# True vs Apparent Wind Calculator

The clearest difference is price: True at Free against Apparent Wind Calculator's $0.99. Apparent Wind Calculator's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 41 months). On ads, device support and iOS requirement there is nothing between them.

True is free to download; Apparent Wind Calculator costs $0.99 up front. True sells 1 one-off in-app purchase. Apparent Wind Calculator asks for nothing beyond the download.

True ships an update every 41 months, Apparent Wind Calculator every 2 months. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | True | Apparent Wind Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 1 MB | 25 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nejc Landeker](https://appshunter.io/developer/712909616) | [Adam Harvey](https://appshunter.io/developer/1890289893) |

## 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 |


### Apparent Wind Calculator

[App page](https://appshunter.io/ios/app/apparent-wind-calculator/id6765800086)

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

**In-app purchases:** none


## Frequently asked questions

### Is True free?

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

### Is Apparent Wind Calculator free?

Apparent Wind Calculator costs $0.99, with no in-app purchases.

### Do True or Apparent Wind Calculator have ads?

Neither True nor Apparent Wind Calculator shows ads.

### Which is updated more often, True or Apparent Wind Calculator?

True ships an update every 41 months, and Apparent Wind Calculator every 2 months. Most recently, True was updated on October 9, 2026 and Apparent Wind Calculator on October 13, 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.*