# うみびん vs Meku

The clearest difference is in-app purchases: うみびん at none against Meku's 1. うみびん also leads on update cadence (daily vs every 2 weeks) and iOS requirement (17.6 vs 26.2). Meku's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Meku sells 1 in-app purchase, starting at $1.99 per month. うみびん asks for nothing beyond the download.

うみびん ships an update daily, Meku every 2 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | うみびん | Meku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 100 MB | 21 MB |
| Requires iOS | **17.6** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Akito Ikeshita](https://appshunter.io/developer/1884315193) | [Mitori Madoka](https://appshunter.io/developer/1876174062) |

## 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


### Meku

[App page](https://appshunter.io/ios/app/meku/id6761166697)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Meku プレミアム月額 | $1.99 | per month |


## Frequently asked questions

### Is うみびん free?

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

### Is Meku free?

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

### Do うみびん or Meku have ads?

うみびん shows ads; Meku does not.

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

うみびん ships an update daily, and Meku every 2 weeks. Most recently, うみびん was updated on October 31, 2026 and Meku on November 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.*