# 24 Mountains Compass vs Schumann Sferics Generator

The clearest difference is in-app purchases: 24 Mountains Compass at none against Schumann Sferics Generator's 3. 24 Mountains Compass also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). Schumann Sferics Generator's advantage is update cadence (daily vs every 2 weeks). On price and ads there is nothing between them.

Both are free to download. Schumann Sferics Generator sells 3 in-app purchases, starting at $2.99 per month. 24 Mountains Compass asks for nothing beyond the download.

24 Mountains Compass ships an update every 2 weeks, Schumann Sferics Generator daily. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 24 Mountains Compass | Schumann Sferics Generator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 33 MB | 2 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Diana Vesper](https://appshunter.io/developer/6802560148) | [Florian Reiterer](https://appshunter.io/developer/1858387665) |

## What reviewers say

### 24 Mountains Compass

[App page](https://appshunter.io/ios/app/24-mountains-compass/id6802560146)

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

**In-app purchases:** none


### Schumann Sferics Generator

[App page](https://appshunter.io/ios/app/schumann-sferics-generator/id6815838477)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $22.99 | per year |
| Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is 24 Mountains Compass free?

24 Mountains Compass is free to download, with no in-app purchases.

### Is Schumann Sferics Generator free?

Schumann Sferics Generator is free to download, with in-app purchases available.

### Do 24 Mountains Compass or Schumann Sferics Generator have ads?

Neither 24 Mountains Compass nor Schumann Sferics Generator shows ads.

### Which is updated more often, 24 Mountains Compass or Schumann Sferics Generator?

24 Mountains Compass ships an update every 2 weeks, and Schumann Sferics Generator daily. Most recently, 24 Mountains Compass was updated on October 24, 2026 and Schumann Sferics Generator on October 26, 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.*