# WatchTalk vs Plain｜騒音を検知して環境音を自動再生

The clearest difference is update cadence: Plain｜騒音を検知して環境音を自動再生 at weekly against WatchTalk's every 4 weeks. WatchTalk's advantage is iOS requirement (9.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

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

WatchTalk ships an update every 4 weeks, Plain｜騒音を検知して環境音を自動再生 weekly. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | WatchTalk | Plain｜騒音を検知して環境音を自動再生 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Size | 208 MB | 12 MB |
| Requires iOS | **9.0** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [UMEOX Innovations Co., Ltd.](https://appshunter.io/developer/1104117218) | [KIICHI STUDIO](https://appshunter.io/developer/1855811809) |

## What reviewers say

### WatchTalk

[App page](https://appshunter.io/ios/app/watchtalk/id1510270850)

**Features:** macOS Compatibility

**In-app purchases:** none


### Plain｜騒音を検知して環境音を自動再生

[App page](https://appshunter.io/ios/app/plain/id6761727598)

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

**In-app purchases:** none


## Frequently asked questions

### Is WatchTalk free?

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

### Is Plain｜騒音を検知して環境音を自動再生 free?

Plain｜騒音を検知して環境音を自動再生 is free to download, with no in-app purchases.

### Do WatchTalk or Plain｜騒音を検知して環境音を自動再生 have ads?

Neither WatchTalk nor Plain｜騒音を検知して環境音を自動再生 shows ads.

### Which is updated more often, WatchTalk or Plain｜騒音を検知して環境音を自動再生?

WatchTalk ships an update every 4 weeks, and Plain｜騒音を検知して環境音を自動再生 weekly. Most recently, WatchTalk was updated on September 9, 2026 and Plain｜騒音を検知して環境音を自動再生 on September 10, 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.*