# Onsen Search vs 通話Timer

The clearest difference is rating: 通話Timer at 5.0 against Onsen Search's 4.5. 通話Timer also leads on update cadence (every 6 weeks vs every 3 months) and iOS requirement (15.0 vs 18.6). Onsen Search's advantage is in-app purchases (none vs 5). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. 通話Timer sells 5 in-app purchases, starting at $2.99 per month. Onsen Search asks for nothing beyond the download.

通話Timer holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Onsen Search ships an update every 3 months, 通話Timer every 6 weeks. The most recent releases landed on September 20, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Onsen Search | 通話Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/onsen-search/id353335235/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/timer/id1440445087/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 38.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 16 MB | 69 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [shinichi tanimoto](https://appshunter.io/developer/338978015) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### Onsen Search

[App page](https://appshunter.io/ios/app/onsen-search/id353335235)

Discover Japanese hot springs with this app. Search by area, hot spring properties, or your current location. Save your favorites and view facility information for accommodations.

**Highlights:** Search by area, Search by hot spring property, Search by current location, Bookmark hot springs, View accommodation facility info, Supports Japanese language

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

**In-app purchases:** none


### 通話Timer

[App page](https://appshunter.io/ios/app/timer/id1440445087)

This app helps prevent long phone calls by notifying you when a set time limit is reached. It vibrates your phone and offers features like call history and cumulative call time tracking.

**Highlights:** Timed call notifications, Call history tracking, Cumulative call time, Contact integration, Favorite contact management, Adjustable timer reset

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告停止課金モデル | $2.99 | per month |
| Coffee (R) | $0.49 | one-time |
| 開発者応援 | $1.99 | one-time |
| Coffee (Large) | $1.99 | one-time |
| Cake Set | $5.99 | one-time |


## Frequently asked questions

### Is Onsen Search free?

Onsen Search is free to download, with no in-app purchases.

### Is 通話Timer free?

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

### Which has better reviews, Onsen Search or 通話Timer?

通話Timer is rated higher. Onsen Search averages 4.5 out of 5 from 2 ratings, while 通話Timer averages 5.0 from 1 ratings.

### Do Onsen Search or 通話Timer have ads?

Both Onsen Search and 通話Timer show ads.

### Which is updated more often, Onsen Search or 通話Timer?

Onsen Search ships an update every 3 months, and 通話Timer every 6 weeks. Most recently, Onsen Search was updated on September 20, 2026 and 通話Timer on August 19, 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.*