# Big Stack 103.9 vs Z

The clearest difference is review sentiment: Z at 100% against Big Stack 103.9's 0%. Z also leads on update cadence (every 2 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Big Stack 103.9 ships an update every 3 months, Z every 2 weeks. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Big Stack 103.9 | Z |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/big-stack-1039/id1258642759/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 79 MB | 33 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Townsquare Media, LLC](https://appshunter.io/developer/433762450) | [Grant Weyman](https://appshunter.io/developer/1849882100) |

## What reviewers say

### Big Stack 103.9

[App page](https://appshunter.io/ios/app/big-stack-1039/id1258642759)

Stay informed with local news, weather, and traffic updates. Listen live to radio shows, interact with hosts, and receive instant alerts for breaking news and contests. Save articles for offline reading and share content easily.

**Highlights:** Live radio streaming, Local news and weather updates, Interactive host communication, Breaking news alerts, Save articles for offline reading, Contest participation

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

**In-app purchases:** none


### Z

[App page](https://appshunter.io/ios/app/z-fm/id6754759472)

Listen to a commercial-free radio station dedicated to forgotten hits from the 1970s and 1980s. Enjoy a curated selection of music without interruptions.

**Highlights:** Commercial-free listening, Focus on 70s and 80s music, Plays forgotten hits, Podcast integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Big Stack 103.9 free?

Big Stack 103.9 is free to download, with no in-app purchases.

### Is Z free?

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

### Do Big Stack 103.9 or Z have ads?

Both Big Stack 103.9 and Z show ads.

### Which is updated more often, Big Stack 103.9 or Z?

Big Stack 103.9 ships an update every 3 months, and Z every 2 weeks. Most recently, Big Stack 103.9 was updated on October 8, 2026 and Z on October 2, 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.*