus or NavCalc Dynamic?

Vector Calculator Plus ships an update every 43 months, and NavCalc Dynamic every 6 days. Most recently, Vector Calculator Plus was updated on September 25, 2026 and NavCalc Dynamic on June 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.*