# Aerotech iLaunch vs Rocket Calculator

The clearest difference is in-app purchases: Aerotech iLaunch at none against Rocket Calculator's 1. Aerotech iLaunch also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Rocket Calculator sells 1 one-off in-app purchase. Aerotech iLaunch asks for nothing beyond the download.

Aerotech iLaunch ships an update every 9 days, Rocket Calculator weekly. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Aerotech iLaunch | Rocket Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aerotech-ilaunch/id6498717446/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free | — |
| Size | 37 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RCS Rocket Motor Components, Inc.](https://appshunter.io/developer/1741769140) | [毅 王](https://appshunter.io/developer/6774631380) |

## What reviewers say

### Aerotech iLaunch

[App page](https://appshunter.io/ios/app/aerotech-ilaunch/id6498717446)

Control your model rocket launches wirelessly from your smartphone or tablet. This app offers intuitive controls, built-in safety features, and a hassle-free experience for both beginners and experienced enthusiasts.

**Highlights:** Wireless launch controller connectivity, Intuitive on-screen controls, Press-and-hold launch mechanism, Built-in safety features, Countdown timer functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Rocket Calculator

[App page](https://appshunter.io/ios/app/rocket-calculator-apogeefield/id6778329350)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Aerotech iLaunch free?

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

### Is Rocket Calculator free?

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

### Do Aerotech iLaunch or Rocket Calculator have ads?

Neither Aerotech iLaunch nor Rocket Calculator shows ads.

### Which is updated more often, Aerotech iLaunch or Rocket Calculator?

Aerotech iLaunch ships an update every 9 days, and Rocket Calculator weekly. Most recently, Aerotech iLaunch was updated on October 15, 2026 and Rocket Calculator on October 17, 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.*