# Purese vs True Wind Pro

The clearest difference is in-app purchases: Purese at none against True Wind Pro's 1. Purese also leads on iOS requirement (13.0 vs 15.1). True Wind Pro's advantage is update cadence (every 2 weeks vs every 6 months). On price, ads and device support there is nothing between them.

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

Purese ships an update every 6 months, True Wind Pro every 2 weeks. The most recent releases landed on October 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Purese | True Wind Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Size | 16 MB | 59 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pablo Pantoja](https://appshunter.io/developer/1809880113) | [Paulina Praciak](https://appshunter.io/developer/1869727950) |

## What reviewers say

### Purese

[App page](https://appshunter.io/ios/app/purese/id6744907444)

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

**In-app purchases:** none


### True Wind Pro

[App page](https://appshunter.io/ios/app/true-wind-pro-wind-calculator/id6758668604)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Calculations | $1.99 | one-time |


## Frequently asked questions

### Is Purese free?

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

### Is True Wind Pro free?

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

### Do Purese or True Wind Pro have ads?

Neither Purese nor True Wind Pro shows ads.

### Which is updated more often, Purese or True Wind Pro?

Purese ships an update every 6 months, and True Wind Pro every 2 weeks. Most recently, Purese was updated on October 15, 2026 and True Wind Pro 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.*