# Shortwave Guide vs Mars Rock E

The clearest difference is price: Mars Rock E at Free against Shortwave Guide's $8.99. Mars Rock E also leads on update cadence (monthly vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Mars Rock E is free to download; Shortwave Guide costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Shortwave Guide ships an update every 2 months, Mars Rock E monthly. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Shortwave Guide | Mars Rock E |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | — |
| Size | 26 MB | 22 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Vladyslav Haliuk](https://appshunter.io/developer/1563954274) | [Xiamen Mars Rock Science Technology Co.,Ltd](https://appshunter.io/developer/1787113189) |

## What reviewers say

### Shortwave Guide

[App page](https://appshunter.io/ios/app/shortwave-guide/id1629061921)

This application displays a real-time schedule of shortwave radio broadcasts worldwide, sourced from the EiBi database. Users can rescan for updates, view specific frequencies, and update the entire broadcast schedule database.

**Highlights:** Worldwide shortwave broadcast schedule, Real-time station listings, Frequency viewing, Database updates, EiBi database integration

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

**In-app purchases:** none


### Mars Rock E

[App page](https://appshunter.io/ios/app/mars-rock-e/id6739800863)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shortwave Guide free?

Shortwave Guide costs $8.99, with no in-app purchases.

### Is Mars Rock E free?

Mars Rock E is free to download, with no in-app purchases.

### Do Shortwave Guide or Mars Rock E have ads?

Neither Shortwave Guide nor Mars Rock E shows ads.

### Which is updated more often, Shortwave Guide or Mars Rock E?

Shortwave Guide ships an update every 2 months, and Mars Rock E monthly. Most recently, Shortwave Guide was updated on September 24, 2026 and Mars Rock E on September 15, 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.*