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Sirena CRM (Zenvia): alternative and comparison for WhatsApp

What Sirena CRM (Zenvia) is

Sirena, now part of Zenvia, is a platform focused on centralizing sales conversations over WhatsApp and other channels, aimed at sales teams that need to follow up on leads.

What to look for when comparing tools like this

What to consider before choosing

The best tool depends on your team size and how much you want to automate with AI versus just organizing conversations manually. It's worth testing before committing to an annual contract.

Where HeroChat fits in

HeroChat offers a multi-agent inbox, an AI bot that summarizes and suggests the next action, a product catalog connected to payment, and content tools (Vox) for ads — all in one panel, built for businesses that want to sell over WhatsApp without needing a dedicated technical team.

Pick your plan and start today

Secure payment processed by Hotmart.

Básico $15/mo See more ▾

The full CRM, to sell over WhatsApp without generating AI ads.

  • Everything in the CRM included
Get started →
Intermedio $22/mo See more ▾

The complete CRM + Vox: generate your own AI ads.

  • Everything in the Basic plan
  • 🎬 Vox: AI script generator
  • 🗣️ Free voice narration
  • 🖼️ 30+ image/video/audio tools
Get started →
Premium $30/mo See more ▾

Everything, no limits: clone your voice and create talking avatars.

  • Everything in the Pro plan
  • 🎙️ Clone your own voice (free)
  • 🎭 Talking avatar — photo + audio → video
  • ✨ Remove objects/watermarks with AI
Get started →

Frequently asked questions

Does Sirena CRM only work for WhatsApp?

It's mainly focused on WhatsApp, though as part of Zenvia it also covers other channels.

What's the first thing to compare between platforms like this?

Real multi-agent support and how much they automate with AI versus just organizing messages.

Does HeroChat include AI automation beyond the shared inbox?

Yes, it includes an AI bot that summarizes conversations and suggests the next action, not just organizing messages.

Is it a good idea to commit to an annual contract without testing first?

It's not recommended — it's worth testing the tool first with your real sales flow.

Pick your plan and start today

Secure payment processed by Hotmart.

Básico $15/mo See more ▾

The full CRM, to sell over WhatsApp without generating AI ads.

  • Everything in the CRM included
Get started →
Intermedio $22/mo See more ▾

The complete CRM + Vox: generate your own AI ads.

  • Everything in the Basic plan
  • 🎬 Vox: AI script generator
  • 🗣️ Free voice narration
  • 🖼️ 30+ image/video/audio tools
Get started →
Premium $30/mo See more ▾

Everything, no limits: clone your voice and create talking avatars.

  • Everything in the Pro plan
  • 🎙️ Clone your own voice (free)
  • 🎭 Talking avatar — photo + audio → video
  • ✨ Remove objects/watermarks with AI
Get started →