Comparison
Slack experience, without Salesforce reading along.
Slack has strong team workflows and a huge integrations ecosystem — we know, plenty of our team came from there. What Slack is NOT: end-to-end encrypted. Here’s what we do differently — technically and feature-wise.
Short and honest
Three structural differences with Slack.
No true end-to-end encryption
Slack servers can decrypt every message. US authorities can access them via court order.
US jurisdiction, US servers
Salesforce sits in San Francisco. CLOUD Act and FISA apply — also to EU customers.
Translation and tasks cost extra
Live translation and tasks are Slack add-ons. In Koro they’re part of the platform.
Encryption
Who can read your messages?
The same conversation, two paths. Where does it run encrypted end to end — and where doesn’t it?
Via Slack
You
Sender
Server
Can read along
Markus
Recipient
The provider’s server can read along
Slack only encrypts in transit (TLS) and at rest (AES-256). Slack servers decrypt for processing — search indices, bot processing, compliance export all run on plaintext. Enterprise Key Management (EKM) moves the keys to the customer, but doesn’t change that messages flow unencrypted through Slack infrastructure.
Via Koro
You
Sender
Server
Can’t read
Markus
Recipient
Servers are blind
Diffie-Hellman key exchange on your device. Servers in the EU are blind: they see encrypted packets and routing info, nothing more. Search index and bots run client-side or on user-authorized devices.
Feature by feature
What you get with Koro — and what’s missing in Slack.
Honestly speaking
When does Slack win, when does Koro?
We’re not going to talk Slack down where it doesn’t deserve it. Here’s the honest split.
If this is what you want
Stick with Slack
- Your team already depends on a huge Slack-app ecosystem with critical workflows.
- You need Slack Connect to external Slack workspaces of your customers / partners.
- Compliance requirements allow non-E2E (Slack is ISO certified).
- Slack Huddles and Canvas cover your meeting and doc needs.
If this is what you want
Switch to Koro
- End-to-end encryption is non-negotiable — for compliance, industry or trust reasons.
- EU jurisdiction and EU server location are hard requirements (government, healthcare, finance, public sector).
- You want translation, tasks, customer communication and workspaces without building an add-on stack.
- Whitelabel and API embedding are on your roadmap — and you don’t want to be pushed into enterprise contracts first.
- You’re starting a new team / project and don’t want to be trapped in a 90-day history limit.
Slack vibe, without Salesforce reading along.
Join the waitlist. You get 1 month of Koro Plus at launch — including translation, task sync and workspaces.