# K vs PreviewN

The clearest difference is ads: K at none against PreviewN's shown. K also leads on iOS requirement (15.1 vs 18.5). PreviewN's advantage is update cadence (every 2 days vs every 5 months). On price, 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.

K ships an update every 5 months, PreviewN every 2 days. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | K | PreviewN |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 7 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Suyong Choi](https://appshunter.io/developer/1799869670) | [(주)에스앰디엔](https://appshunter.io/developer/1502066046) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-buddy/id6748117592)

**Features:** macOS Compatibility

**In-app purchases:** none


### PreviewN

[App page](https://appshunter.io/ios/app/previewn/id6755117742)

This app provides in-depth sports data and analysis for domestic and international sports. Access detailed statistics, expert predictions, and user-friendly insights to enhance your sports understanding. Participate in profit competitions and win prizes.

**Highlights:** Detailed sports data for all domestic and international sports, Expert analysis and predictions, User-specific data insights, Football: Injury alerts, prediction tools, head-to-head stats, Basketball: Simulator, team leader data, quarter-by-quarter stats, Baseball: Pitcher and batter data, umpire stats, simulator, User profit competitions with prizes

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is PreviewN free?

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

### Do K or PreviewN have ads?

PreviewN shows ads; K does not.

### Which is updated more often, K or PreviewN?

K ships an update every 5 months, and PreviewN every 2 days. Most recently, K was updated on September 9, 2026 and PreviewN on September 18, 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.*