# 107.1 Jack FM vs JACK 103.1

The clearest difference is iOS requirement: 107.1 Jack FM at 15.0 against JACK 103.1's 18.2. On price, update cadence, ads 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.

107.1 Jack FM ships an update every 28 months, JACK 103.1 every 16 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 107.1 Jack FM | JACK 103.1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/1071-jack-fm/id566634993/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 28 months | **Every 16 months** |
| Monetization | Ad-supported | — |
| Size | 17 MB | 12 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MOR Media Inc.](https://appshunter.io/developer/566634996) | [KTTR-KZNN INC](https://appshunter.io/developer/1440847764) |

## What reviewers say

### 107.1 Jack FM

[App page](https://appshunter.io/ios/app/1071-jack-fm/id566634993)

Listen to a unique radio station playing a variety of music without a set playlist. Access the station's content online or through the mobile application. Contact the station for more service details.

**Highlights:** Live radio streaming, Online listening option, Mobile app access, Station information, Contact details

**Features:** macOS Compatibility

**In-app purchases:** none


### JACK 103.1

[App page](https://appshunter.io/ios/app/jack-1031/id1440849061)

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

**In-app purchases:** none


## Frequently asked questions

### Is 107.1 Jack FM free?

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

### Is JACK 103.1 free?

JACK 103.1 is free to download, with no in-app purchases.

### Do 107.1 Jack FM or JACK 103.1 have ads?

Both 107.1 Jack FM and JACK 103.1 show ads.

### Which is updated more often, 107.1 Jack FM or JACK 103.1?

107.1 Jack FM ships an update every 28 months, and JACK 103.1 every 16 months. Most recently, 107.1 Jack FM was updated on November 1, 2026 and JACK 103.1 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.*