# RDP Preview vs When Launch? Rockets and Space

The clearest difference is in-app purchases: RDP Preview at none against When Launch? Rockets and Space's 2. RDP Preview also leads on ads (none vs shown) and iOS requirement (5.1.1 vs 26.0). When Launch? Rockets and Space's advantage is update cadence (fortnightly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. When Launch? Rockets and Space sells 2 in-app purchases, starting at $1.99 per month. RDP Preview asks for nothing beyond the download.

RDP Preview ships an update every 3 months, When Launch? Rockets and Space fortnightly. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RDP Preview | When Launch? Rockets and Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/when-launch-rockets-and-space/id1636912126/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 23 MB |
| Requires iOS | **5.1.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Digital Pages Publicacoes Electronicas Ltda](https://appshunter.io/developer/391219423) | [Pedro Pallotta](https://appshunter.io/developer/1636912128) |

## What reviewers say

### RDP Preview

[App page](https://appshunter.io/ios/app/rdp-preview/id569508087)

**In-app purchases:** none


### When Launch? Rockets and Space

[App page](https://appshunter.io/ios/app/when-launch-rockets-and-space/id1636912126)

Stay informed about upcoming rocket launches and space events. Get comprehensive details on activities from major space agencies and companies, ensuring you never miss a launch.

**Highlights:** Rocket launch notifications, Space event updates, Information from NASA, SpaceX, Blue Origin, Comprehensive event details, High-quality content

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Lifetime Premium | $14.99 | one-time |


## Frequently asked questions

### Is RDP Preview free?

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

### Is When Launch? Rockets and Space free?

When Launch? Rockets and Space is free to download, with in-app purchases available.

### Do RDP Preview or When Launch? Rockets and Space have ads?

When Launch? Rockets and Space shows ads; RDP Preview does not.

### Which is updated more often, RDP Preview or When Launch? Rockets and Space?

RDP Preview ships an update every 3 months, and When Launch? Rockets and Space fortnightly. Most recently, RDP Preview was updated on October 18, 2026 and When Launch? Rockets and Space on October 12, 2026.

---

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