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Panel rating · 6 judges · How to read the stars

Category median

Sovereignty: not determined

0–5 in half steps. 5 means the rubric's top anchor is met on the evidence.

by CAKE.com · pumble.com

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Read this page as one judge. Each weighs the same scores by what they care about.

The Works Council Advocate

Weighted verdict

Knows that a chat log is a record of who spoke to whom at what hour. Wants presence a person controls, no individual activity scoring anywhere, retention that deletes rather than hides, and analytics that can be switched off across the organisation.

Same scores as the panel view — this lens weights them the way this judge cares.

Scored by The Works Council Advocate

Channels, threads & search

How this is scored

The daily surface: channel model, threading, mentions, files, and whether search can find a decision made eighteen months ago.

0 — Flat group chats with no threads; search covers recent messages only, and history is capped.

3 — Channels and direct messages with basic search, but threading is awkward or absent and file handling is a plain attachment list.

5 — Public and private channels, real threads, mentions and reactions, file sharing with previews, and full-text search across the whole history.

8 — Cross-organisation or guest channels with clear boundaries, message editing history, pinned and saved items, search with filters by channel, person and date, and a documented history limit or none at all.

10 — The archive is a working knowledge base: search that ranks well across years, threads that stay readable, channel lifecycle management (archive, rename, merge) without losing history, and export of a conversation in a form a human can read.

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The Works Council Advocate

Channels, real threads, file sharing and guest access are all stated, and search is advertised as unlimited over an unlimited message history — an archive that keeps an eighteen-month-old decision findable is the part I care about. We found no public information on mentions and reactions, channel privacy models, message editing history, pinned items, or search filters by channel, person and date. That places it just under the middle of the scale. 1

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Encryption & access control

How this is scored

What is encrypted and against whom, plus who can reach which room. Judged on documented mechanism, since "encrypted" in this category usually means the vendor holds the keys.

0 — Transport encryption only, undocumented; no role model beyond admin, guests indistinguishable from members.

3 — TLS and encryption at rest with vendor-held keys, basic roles, and guest access that mostly works.

5 — The above plus configurable roles per channel, SSO, guest accounts with scoped visibility, and a clear statement of what the vendor can read.

8 — Optional end-to-end encryption for direct messages or private rooms with the trade-offs named, device verification, session management an admin can revoke, and documented key handling.

10 — End-to-end encryption as a first-class mode — documented or open cryptography, cross-device key management that ordinary users survive, identity verification, and the vendor stating plainly what it cannot decrypt.

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The Works Council Advocate

The only access statement on the captured page is guest access described as limited access for external people. We found no public information on transport or at-rest encryption, key handling, configurable roles, SSO, session revocation, or what the vendor itself can read — and that silence is the first thing a works council reads. 1

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Retention, discovery & co-determination

How this is scored

The archive as a legal object: retention policies, export for discovery, audit, and the monitoring features a works council will ask to have switched off.

0 — No retention policy, no export beyond a manual copy, no audit log, and presence or activity analytics that cannot be disabled.

3 — Manual export of some data and a global history limit, but no per-channel retention, no audit log and no admin control over analytics.

5 — Configurable retention per channel or workspace, admin export in a documented format, an audit log of administrative actions, and status or presence that a user can control.

8 — Legal-hold and eDiscovery export including edits and deletions, retention executed per policy and evidenced, full admin audit trail, and activity analytics switchable off organisation-wide.

10 — Built to pass a works agreement and a subpoena on the same day: granular retention with documented deletion, discovery export a lawyer can use, complete audit, and no individual-level productivity scoring anywhere in the product.

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The Works Council Advocate

We found no public information on retention policy configuration, admin export in a documented format, an audit log, or whether call recording and any presence or activity analytics can be switched off organisation-wide — recording appears as a feature with no published governance around it. A chat log is a record of who spoke to whom at what hour, and on this evidence nothing about that record is inspectable or negotiable. 1

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Deployment & data custody

How this is scored

Whether the customer can hold their own archive: self-hosting, private cloud, open source, federation, and what an exit actually looks like.

