# JACK 103.1 vs Jack FM Austin

The clearest difference is iOS requirement: Jack FM Austin 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.

Both ship on a similar rhythm, roughly every 16 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | JACK 103.1 | Jack FM Austin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/jack-fm-austin/id6447767822/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 16 months | Every 16 months |
| Monetization | — | Ad-supported |
| Size | 12 MB | 16 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KTTR-KZNN INC](https://appshunter.io/developer/1440847764) | [Township Media LLC](https://appshunter.io/developer/887695365) |

## What reviewers say

### JACK 103.1

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

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

**In-app purchases:** none


### Jack FM Austin

[App page](https://appshunter.io/ios/app/jack-fm-austin/id6447767822)

This app offers a unique radio experience playing a wide variety of popular music from the past six decades. It aims to provide an upbeat and unconventional listening format for millions of listeners.

**Highlights:** Wide music selection, Six decades of popular music, Unconventional radio format, Live streaming, Upbeat listening experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JACK 103.1 free?

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

### Is Jack FM Austin free?

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

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

Both JACK 103.1 and Jack FM Austin show ads.

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

JACK 103.1 ships an update every 16 months, and Jack FM Austin every 16 months. Most recently, JACK 103.1 was updated on October 26, 2026 and Jack FM Austin on November 3, 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.*