GSC Assistant vs PD BlackPearl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GSC Assistant
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GSC Assistant is a mobile client that works with the GSC series from Grandstream. It supports fast management and playback of GSC3516/3506/3510/3505 products on your mobile device. It also features fast management of GSCs in the same LAN, quick positioning, convenient playback of single GSC, custom partitioning of multiple GSCs, and unified playback for multiple zones. It also supports IPv4 and IPv6, and is compatible with complex network environments. GSC Assistant enables users to manage their GSCs’ playback more conveniently and quickly, allows GSCs to better integrate into the users' work and life.
PD BlackPearl
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Take full control of your BlackPearl Pump with our dedicated mobile app. Designed for convenience and performance, this app lets you connect and manage your pump effortlessly via Bluetooth. Key Features: Bluetooth Connectivity: Quickly pair your device with your PD WaterSystem Pump for seamless wireless control. Pump Control: Start, stop, and adjust pump operation directly from your smartphone. Custom Settings: Set and fine-tune pump parameters to match your specific needs. Real-Time Alerts: Instantly view error messages and status updates to keep your system running smoothly. Support Access: Easily contact customer assistance for help or technical support.
Screenshots
Verdict
The clearest difference is device support: GSC Assistant at 3 against PD BlackPearl's 1. GSC Assistant also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
GSC Assistant ships an update every 18 months, PD BlackPearl every 12 months. Both last shipped on October 25, 2026.
| Parameter | GSC Assistant | PD BlackPearl |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 18 months | Every 12 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 38 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | Grandstream | PD WATER SYSTEMS LLC |
In-app purchases
GSC Assistant
No in-app purchases
PD BlackPearl
No in-app purchases
Questions
Is GSC Assistant free?
Is PD BlackPearl free?
Do GSC Assistant or PD BlackPearl have ads?
Which is updated more often, GSC Assistant or PD BlackPearl?
Other comparisons
