# Flock Safety vs SD

The clearest difference is iOS requirement: SD at 13.0 against Flock Safety's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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 3 weeks. The most recent releases landed on September 28, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Flock Safety | SD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7.6K ratings)](https://appshunter.io/ios/app/flock-safety/id1667653638/reviews)** | — |
| Number of ratings | **7.6K** | — |
| Positive reviews | 60.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 188 MB | 10 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [flock group inc](https://appshunter.io/developer/1450670007) | [Applied Concepts Incorporated](https://appshunter.io/developer/1439604257) |

## What reviewers say

### Flock Safety

[App page](https://appshunter.io/ios/app/flock-safety/id1667653638)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and easy to use
- 👍 Great system
- 👍 Excellent product
- 👍 Well-integrated alerts
- 👍 User-friendly app

**What reviewers complain about**

- 🔒 Invasion of privacy concerns
- 🐛 Occasional miss-reads

**Reported bugs**

- No way to hotlist a vehicle through the app

**Requested features**

- Option to input miss-reads
- Ability to change alert types from app
- Suppress hit option
- Search by vehicle description


### SD

[App page](https://appshunter.io/ios/app/sdtdc-2/id6462012351)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flock Safety free?

Flock Safety is free to download, with no in-app purchases.

### Is SD free?

SD is free to download, with no in-app purchases.

### Do Flock Safety or SD have ads?

Neither Flock Safety nor SD shows ads.

### Which is updated more often, Flock Safety or SD?

Flock Safety ships an update fortnightly, and SD every 3 weeks. Most recently, Flock Safety was updated on September 28, 2026 and SD on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*