# The Quake vs SpectraEMF

The clearest difference is in-app purchases: The Quake at none against SpectraEMF's 1. SpectraEMF's advantage is update cadence (every 4 days vs every 13 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SpectraEMF sells 1 one-off in-app purchase. The Quake asks for nothing beyond the download.

The Quake ships an update every 13 months, SpectraEMF every 4 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | The Quake | SpectraEMF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-quake/id1670474543/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 2 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 9+ |
| Developer | [Dowdy & Dowdy Partnership](https://appshunter.io/developer/911597243) | [Vikram Joshi](https://appshunter.io/developer/1875452225) |

## What reviewers say

### The Quake

[App page](https://appshunter.io/ios/app/the-quake/id1670474543)

Stream the greatest hits from legendary classic rock artists. Enjoy music from icons like AC/DC, Led Zeppelin, and Tom Petty anytime. This app is your go-to for an authentic rock and roll experience.

**Highlights:** Classic rock music streaming, Features legendary artists, Authentic rock and roll experience, Plays music anytime

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

**In-app purchases:** none


### SpectraEMF

[App page](https://appshunter.io/ios/app/spectraemf/id6782989617)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpectraEMF Pro | $4.99 | one-time |


## Frequently asked questions

### Is The Quake free?

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

### Is SpectraEMF free?

SpectraEMF is free to download, with in-app purchases available.

### Do The Quake or SpectraEMF have ads?

Neither The Quake nor SpectraEMF shows ads.

### Which is updated more often, The Quake or SpectraEMF?

The Quake ships an update every 13 months, and SpectraEMF every 4 days. Most recently, The Quake was updated on October 24, 2026 and SpectraEMF on October 9, 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.*