# SparkHD.FM vs Iron FM

The clearest difference is rating: Iron FM at 5.0 against SparkHD.FM's 4.5. Iron FM also leads on update cadence (every 3 months vs every 8 months). SparkHD.FM's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

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

Iron FM holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 10 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

SparkHD.FM ships an update every 8 months, Iron FM every 3 months. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SparkHD.FM | Iron FM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/sparkhdfm/id1536415512/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/iron-fm/id6740636843/reviews)** |
| Number of ratings | 4 | **10** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 12 MB | 10 MB |
| Requires iOS | **16.6** | 18.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Olivet Nazarene University Inc](https://appshunter.io/developer/1034551583) | [WORLD EVANGELISTIC ENTERPRISE CORPORATION](https://appshunter.io/developer/823818511) |

## What reviewers say

### SparkHD.FM

[App page](https://appshunter.io/ios/app/sparkhdfm/id1536415512)

This app delivers a blend of Pop and Hip Hop music tailored to student tastes. It also serves as a platform for students to gain practical experience in broadcast media.

**Highlights:** Pop and Hip Hop music mix, Student broadcast experience, Curated musical tastes, Live student programming

**Features:** Vision Pro support

**In-app purchases:** none


### Iron FM

[App page](https://appshunter.io/ios/app/iron-fm/id6740636843)

This app delivers a unique rock radio experience, blending classic and modern rock music with faith-based messages. It aims to inspire listeners through powerful lyrics and testimonies, proving that faith and rock music can coexist. Enjoy a loud and authentic soundtrack for any part of your day.

**Highlights:** Rock music from the '80s, '90s, and today, Faith-based messages and testimonies, Inspiring lyrics, Authentic Christ-centered content, Soundtrack for daily activities

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

**In-app purchases:** none


## Frequently asked questions

### Is SparkHD.FM free?

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

### Is Iron FM free?

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

### Which has better reviews, SparkHD.FM or Iron FM?

Iron FM is rated higher. SparkHD.FM averages 4.5 out of 5 from 4 ratings, while Iron FM averages 5.0 from 10 ratings.

### Do SparkHD.FM or Iron FM have ads?

Iron FM shows ads; SparkHD.FM does not.

### Which is updated more often, SparkHD.FM or Iron FM?

SparkHD.FM ships an update every 8 months, and Iron FM every 3 months. Most recently, SparkHD.FM was updated on October 16, 2026 and Iron FM on October 24, 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.*