# JSS遠隔監視 vs symphonyアプリ

The clearest difference is update cadence: symphonyアプリ at every 5 weeks against JSS遠隔監視's every 8 months. JSS遠隔監視's advantage is iOS requirement (9.0 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.

JSS遠隔監視 ships an update every 8 months, symphonyアプリ every 5 weeks. The most recent releases landed on October 10, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | JSS遠隔監視 | symphonyアプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Size | 101 MB | 38 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Japan Security System](https://appshunter.io/developer/1434044763) | [fabrica communications Co., LTD.](https://appshunter.io/developer/512560738) |

## What reviewers say

### JSS遠隔監視

[App page](https://appshunter.io/ios/app/jss/id1434044764)

**Features:** macOS Compatibility

**In-app purchases:** none


### symphonyアプリ

[App page](https://appshunter.io/ios/app/symphony/id1611150773)

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

**In-app purchases:** none


## Frequently asked questions

### Is JSS遠隔監視 free?

JSS遠隔監視 is free to download, with no in-app purchases.

### Is symphonyアプリ free?

symphonyアプリ is free to download, with no in-app purchases.

### Do JSS遠隔監視 or symphonyアプリ have ads?

Neither JSS遠隔監視 nor symphonyアプリ shows ads.

### Which is updated more often, JSS遠隔監視 or symphonyアプリ?

JSS遠隔監視 ships an update every 8 months, and symphonyアプリ every 5 weeks. Most recently, JSS遠隔監視 was updated on October 10, 2026 and symphonyアプリ 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.*