SD vs GClock
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SD
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The all-in-one companion for Street Dynamics traffic devices. Connect. Configure. Collect - and get back on the road. One App - Zero Hassle β’ SAM family / MC360 / EZ Speed Trailers - Retrieve survey files and adjust clock settings. β’ Traffic Data Collector 2 (TDC 2) β Retrieve survey files, view live traffic collection, and configure recording schedules. β’ Pole Mounted Graphic Display (PMG) - Configuration tabs for rapid on-site setup and exports. β HOW IT WORKS β Discover & Connect - Nearby Street Dynamics products appear instantly. Pick one to view vitals like battery level, firmware version, and time settings. Troubleshoot & Setup - View device location reporting, battery status/health, and live traffic collection from the palm of your hand. Schedule & Collect - Adjust collection intervals on the fly. When ready, transfer surveys wirelessly to your mobile device. Analyze & Share - Export data files straight to email or cloud storage. No SD cards, no ladders, no wasted trips. Key Features β’ Real-time device dashboard (battery, memory, survey recording). β’ Fast wireless survey download faster and more convenient than traditional in-person data offloading. β’ Streamlined PMG setup and management for quick provisioning, radar tuning, and data workflows. Permissions Required β’ Bluetooth - Discover and communicate with SAM 3 / TDC 2 / PMG devices. β’ Location (When Using) - Confirm location reporting without leaving the app. β’ Files & Media - Save and share exported traffic surveys. Device Requirements β’ iPhone 8 or newer running iOS 14 or later. β’ A Street Dynamics SAM family / MC360 / EZ Speed / TDC 2 / PMG with current hardware.
GClock
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GClock turns your phone into a beautiful desk clock β showing the time and your local weather on a single screen. β Many clock themes Digital, analog, compass, cassette tape, vintage LCD, and more. Pick the style that fits your mood, and download fresh designs anytime from the Theme Store. β Live weather See the temperature, feels-like, and humidity for your current location right beside the clock. β Automatic night mode Dims the screen gently during the hours you set β easy on the eyes on your nightstand. β Alarms & screen stays on Never miss an important time, and keep the screen awake while the clock is showing. A clock that looks right on your desk, nightstand, or kitchen counter β GClock.
Screenshots
Verdict
SD and GClock are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | SD | GClock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | β |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details β not scored | ||
| Size | 50 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Applied Concepts Incorporated | κ·Έλ Έν° |
In-app purchases
SD
No in-app purchases
GClock
No in-app purchases









