# SpaceXPedia vs Zelmux

The clearest difference is update cadence: SpaceXPedia at every 3 days against Zelmux's every 3 weeks. SpaceXPedia also leads on iOS requirement (11.4 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SpaceXPedia ships an update every 3 days, Zelmux every 3 weeks. The most recent releases landed on September 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | SpaceXPedia | Zelmux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/spacexpedia/id1434177600/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 21 MB | 6 MB |
| Requires iOS | **11.4** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Philip Engberg Nielsen](https://appshunter.io/developer/504326600) | [Yang Zhang](https://appshunter.io/developer/1005259025) |

## What reviewers say

### SpaceXPedia

[App page](https://appshunter.io/ios/app/spacexpedia/id1434177600)

Explore detailed information about past and future SpaceX launches. Discover specifics on launch vehicles, payloads, booster landings, and launch sites. This app is for anyone fascinated by space exploration and rocket technology.

**Highlights:** Browse past and upcoming launches, Detailed launch vehicle information, Payload orbit parameters, Booster reuse and landing details, Launch site specifics, Technical jargon explanations

**In-app purchases:** none


### Zelmux

[App page](https://appshunter.io/ios/app/zelmux/id6768126927)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpaceXPedia free?

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

### Is Zelmux free?

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

### Do SpaceXPedia or Zelmux have ads?

Neither SpaceXPedia nor Zelmux shows ads.

### Which is updated more often, SpaceXPedia or Zelmux?

SpaceXPedia ships an update every 3 days, and Zelmux every 3 weeks. Most recently, SpaceXPedia was updated on September 11, 2026 and Zelmux on September 21, 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.*