# ゆれズバ vs 津波

The clearest difference is ads: ゆれズバ at none against 津波's shown. ゆれズバ also leads on review sentiment (26% vs 0%). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. ゆれズバ sells 2 in-app purchases, starting at $2.99 per month and 津波 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ゆれズバ | 津波 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **26.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 84 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [yoshihide uchiyama](https://appshunter.io/developer/1252852670) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### ゆれズバ

[App page](https://appshunter.io/ios/app/id1252852671)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| subscription | $2.99 | per month |
| Latest forecast add-on | $0.99 | one-time |


### 津波

[App page](https://appshunter.io/ios/app/tsunami/id1615362492)

This app displays tsunami observation data and seismic intensity information. It provides details about earthquakes, including time, epicenter, intensity, and magnitude. It also shows tsunami observation data.

**Highlights:** Tsunami observation data, Seismic intensity information, Earthquake details (time, epicenter, magnitude), Real-time updates, User feedback integration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee (Regular) | $0.49 | one-time |
| アプリケーション開発者への応援募金 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is ゆれズバ free?

ゆれズバ is free to download, with in-app purchases available.

### Is 津波 free?

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

### Do ゆれズバ or 津波 have ads?

津波 shows ads; ゆれズバ does not.

### Which is updated more often, ゆれズバ or 津波?

ゆれズバ ships an update every 2 months, and 津波 every 2 months. Most recently, ゆれズバ was updated on October 24, 2026 and 津波 on October 8, 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.*