# うみびん vs BLAB.

The clearest difference is in-app purchases: うみびん at none against BLAB.'s 5. BLAB.'s advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. BLAB. sells 5 in-app purchases, starting at $2.99 per month. うみびん asks for nothing beyond the download.

うみびん ships an update daily, BLAB. every 2 days. The most recent releases landed on October 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | うみびん | BLAB. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 days |
| Size | 100 MB | 20 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Akito Ikeshita](https://appshunter.io/developer/1884315193) | [beatLabs](https://appshunter.io/developer/1896401584) |

## 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


### BLAB.

[App page](https://appshunter.io/ios/app/blab/id6807564772)

**Features:** iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BLAB. Pro Monthly | $2.99 | per month |
| Pro Yearly | $22.99 | per year |
| Sponsored challenge | $9.99 | one-time |
| Sponsored day · 5 countries | $19.99 | one-time |
| Sponsored day · worldwide | $39.99 | 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 BLAB. free?

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

### Do うみびん or BLAB. have ads?

うみびん shows ads; BLAB. does not.

### Which is updated more often, うみびん or BLAB.?

うみびん ships an update daily, and BLAB. every 2 days. Most recently, うみびん was updated on October 8, 2026 and BLAB. 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.*