# JSS遠隔監視 vs Lunar Timer

The clearest difference is in-app purchases: JSS遠隔監視 at none against Lunar Timer's 1. JSS遠隔監視 also leads on ads (none vs shown). Lunar Timer's advantage is update cadence (every 9 days vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lunar Timer sells 1 in-app purchase, starting at $1.99 per month. JSS遠隔監視 asks for nothing beyond the download.

JSS遠隔監視 ships an update every 4 months, Lunar Timer every 9 days. The most recent releases landed on September 8, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | JSS遠隔監視 | Lunar Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 112 MB | 21 MB |
| Requires iOS | **16.3** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Japan Security System](https://appshunter.io/developer/1434044763) | [ATSUKO MOTOYAMA](https://appshunter.io/developer/1868868796) |

## What reviewers say

### JSS遠隔監視

[App page](https://appshunter.io/ios/app/jss/id1571446359)

This utility app allows users to remotely monitor and control Japan Security System's network security devices from their smartphones. View live and recorded footage, control PTZ cameras, and manage device settings from anywhere.

**Highlights:** Live and recorded video playback, Wide-angle camera distortion correction, PTZ camera control, Video image capture, Calendar search and playback, Device management

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

**In-app purchases:** none


### Lunar Timer

[App page](https://appshunter.io/ios/app/lunar-timer/id6757776396)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.99 | per month |


## 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 Lunar Timer free?

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

### Do JSS遠隔監視 or Lunar Timer have ads?

Lunar Timer shows ads; JSS遠隔監視 does not.

### Which is updated more often, JSS遠隔監視 or Lunar Timer?

JSS遠隔監視 ships an update every 4 months, and Lunar Timer every 9 days. Most recently, JSS遠隔監視 was updated on September 8, 2026 and Lunar Timer on September 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.*