# sis vs Plan B Archive

The clearest difference is in-app purchases: Plan B Archive at none against sis's 2. Plan B Archive also leads on update cadence (weekly vs every 6 weeks). sis's advantage is iOS requirement (13.0 vs 15.5). On price, ads 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. Plan B Archive asks for nothing beyond the download.

sis ships an update every 6 weeks, Plan B Archive weekly. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | sis | Plan B Archive |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 13.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 73 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Jeong Sohee](https://appshunter.io/developer/1468893469) | [shin donghyuck](https://appshunter.io/developer/1888394232) |

## 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 |


### Plan B Archive

[App page](https://appshunter.io/ios/app/plan-b-archive/id6761249585)

**In-app purchases:** none


## Frequently asked questions

### Is sis free?

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

### Is Plan B Archive free?

Plan B Archive is free to download, with no in-app purchases.

### Do sis or Plan B Archive have ads?

Both sis and Plan B Archive show ads.

### Which is updated more often, sis or Plan B Archive?

sis ships an update every 6 weeks, and Plan B Archive weekly. Most recently, sis was updated on October 13, 2026 and Plan B Archive on October 5, 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.*