ERC Unlocker vs JSS遠隔監視
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ERC Unlocker
This utility app calculates ERC codes required for certain car audio and navigation systems after power interruptions. It offers a simple process to regain access to multimedia features by entering your device's serial number.
- Fast ERC code calculation
- Supports wide range of audio units
- Simple instructions
- Convenient and quick access
- Customer support
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What is an ERC Calculator? ERC Calculator is a utility app designed to help users calculate ERC codes for supported car audio and navigation systems. In some vehicles, especially imported models, the multimedia system may require an ERC code after a battery replacement or power interruption. This app provides a simple way to calculate the required code. Key Features • Fast and accurate ERC code calculation • Supports a wide range of compatible audio & navigation units • Simple and easy-to-follow instructions • Designed for convenience and quick access • Customer support available How It Works Turn on your car audio or navigation system Access the service screen to find your 16-digit serial number Enter the serial number into the app The app calculates the corresponding ERC code Enter the code into your audio unit to continue normal functionality Supported Audio Units Following is a list of units which can be unlocked by ERC code supplied by this app. etc where applicable This app is compatible with the following multimedia models: NSZT-W68T, NSZT-Y68T, NSZT-W69T, NSZN-Z68T , and NSCN-W68. NDDN-W57,ND3T,ND3T-W57,NDDN-W57,NDDN-W58,NDDN-W58-W57,NH3N-W58,NH3T-W57,NHBA-W62G,NHDA,NHDA-W61G,NHDT,NHDT-W57,NHDT-W58,NHDT-W58G,NHDT-W58-W59-W58G,NHDT-W59,NHDT-W59G,NHDT-W60G,NHZD-W62G,NHZN,NHZN-,NHZN-W57,NHZN-W57-W58,NHZN-W58,NHZN-W59C,NHZN-W59G,NHZN-W60G,NHZN-W61,NHZN-W61G,NHZT-W58,NHZT-W58G,NSCN-W59C,NSCN-W60,NSCP-W61,NSCP-W62,NSCT-W61,NSDD-W61,NSDN-W59,NSDN-W60,NSDT-W59,NSZT-W60,NSZT-W61G,NSZT-W62G,W60G,W60G-NHDT. Important Information • This app is intended for use with compatible devices only • Results depend on correct serial number input • This app is not affiliated with or endorsed by any vehicle manufacturer • Please ensure you have proper authorization to access your audio Why Choose ERC Calculator™? ERC Calculator provides a reliable and user-friendly way to calculate ERC codes and restore access to essential multimedia features after power interruptions.
JSS遠隔監視
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.
- Live and recorded video playback
- Wide-angle camera distortion correction
- PTZ camera control
- Video image capture
- Calendar search and playback
- Device management
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ＪＳＳ遠隔監視－モバイルは、ジャパン・セキュリティシステムのセキュリティネットワーク製品向けに特別に設計された無料のアプリケーションで、これらの機器をスマートフォンでどこからでも操作することが可能です。 [特徴] 1. ライブ映像や録画映像を表示 2. 全方位カメラの歪補正機能 (機能提供できない場合は記載削除) 3. PTZカメラの制御 4. ビデオ画像キャプチャ機能 5. カレンダー検索/再生/ブックマーク機能
Screenshots
Verdict
The clearest difference is review sentiment: ERC Unlocker at 56% against JSS遠隔監視's 0%. ERC Unlocker also leads on update cadence (every 6 weeks vs every 4 months). JSS遠隔監視's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ERC Unlocker sells 2 one-off in-app purchases. JSS遠隔監視 asks for nothing beyond the download.
ERC Unlocker ships an update every 6 weeks, JSS遠隔監視 every 4 months. The most recent releases landed on October 29, 2026 and October 11, 2026 respectively.
| Parameter | ERC Unlocker | JSS遠隔監視 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (8 ratings) — better | — |
| Positive reviews | 56.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 8 — better | — |
| Update frequency | Every 6 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.3 |
| Further details — not scored | ||
| Size | 8 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Zeeshan Ahmad | Japan Security System |
Customer experience
ERC Unlocker
JSS遠隔監視
In-app purchases
ERC Unlocker
- Get 1 ERC Code$9.99
- Get 1 68 Series ERC Code$19.99
JSS遠隔監視
No in-app purchases
