# JJY Simulator vs 中付合作伙伴

The clearest difference is update cadence: 中付合作伙伴 at monthly against JJY Simulator's every 66 months. JJY Simulator's advantage is iOS requirement (8.0 vs 15.0). 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.

JJY Simulator ships an update every 66 months, 中付合作伙伴 monthly. The most recent releases landed on October 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | JJY Simulator | 中付合作伙伴 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (19 ratings)](https://appshunter.io/ios/app/jjy-simulator/id431054911/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 68.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 66 months | **Monthly** |
| Monetization | Free | — |
| Size | 1 MB | 51 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NeoCat](https://appshunter.io/developer/431054914) | [中付支付科技有限公司](https://appshunter.io/developer/1060983141) |

## What reviewers say

### JJY Simulator

[App page](https://appshunter.io/ios/app/jjy-simulator/id431054911)

This utility app simulates standard radio waves used by Japanese radio-controlled clocks. It outputs a 13.3kHz audio signal to synchronize your clock, allowing you to manually set the time.

**Highlights:** Simulates JJY standard radio waves, Outputs 13.3kHz audio signal, Synchronizes radio-controlled clocks, Uses 40kHz for time adjustment, Requires earphone connection

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

**In-app purchases:** none


### 中付合作伙伴

[App page](https://appshunter.io/ios/app/id1643661040)

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

**In-app purchases:** none


## Frequently asked questions

### Is JJY Simulator free?

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

### Is 中付合作伙伴 free?

中付合作伙伴 is free to download, with no in-app purchases.

### Do JJY Simulator or 中付合作伙伴 have ads?

Neither JJY Simulator nor 中付合作伙伴 shows ads.

### Which is updated more often, JJY Simulator or 中付合作伙伴?

JJY Simulator ships an update every 66 months, and 中付合作伙伴 monthly. Most recently, JJY Simulator was updated on October 23, 2026 and 中付合作伙伴 on October 11, 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.*