# True vs VMGPolar

The clearest difference is review sentiment: VMGPolar at 100% against True's 0%. VMGPolar also leads on in-app purchases (none vs 1) and update cadence (fortnightly vs every 41 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. True sells 1 one-off in-app purchase. VMGPolar asks for nothing beyond the download.

True ships an update every 41 months, VMGPolar fortnightly. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | True | VMGPolar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/vmgpolar/id6451073241/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 41 months | **Fortnightly** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 1 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nejc Landeker](https://appshunter.io/developer/712909616) | [Andrei Skobtsov](https://appshunter.io/developer/1696471952) |

## What reviewers say

### True

[App page](https://appshunter.io/ios/app/true-wind-calculator/id712909613)

Calculate true wind direction and speed for sailing. Input vessel speed, apparent wind, and angle to determine accurate wind data.

**Highlights:** True-wind calculation, Vessel speed input, Apparent wind speed input, Apparent wind angle input, Vessel heading input

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $4.99 | one-time |


### VMGPolar

[App page](https://appshunter.io/ios/app/vmgpolar/id6451073241)

Calculate sailing wind and boat speed with this tool. Input three values to determine the rest and log your data for export. It helps build and validate polar graphs for sailing performance.

**Highlights:** Sailing wind and boat speed calculation, Input three values to calculate others, Save data into a log, Export log data, Build and validate polar graphs

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is True free?

True is free to download, with in-app purchases available.

### Is VMGPolar free?

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

### Do True or VMGPolar have ads?

Neither True nor VMGPolar shows ads.

### Which is updated more often, True or VMGPolar?

True ships an update every 41 months, and VMGPolar fortnightly. Most recently, True was updated on October 25, 2026 and VMGPolar on October 6, 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.*