# KREF vs QuizXpress Smart Buzzer

The clearest difference is rating: QuizXpress Smart Buzzer at 5.0 against KREF's 3.7. QuizXpress Smart Buzzer also leads on review sentiment (88% vs 57%) and update cadence (every 5 weeks vs every 3 months). KREF's advantage is ratings volume (50 vs 2). 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.

QuizXpress Smart Buzzer holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: KREF has 50 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 57% of KREF's written reviews are positive against 88% of QuizXpress Smart Buzzer's.

KREF ships an update every 3 months, QuizXpress Smart Buzzer every 5 weeks. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | KREF | QuizXpress Smart Buzzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (50 ratings)](https://appshunter.io/ios/app/kref/id979311464/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/quizxpress-smart-buzzer/id1481468798/reviews)** |
| Number of ratings | **50** | 2 |
| Positive reviews | 57.1% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 70 MB | 116 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Metro Radio Group LLC,](https://appshunter.io/developer/979311463) | [Game Show Crew VOF](https://appshunter.io/developer/1481468797) |

## What reviewers say

### KREF

[App page](https://appshunter.io/ios/app/kref/id979311464)

Stream live radio, music, sports, and talk shows from anywhere. Engage in real-time conversations with DJs and fellow listeners, and stay updated on station events with interactive schedules and alerts.

**Highlights:** Live radio streaming worldwide, Real-time messaging with DJs and listeners, Song information display, Access to station social media feeds, Interactive event schedule with alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### QuizXpress Smart Buzzer

[App page](https://appshunter.io/ios/app/quizxpress-smart-buzzer/id1481468798)

Transform your phone or tablet into an advanced quiz buzzer for multiplayer quiz shows. Receive questions, answer options, and live scores directly on your device. Compete with teams, earn bonus points for speed, and enjoy various question types.

**Highlights:** Advanced quiz buzzer functionality, Questions and answer options delivered to device, Live scores displayed on device, Team jingles, Multiple question types, Bonus points for fastest answers, Real-time response charts

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

**In-app purchases:** none


## Frequently asked questions

### Is KREF free?

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

### Is QuizXpress Smart Buzzer free?

QuizXpress Smart Buzzer is free to download, with no in-app purchases.

### Which has better reviews, KREF or QuizXpress Smart Buzzer?

QuizXpress Smart Buzzer is rated higher. KREF averages 3.7 out of 5 from 50 ratings, while QuizXpress Smart Buzzer averages 5.0 from 2 ratings.

### Do KREF or QuizXpress Smart Buzzer have ads?

Neither KREF nor QuizXpress Smart Buzzer shows ads.

### Which is updated more often, KREF or QuizXpress Smart Buzzer?

KREF ships an update every 3 months, and QuizXpress Smart Buzzer every 5 weeks. Most recently, KREF was updated on October 14, 2026 and QuizXpress Smart Buzzer 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.*