# Turn Radius Calculator vs Alert Simulator

The clearest difference is price: Alert Simulator at Free against Turn Radius Calculator's $4.99. Alert Simulator also leads on update cadence (every 2 weeks vs every 5 weeks). Turn Radius Calculator's advantage is iOS requirement (12.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Alert Simulator is free to download; Turn Radius Calculator costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Turn Radius Calculator ships an update every 5 weeks, Alert Simulator every 2 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Turn Radius Calculator | Alert Simulator |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/turn-radius-calculator/id6480525267/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 27 MB | 4 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Flight Training Apps, Inc.](https://appshunter.io/developer/438868778) | [Brice Rosenzweig](https://appshunter.io/developer/315123923) |

## What reviewers say

### Turn Radius Calculator

[App page](https://appshunter.io/ios/app/turn-radius-calculator/id6480525267)

This app helps pilots calculate turning radius and stall speed based on speed and bank angle. It's useful for evaluating strategies in scenarios like engine failure or tight situations, and for practicing different flight parameters.

**Highlights:** Calculate turning radius, Determine stall speed, Evaluate bank angles and speeds, Calculate maneuvering speed, Assess aircraft weight impact

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

**In-app purchases:** none


### Alert Simulator

[App page](https://appshunter.io/ios/app/alert-simulator/id6739960579)

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

**In-app purchases:** none


## Frequently asked questions

### Is Turn Radius Calculator free?

Turn Radius Calculator costs $4.99, with no in-app purchases.

### Is Alert Simulator free?

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

### Do Turn Radius Calculator or Alert Simulator have ads?

Neither Turn Radius Calculator nor Alert Simulator shows ads.

### Which is updated more often, Turn Radius Calculator or Alert Simulator?

Turn Radius Calculator ships an update every 5 weeks, and Alert Simulator every 2 weeks. Most recently, Turn Radius Calculator was updated on October 15, 2026 and Alert Simulator on October 24, 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.*