# PDD Scanner > Local network device discovery and monitoring for power system controllers. (iPhone/iPad app by High Speed Telecommunication.) - Source: https://appshunter.io/ios/app/pdd-scanner/id6761574984 (this page in markdown: same URL + `.md`) - Developer: [High Speed Telecommunication](https://appshunter.io/developer/1830087852) - Category: Utilities, Productivity - Price: Free - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 17 MB - Languages: American English - Released: 2026-04-06 - Data updated: 2026-06-26 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/pdd-scanner/id6761574984/reviews.md ## What is PDD Scanner? PDD Scanner — Power Device Discovery Find and monitor Device power system controllers on your local network. PDD Scanner automatically discovers compatible devices using the MNDP protocol — just open the app and devices appear. FEATURES: • Auto-Discovery — devices announce themselves every 30 seconds • HTTP Network Scan — scan any IP range to find devices • Secure Authentication — challenge-response protocol, password never sent over network • Real-time Status — see bus voltage, AC status, rectifier count, uptime • One-tap Dashboard — open any device's web interface instantly • Dark Theme — professional monitoring interface • Subnet Presets — quick switch between common network ranges COMPATIBLE DEVICES: • DC RS232/RS485 Rectifier • DC Controller (ACS758 current sensor) • CAN-Bus/RS232/RS485 Sniffer PROTOCOL: • MNDP (UDP 64321) — automatic passive discovery • HTTP API — active network scanning • Secure Discovery — MD5 challenge-response authentication No account required. No cloud. Works entirely on your local network. © 2026 eviq.app Contact: ppd@ev.iq ## Key features - Automatic device discovery via MNDP - HTTP network scanning for IP ranges - Secure challenge-response authentication - Real-time status monitoring (voltage, AC, uptime) - One-tap access to device web interfaces - Dark theme for professional monitoring - Subnet presets for quick network switching ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/pdd-scanner/id6761574984/reviews.md ### 5/5 — It’s great app & I useful *2026-04-06* Make more from that apps ## Frequently asked questions about PDD Scanner ### What devices can PDD Scanner find? PDD Scanner can discover DC RS232/RS485 Rectifiers, DC Controllers with ACS758 current sensors, and CAN-Bus/RS232/RS485 Sniffers. It uses the MNDP protocol for automatic passive discovery and HTTP API for active network scanning. ### How does PDD Scanner ensure security? PDD Scanner uses a secure challenge-response protocol for authentication, meaning your password is never sent over the network. This provides a secure way to access and monitor your devices. ### Does PDD Scanner require an account or cloud connection? No, PDD Scanner does not require an account and works entirely on your local network. There is no cloud dependency, ensuring your data remains private and accessible offline. ### How often does PDD Scanner update device information? Devices automatically announce themselves every 30 seconds, ensuring that you receive real-time status updates. This frequent update cycle allows for immediate awareness of any changes. ### What kind of real-time status information does PDD Scanner provide? PDD Scanner provides critical real-time status information including bus voltage, AC status, rectifier count, and device uptime. This detailed insight helps in efficient monitoring and troubleshooting. ### Is PDD Scanner available on Android devices? PDD Scanner is currently supported on iPhone, iPad, and iPod devices. Future platform support may be considered based on user demand and development resources. ### What is the update frequency for PDD Scanner? PDD Scanner was last updated on April 6, 2026, with version 1.0. The app's design focuses on stable functionality for device discovery and monitoring. ### Does PDD Scanner have ads? No, PDD Scanner is completely free and does not contain any advertisements. Users can enjoy an uninterrupted experience while monitoring their network devices. ## Version history (last 1 release) ### 1.0 — 2026-04-06 No release notes. ## More apps by High Speed Telecommunication - [FACTGPS](https://appshunter.io/ios/app/factgps/id6749337448) - [EV.IQ](https://appshunter.io/ios/app/eviq/id6762925907) All apps by High Speed Telecommunication: https://appshunter.io/developer/1830087852 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-26.*