Keep radio or push-to-talk for instant voice on large sites where seconds matter. Use C Chat, ideally with CGuard Pro, for written reports, photos, client updates, on-duty access and instant removal of former guards.
Key takeaways
- Radio and push-to-talk win on instant voice; chat wins on records, photos and access control.
- With CGuard Pro, C Chat site groups include on-duty guards, the office and the client.
- Off-duty guards can't read site groups, and fired guards are removed instantly.
- Clients can follow their site in C Chat or the Mi Seguridad app.
- Many companies combine radio for live coordination with chat for reports and client updates.
Security companies communicate on three levels at once: guard to guard on a post, guards to the office, and the company to the client. No single tool handles all three perfectly, which is why many companies run radio, a personal chat app and phone calls side by side. The point of comparing apps is to decide which job each tool should do. The move away from radio-only communication is covered in moving guard communication from radio to chat.
Quick answer: guard communication apps or C Chat?
- Two-way radio is instant, durable and works without data. It leaves no record and can’t carry photos. See messaging app vs two-way radio.
- Push-to-talk apps like Zello bring radio-style voice to phones. See C Chat vs Zello.
- Consumer chats (WhatsApp, Telegram) are familiar but owned by individuals. See Telegram alternatives for companies.
- Guard management suites often include messaging alongside scheduling or patrol features. Capabilities vary by vendor.
- C Chat focuses on messaging, and with CGuard Pro ties site groups to the schedule.
Side-by-side comparison
The table groups the alternatives because they differ so much; treat the “other” column as typical, and check each vendor for specifics.
Encryption and oversight: two different models
C Chat encrypts messages in transit with TLS and at rest with AES-256 using keys specific to each organization. It uses auditable encryption: security companies using CGuard Pro can audit groups and security-related chats with guards and office, and owners and admins can export group conversations. Direct messages between people remain private, and the platform only accesses content for moderation of reported messages or legal requirements, with that access logged.
Other tools range from unencrypted analog radio to apps with end-to-end encryption. For a general comparison of security models, see secure business messaging apps and how to choose a secure messenger.
Team management, guests and offboarding
This is where C Chat is most specific to security companies. With the CGuard Pro integration, each site group includes the guards on duty, the office and the client. Guards off duty can’t read site groups, and guards who are fired are removed instantly. Clients can use C Chat or the Mi Seguridad app. Setup is described in how to set up site groups for security teams, and client reporting in client reporting for security companies.
Residential sites show why this matters: see condo front desk, security and board. Large one-off deployments work the same way; see event security coordination.
When guard communication apps are the better choice
Another tool is the better fit when you need live voice across a large site, coverage where phones have no signal, rugged hardware, or patrol tracking and scheduling inside the same product. C Chat doesn’t offer push-to-talk, calls, GPS tracking or shift scheduling.
Switching or using both
Most companies end up with a combination: radio or push-to-talk for live voice, and C Chat for written reports, photos, check-ins and client communication. Start with one site, pin the post orders and the incident template, and compare a month of records with what you had before.
If you run CGuard Pro, enable the integration; otherwise create a team at getcchat.com/c with one group per site.
C Chat vs Radio, PTT and guard apps: comparison table
| Capability | C Chat | Radio, PTT and guard apps |
|---|---|---|
| Primary mode | Text, photos, video, files, voice notes, location, 🚨 alert | Live voice (radio, PTT) or mixed, depending on the tool |
| Record of communication | Searchable group history; company can audit and export groups | Radio usually none; apps vary by product and plan |
| Who can read a site | With CGuard Pro: only on-duty guards, office and client | Whoever is on the channel or group |
| Former guards | With CGuard Pro, fired guards are removed instantly | Manual removal; radios must be collected |
| Client access | Client in the site group, or the Mi Seguridad app | Depends on the tool; radio rarely includes the client |
| Encryption | TLS in transit + AES-256 at rest, per-organization keys | Varies widely; check each vendor |
| Hardware | Guards' phones or browser; mobile apps coming soon | Radios or phones depending on the tool |
| Price | Free for now with limits (50 members per team) | Radio hardware cost or per-user subscriptions |
Radio, PTT and guard apps details are based on general public information; they can vary by plan and change over time.
Frequently asked questions
What is the best communication app for security guards?
It depends on the job. For instant voice on a large site, radio or push-to-talk is hard to beat. For incident reports with photos, shift changes, client updates and controlling who can read a site, a chat app with company-owned site groups works better. C Chat with CGuard Pro is built for that second job.
Can C Chat replace two-way radios?
Not for live voice. C Chat has voice notes but no push-to-talk or calls. Many companies keep radios for live coordination and move reports, photos and client communication to chat.
Why not just use WhatsApp for guards?
WhatsApp is easy, but groups belong to individuals, former guards often stay in them and the company has no record it controls. Site groups in C Chat belong to the company, and with CGuard Pro access follows the schedule.
Do guards need a company phone?
No. Guards can use C Chat on their own phone through the web app at getcchat.com/c, with iOS and Android apps coming soon. With on-duty access, a personal phone doesn't mean access outside working hours.