# StarLaunch vs Impact Hours

The clearest difference is iOS requirement: StarLaunch at 13.4 against Impact Hours's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | StarLaunch | Impact Hours |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/starlaunch/id6736873282/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free | — |
| Size | 28 MB | 39 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [StarLaunch LLC](https://appshunter.io/developer/1773610328) | [Xiao Zhou](https://appshunter.io/developer/1842061963) |

## What reviewers say

### StarLaunch

[App page](https://appshunter.io/ios/app/starlaunch/id6736873282)

This application uses machine learning and computer vision to simplify and improve rocket launches. It provides advanced features for smooth, safe, and successful launches.

**Highlights:** Rocket launch simplification, Machine learning integration, Computer vision capabilities, Enhanced launch safety, Successful launch assurance

**Features:** macOS Compatibility

**In-app purchases:** none


### Impact Hours

[App page](https://appshunter.io/ios/app/impact-hours/id6752991646)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StarLaunch free?

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

### Is Impact Hours free?

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

### Do StarLaunch or Impact Hours have ads?

Neither StarLaunch nor Impact Hours shows ads.

### Which is updated more often, StarLaunch or Impact Hours?

StarLaunch ships an update every 4 days, and Impact Hours every 4 days. Most recently, StarLaunch was updated on October 7, 2026 and Impact Hours on October 12, 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.*