# sis vs 네이버 지식iN, 엑스퍼트

The clearest difference is review sentiment: 네이버 지식iN, 엑스퍼트 at 50% against sis's 14%. 네이버 지식iN, 엑스퍼트 also leads on in-app purchases (none vs 2) and ads (none vs shown). sis's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, monetization model and device support there is nothing between them.

Both are free to download. sis sells 2 in-app purchases, starting at $12.99 per month. 네이버 지식iN, 엑스퍼트 asks for nothing beyond the download.

sis ships an update every 6 weeks, 네이버 지식iN, 엑스퍼트 monthly. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | sis | 네이버 지식iN, 엑스퍼트 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (94 ratings)](https://appshunter.io/ios/app/in/id1478082869/reviews)** |
| Number of ratings | — | **94** |
| Positive reviews | 13.6% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 39 MB | 153 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Jeong Sohee](https://appshunter.io/developer/1468893469) | [NAVER Corp.](https://appshunter.io/developer/311867731) |

## What reviewers say

### sis

[App page](https://appshunter.io/ios/app/sis/id1468893470)

Connect with like-minded individuals for various social activities and information sharing. Discover local businesses and engage in real-time conversations. Invitation-only access ensures a curated community for adult queer women.

**Highlights:** Anonymous community forums, Organize spontaneous meetups, Interest-based small groups, Local business directory, Location-based friend finder, Real-time unlimited chat, Keyword-based profiles

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 시스 플러스 얼리버드 월 구독 | $12.99 | per month |
| 시스 플러스 월 구독 | $12.99 | per month |


### 네이버 지식iN, 엑스퍼트

[App page](https://appshunter.io/ios/app/in/id1478082869)

Get expert advice on a wide range of topics, from fortune-telling and legal matters to language learning and IT. Connect with verified professionals for personalized consultations via chat, voice, or video call.

**Highlights:** Ask and answer questions on diverse topics, Consult with verified experts, Receive advice on fortune-telling, legal, and academic fields, Connect via chat, voice, or video call, Explore Q&A content and share knowledge, Create a professional profile

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is sis free?

sis is free to download, with in-app purchases available.

### Is 네이버 지식iN, 엑스퍼트 free?

네이버 지식iN, 엑스퍼트 is free to download, with no in-app purchases.

### Do sis or 네이버 지식iN, 엑스퍼트 have ads?

sis shows ads; 네이버 지식iN, 엑스퍼트 does not.

### Which is updated more often, sis or 네이버 지식iN, 엑스퍼트?

sis ships an update every 6 weeks, and 네이버 지식iN, 엑스퍼트 monthly. Most recently, sis was updated on October 13, 2026 and 네이버 지식iN, 엑스퍼트 on October 14, 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.*