# PreviewN vs 위닝로그

The clearest difference is review sentiment: 위닝로그 at 100% against PreviewN's 86%. 위닝로그 also leads on monetization model (ad-supported vs free with in-app purchases) and iOS requirement (15.0 vs 18.5). 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.

PreviewN ships an update every 3 days, 위닝로그 every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PreviewN | 위닝로그 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 8 MB | 9 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [(주)에스앰디엔](https://appshunter.io/developer/1502066046) | [goeun lee](https://appshunter.io/developer/6784672460) |

## What reviewers say

### 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


### 위닝로그

[App page](https://appshunter.io/ios/app/ai/id6785818197)

Record your live baseball game experiences, get AI-powered predictions for upcoming matches, and share your game day memories with friends. Track your attendance and win rates across different stadiums and teams.

**Highlights:** AI-powered game predictions, Live game attendance logging, Customizable live game cards for social sharing, Personalized live game calendar, Detailed attendance statistics, Team and stadium win rate analysis

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

**In-app purchases:** none


## Frequently asked questions

### Is PreviewN free?

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

### Is 위닝로그 free?

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

### Do PreviewN or 위닝로그 have ads?

Both PreviewN and 위닝로그 show ads.

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

PreviewN ships an update every 3 days, and 위닝로그 every 4 days. Most recently, PreviewN was updated on October 30, 2026 and 위닝로그 on October 31, 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.*