# うみびん vs だいじょぶ島｜気持ちを分かち合う匿名SNS

The clearest difference is ads: だいじょぶ島｜気持ちを分かち合う匿名SNS at none against うみびん's shown. うみびん's advantage is update cadence (daily vs every 11 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

うみびん ships an update daily, だいじょぶ島｜気持ちを分かち合う匿名SNS every 11 days. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | うみびん | だいじょぶ島｜気持ちを分かち合う匿名SNS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 11 days |
| Monetization | — | Free |
| Size | 100 MB | 61 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Akito Ikeshita](https://appshunter.io/developer/1884315193) | [Kento Ito](https://appshunter.io/developer/6777476786) |

## 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


### だいじょぶ島｜気持ちを分かち合う匿名SNS

[App page](https://appshunter.io/ios/app/sns/id6788014138)

This app provides a safe, anonymous space to share your feelings and receive supportive messages. Grow your personal island by sharing your voice and receiving encouragement from others. It's a place to be yourself without judgment or competition.

**Highlights:** Anonymous sharing of feelings, Receive supportive messages, Personalized island growth, No rankings or competition, Option to 'sail away' messages, Safety features like reporting and blocking

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

**In-app purchases:** none


## Frequently asked questions

### Is うみびん free?

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

### Is だいじょぶ島｜気持ちを分かち合う匿名SNS free?

だいじょぶ島｜気持ちを分かち合う匿名SNS is free to download, with no in-app purchases.

### Do うみびん or だいじょぶ島｜気持ちを分かち合う匿名SNS have ads?

うみびん shows ads; だいじょぶ島｜気持ちを分かち合う匿名SNS does not.

### Which is updated more often, うみびん or だいじょぶ島｜気持ちを分かち合う匿名SNS?

うみびん ships an update daily, and だいじょぶ島｜気持ちを分かち合う匿名SNS every 11 days. Most recently, うみびん was updated on October 8, 2026 and だいじょぶ島｜気持ちを分かち合う匿名SNS on October 14, 2026.

---

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