# うみびん vs Rolling SNS

The clearest difference is in-app purchases: うみびん at none against Rolling SNS's 4. Rolling SNS's advantage is iOS requirement (13.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Rolling SNS sells 4 in-app purchases, starting at $2.99 per month. うみびん asks for nothing beyond the download.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | うみびん | Rolling SNS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Daily | Daily |
| Size | 100 MB | 73 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Akito Ikeshita](https://appshunter.io/developer/1884315193) | [YUICHIRO IWADATE](https://appshunter.io/developer/1894840575) |

## What reviewers say

### うみびん

[App page](https://appshunter.io/ios/app/umibin/id6760686115)

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

**In-app purchases:** none


### Rolling SNS

[App page](https://appshunter.io/ios/app/rolling-sns/id6762613824)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP会員 | $2.99 | per month |
| チケット10枚 | $0.99 | one-time |
| チケット50枚 | $2.99 | one-time |
| チケット100枚 | $5.99 | one-time |


## Frequently asked questions

### Is うみびん free?

うみびん is free to download, with no in-app purchases.

### Is Rolling SNS free?

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

### Do うみびん or Rolling SNS have ads?

Both うみびん and Rolling SNS show ads.

### Which is updated more often, うみびん or Rolling SNS?

うみびん ships an update daily, and Rolling SNS daily. Most recently, うみびん was updated on October 8, 2026 and Rolling SNS on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*