Commelia vs. Trengo

Trengo brings WhatsApp, email, social channels and voice together for customer-facing business teams, with AI agents that answer routine questions. Commelia is built for services that care for people: groups of professionals and peers, AI grounded in your own knowledge and personal data kept out of it.

Last checked: 16 October 2026

Comparison of Commelia and Trengo
Feature	Commelia	Trengo
Chat with visitors	YesWebsite widget	YesLive chat
Email or mail counselling	YesYour own mailbox (IMAP/SMTP)	Yes
WhatsApp	YesOne number per project, from the Team plan	YesWhatsApp Business API; service conversations free
Other messengers (e.g. Threema, Instagram, Telegram, SMS)	YesThreema, one gateway ID per project	YesInstagram, Facebook, TikTok, SMS
Shift planning for the team	YesAdd-on in Team, included in Organization: shifts, swaps and on-duty routing	Not stated by vendor
AI answers visitors and hands over to people	YesAuto mode with handover, from the Team plan	YesAI agent (HelpMate), billed per AI conversation
AI reply suggestions for the team	YesIncluded in all plans	PartlyAI suggests responses
Automatic translation of conversations	YesRead in your language, reply in the visitor's	Not stated by vendor
Personal data removed before AI and knowledge base	YesKnowledge drafts and summaries always; AI prompts optionally	Not stated by vendor
Visitors can delete their own messages	YesWhen ending a chat in the widget	Not stated by vendor
Hosting location stated	YesSwitzerland, or your own server	Not stated by vendor
Security certification (e.g. ISO 27001)	YesHosted at Swiss ISO 27001-certified providers	Not stated by vendor
Self-hosting on your own server	YesSource code available (FSL-1.1-ALv2)	Not stated by vendor
Prices published online	Yes	YesBoost and Pro plans published; Enterprise on request

What sets Commelia apart

Built for social and health organisations: peer experts and professionals answer together in groups.
An AI assistant that answers from your briefing and approved knowledge base, and hands over on sensitive topics, crisis signals or when someone asks for a person.
Personal data is removed before knowledge entries and summaries are stored.
Hosted at Swiss ISO 27001-certified providers, or on your own server with the source code.
Visitors can delete their messages themselves, and shift planning makes sure someone is on duty.

Where Trengo may be the better fit

You want social channels like Instagram, Facebook and TikTok in the same inbox.
You want to add voice and SMS to your channels.
You want to automate multi-step journeys across channels.

In a nutshell

Trengo

Trengo is a good match if you run a commercial customer service or sales team that wants many channels, automation and an AI agent in one inbox.

Commelia

Commelia is a good match if you run a counselling or support service, need agent groups, shift planning and built-in anonymization, and want hosting in Switzerland.

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How we compare

We only use information the vendors publish on their own websites. The sources are listed on each page.
Where we found no public information, we write “not stated by vendor”. That does not mean the feature is missing.
Products change. Please check the vendor's current information before deciding.
Have we got something wrong or out of date? Write to hallo@commelia.ch and we will correct it promptly.

Sources (vendor websites)

Trengo is a product of Trengo. Product names and trademarks belong to their respective owners. Commelia is not affiliated with Trengo. All information about Trengo comes from the vendor's public websites as of the date shown and is provided without warranty.