# Wind Correction vs Astra Athletic

The clearest difference is in-app purchases: Wind Correction at none against Astra Athletic's 4. Wind Correction also leads on iOS requirement (15.6 vs 18.0). Astra Athletic's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Astra Athletic sells 4 in-app purchases, starting at $4.99 per month. Wind Correction asks for nothing beyond the download.

Wind Correction ships an update every 3 weeks, Astra Athletic every 4 days. The most recent releases landed on September 10, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Wind Correction | Astra Athletic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/astra-athletic/id6769266808/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 4 MB | 10 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lorenzo Galli](https://appshunter.io/developer/1779118366) | [David Wan](https://appshunter.io/developer/1896645683) |

## What reviewers say

### Wind Correction

[App page](https://appshunter.io/ios/app/wind-correction/id6738150976)

**In-app purchases:** none


### Astra Athletic

[App page](https://appshunter.io/ios/app/astra-athletic/id6769266808)

This app analyzes sprint and jump performance from video, providing detailed metrics like acceleration, max velocity, and force-velocity profiles. It supports athletes and coaches in monitoring performance and making data-driven training decisions.

**Highlights:** Sprint acceleration and max velocity analysis, Jump testing (RSI, CMJ, etc.), Force-velocity profile tools, Video import and recording, Athlete profile and coach mode, Training history tracking, Apple Health integration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Astra Pro Monthly | $4.99 | per month |
| Astra Pro+ Monthly | $6.99 | per month |
| Astra Pro Yearly | $49.99 | per year |
| Astra Pro+ Yearly | $69.99 | per year |


## Frequently asked questions

### Is Wind Correction free?

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

### Is Astra Athletic free?

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

### Do Wind Correction or Astra Athletic have ads?

Neither Wind Correction nor Astra Athletic shows ads.

### Which is updated more often, Wind Correction or Astra Athletic?

Wind Correction ships an update every 3 weeks, and Astra Athletic every 4 days. Most recently, Wind Correction was updated on September 10, 2026 and Astra Athletic on September 4, 2026.

---

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