Short answer: choose Reality Defender for teams that want to build deepfake detection into their own applications through an API, or need air-gapped deployment. Choose Netarx for organizations that want one product covering meetings, phones, email and messaging for every employee, with per-user pricing and a free tier to start.
Published by Netarx. Competitor details come only from Reality Defender's public documentation; sources are listed below.
Cross-media platform that checks video, voice, email, SMS and files in real time and shows a green, yellow or red verdict on the user's own device.
Focus: Employee-facing protection across every channel an attacker can use: meetings, phone, email and messaging.
Pricing: Individual: free. Business: free for 10 or fewer users, then $5 per user per month (30-day trial). Enterprise: $10 per user per month.
Multi-model detection for voice, video and images, sold as an API with SDKs and as meeting and call-center apps (Real Suite).
Focus: Finance, government and large enterprise; developer API plus contact-center and meeting protection.
Pricing: Free: $0, 50 scans per month. Business: $399 per month billed annually, 1,000 scans. Enterprise: custom.
They differ on 7 of 17 capabilities. “Not published” means we could not find it in public documentation; it may be available under contract.
| Capability | Netarx (NIK) | Reality Defender |
|---|---|---|
| Channels | ||
| Voice / audioCloned voices on phone calls, voicemail and help desk lines. | YesMobile calls, voicemail, call center | YesAPI and RealCall telephony |
| VideoFace swaps and real-time avatars on video calls. | YesLive meetings | YesAPI and RealMeeting |
| Images and filesManipulated images, documents and media files. | YesFile upload forensics, email attachments | Yes |
| Email impersonationAI-written phishing and BEC that passes content filters. | YesAI anti-phishing for Outlook, Gmail, Mac Mail | NoNo email product |
| SMS and messaging appsSmishing and impersonation over text and WhatsApp. | YesiOS and Android messaging, WhatsApp | Not published |
| Where it runs | ||
| Real-time on live callsA verdict during the conversation, before money moves. | YesSub-second traffic-light verdict | YesLive calls and meetings |
| Microsoft Teams | Yes | YesReal Suite plugin |
| Zoom | YesZoom App Marketplace | YesMeeting bot |
| Google Meet | Yes | Not published |
| Webex | Yes | PartialListed on API page only |
| Contact center / telephonyGenesys, Five9, Amazon Connect and SIP-based call centers. | YesFive9, Genesys, Cisco, Microsoft Teams | PartialRealCall; no named CCaaS platforms |
| Endpoint agentProtection on the user's own laptop and phone, not only inside one app. | YesWindows, Mac, iOS, Android, Chrome | Not publishedBots, plugins, web app, API |
| Platform | ||
| Public API / SDKsFor building detection into your own apps and workflows. | YesREST API on Business and Enterprise | YesPython, TS, Go, Rust, Java SDKs |
| On-prem / private deploymentRequired by many regulated and government buyers. | YesEnterprise tier | YesIncluding air-gapped |
| Identity verificationConfirms the person is who they claim, not only that media is synthetic. | YesParticipant verification without safe words | PartialDetection inside KYC flows, not IDV itself |
| Buying | ||
| Published pricingWhether you can see the price before talking to sales. | YesFree tier; $5 and $10 per user per month | YesFree 50 scans/mo; Business $399/mo |
| Analyst recognition | YesIDC Innovators: Deepfake Detection, 2025; cited in Gartner 2025 research | YesGartner Market Shaper, 2026 |
Reality Defender: Multi-model detection for voice, video and images, sold as an API with SDKs and as meeting and call-center apps (Real Suite). Netarx: Cross-media platform that checks video, voice, email, SMS and files in real time and shows a green, yellow or red verdict on the user's own device.
Based on public documentation reviewed October 5, 2026, Netarx fully covers these areas where Reality Defender is partial or does not publish support: email impersonation, sms and messaging apps, google meet, webex, contact center / telephony, endpoint agent, identity verification.
Broad SDK support: Python, TypeScript, Go, Rust and Java. On-prem, private cloud, containerized and air-gapped deployment on Enterprise. Named a Market Shaper in Gartner's 2026 Emerging Market Quadrant for deepfake detection startups. Free developer tier (50 scans per month) and published Business pricing.
Netarx: Individual: free. Business: free for 10 or fewer users, then $5 per user per month (30-day trial). Enterprise: $10 per user per month. Reality Defender: Free: $0, 50 scans per month. Business: $399 per month billed annually, 1,000 scans. Enterprise: custom.
Reality Defender is a good fit for teams that want to build deepfake detection into their own applications through an API, or need air-gapped deployment. Netarx is a better fit for organizations that want one product covering meetings, phones, email and messaging for every employee, with per-user pricing and a free tier to start.
Reviewed October 5, 2026. Spot something out of date? Tell us and we will fix it.
NIK is free for individuals and teams of 10 or fewer. Put it in a meeting with a live avatar and compare the verdicts yourself.
