# VTRN vs KQDIFM

The clearest difference is update cadence: VTRN at every 18 months against KQDIFM's every 37 months. On price, ads, in-app purchases and device support there is nothing between them.

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

VTRN ships an update every 18 months, KQDIFM every 37 months. The most recent releases landed on October 29, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | VTRN | KQDIFM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 18 months** | Every 37 months |
| Monetization | — | Ad-supported |
| Size | 18 MB | 16 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [3 Daughters Media, Inc.](https://appshunter.io/developer/819341903) | [Staradio Corp](https://appshunter.io/developer/1071469558) |

## What reviewers say

### VTRN

[App page](https://appshunter.io/ios/app/vtrn/id819371885)

**Features:** macOS Compatibility

**In-app purchases:** none


### KQDIFM

[App page](https://appshunter.io/ios/app/kqdifm/id1386361204)

Stream live rock music from a leading radio station. Enjoy the best of rock music, keeping you connected to the latest hits and classic tracks from Great Falls.

**Highlights:** Live radio streaming, Rock music focus, Station information, Contact details

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VTRN free?

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

### Is KQDIFM free?

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

### Do VTRN or KQDIFM have ads?

Both VTRN and KQDIFM show ads.

### Which is updated more often, VTRN or KQDIFM?

VTRN ships an update every 18 months, and KQDIFM every 37 months. Most recently, VTRN was updated on October 29, 2026 and KQDIFM on October 22, 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.*