Flock Safety vs SD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flock Safety
This app provides law enforcement and security personnel with real-time alerts and insights. It offers instant License Plate Recognition and audio detection, along with tools for vehicle lookup and hot list verification. The app ensures users receive critical information precisely when they need it, tailored to their duty shifts and locations.
- Real-time LPR alerts
- Real-time audio detection alerts
- License plate lookup
- Shift mode for duty-specific alerts
- Notifications by radius
- Hot list verification via image upload
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Flock Safety empowers officers and security personnel to be at their best, wherever duty takes them. In a job where precision and timeliness are paramount, the Flock Safety mobile app delivers quick, reliable information to stay a step ahead. Get instant LPR (License Plate Recognition) and audio insights, specifically tailored to your location and shift timings. No more outdated information; get the data you need, right when you need it. Real-Time Hot List Alerts: Receive immediate, clear images of vehicles and their plates, ensuring rapid and accurate identification of vehicles of interest. Real-Time Audio Detection Alerts: Instantly access and replay crime-related audio clips such as gunshots or sideshow sounds, pinpointing the exact location directly within the app for timely response. License Plate Lookup: Gain quick access to vital information with our efficient license plate lookup. Know more about a vehicle of interest from the convenience of your mobile device. What else you can do with Flock Safety: • Shift Mode: Ensure that critical alerts reach you only when you're on duty. Stay focused, stay informed. • Notifications by Radius: Select the distance to be alerted by, so that no matter where you go, the alerts you receive are pertinent and actionable while you are on shift. • Hot List Verification via Image Upload: Snap. Upload. Confirm. Eliminate guesswork by simply taking a photo of a vehicle to determine its relevance to ongoing investigations.
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 • SAM family / MC360 / EZ Speed Trailers - Retrieve survey files and adjust clock settings. • Traffic Data Collector 2 (TDC 2) – Retrieve survey files, view live traffic collection, and configure recording schedules. • Pole Mounted Graphic Display (PMG) - Configuration tabs for rapid on-site setup and exports. ■ HOW IT WORKS ■ 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 • Real-time device dashboard (battery, memory, survey recording). • Fast wireless survey download faster and more convenient than traditional in-person data offloading. • Streamlined PMG setup and management for quick provisioning, radar tuning, and data workflows. Permissions Required • Bluetooth - Discover and communicate with SAM 3 / TDC 2 / PMG devices. • Location (When Using) - Confirm location reporting without leaving the app. • Files & Media - Save and share exported traffic surveys. Device Requirements • iPhone 8 or newer running iOS 14 or later. • A Street Dynamics SAM family / MC360 / EZ Speed / TDC 2 / PMG with current hardware.
Screenshots
Verdict
The clearest difference is update cadence: Flock Safety at fortnightly against SD's every 2 months. SD's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support 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.
Flock Safety ships an update fortnightly, SD every 2 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | Flock Safety | SD |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (7.8K ratings) — better | — |
| Positive reviews | 56.7% of reviews | — |
| Number of ratings | 7.8K — better | — |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 176 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | flock group inc | Applied Concepts Incorporated |
Bugs and requests
Flock Safety
Reported bugs
1 issue- No way to hotlist a vehicle through the app
Requested features
4 requests- Option to input miss-reads
- Ability to change alert types from app
- Suppress hit option
- Search by vehicle description
SD
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Flock Safety
No in-app purchases
SD
No in-app purchases