0 — Cloud-only, proprietary, with export limited to a partial archive.

3 — Cloud-only, but with a documented full export in an open-ish format.

5 — A private-cloud or dedicated-instance option, or a self-hosted edition that lags the cloud significantly; full export documented.

8 — A genuine self-hosted edition close to feature parity, or open-source core with a documented upgrade path, plus complete export including files and metadata.

10 — Custody is the customer's: open-source or source-available server, self-hosting supported as a first-class deployment, open protocol or federation, and a migration path in and out that the vendor documents rather than resists.

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The Works Council Advocate

The captured page presents a hosted service with clients for Mac, Windows, Linux, Android, iOS and web, and we found no public information on self-hosting, a private-cloud or dedicated-instance option, open source, federation, or a documented export path. On this evidence the customer's own hold on their archive, and any exit from the vendor, is undocumented. 1

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Integrations & extensibility

How this is scored

Bots, webhooks, app framework, identity — whether the chat becomes the place work is noticed, and whether that is buildable without a partner agreement.

0 — No API, no webhooks, no bots.

3 — Incoming webhooks and a handful of native integrations; no bot framework, no documented limits.

5 — Documented REST API, incoming and outgoing webhooks, slash commands, a bot account model, and SSO.

8 — A proper app framework with interactive components, event subscriptions with retries, SCIM provisioning, documented rate limits and a sandbox.

10 — A platform: versioned API with a deprecation policy, an app directory or plugin system with permissions a customer can audit, and integrations the vendor maintains rather than lists.

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The Works Council Advocate

An API and an MCP interface are listed, with named integrations including Google Drive alongside Clockify and Plaky, which belong to the vendor's own suite. We found no public information on webhooks, slash commands, a bot account model, SCIM provisioning, documented rate limits or a sandbox, so what a customer can build rests on API access whose documentation we have not seen. 1

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European sovereignty

How this is scored

Where the archive and its metadata live, who the contracting entity is, which subprocessors touch it. Independently sourced by the sovereignty pipeline; scored here as this buyer weighs it.

0 — Non-EU vendor and contracting entity, hosting unstated or non-EU, subprocessors unnamed.

3 — EU data residency offered for message content while metadata, search indexes or support tooling remain non-EU, or the contracting entity sits outside the EU.

5 — EU hosting as standard and an EU contracting entity, but parts of the chain — notifications, AI features, analytics — are non-EU without an explained safeguard.

8 — EU hosting on named infrastructure, EU contracting entity, full subprocessor list published, any non-EU processing named with its legal basis.

10 — Sovereign end to end and evidenced: vendor, entity, hosting and every subprocessor European, certification published, and a self-hosted option that removes the question.

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The Works Council Advocate

The sovereignty record holds no attributes for this vendor: hosting location unstated, subprocessors unnamed, and the contracting entity is CAKE.com Inc., a name that carries no European indicators on the captured page. An unknown jurisdiction for the archive and its metadata is the worst position a works council can plan around; the published contracting entity alone lifts this slightly. 1

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Pricing transparency not rated — the vendor publishes no price

How this is scored

Whether a buyer can compute the annual invoice for their headcount — including the retention, compliance and guest features they actually need — from public pages alone.

0 — No public prices at all; every tier is a sales conversation.

3 — A per-user headline exists, but the tier where retention control, SSO or compliance export begins is unstated.

5 — Per-user prices public with billing period stated, but at least one commonly needed capability (unlimited history, SSO, eDiscovery) sits in an unpriced enterprise tier.

8 — Every tier priced publicly with per-user maths, history and storage limits, feature boundaries, minimum term and VAT treatment stated; self-hosted licensing priced too where offered.

10 — Complete price computability: annual invoice derivable for a given headcount and deployment choice, including guest users, storage and any per-instance licence.

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The Works Council Advocate

The free tier is published plainly — unlimited users, unlimited channels, unlimited message history — and four plan names appear: Free, Pro, Business, Enterprise. We found no public prices for any paid tier in the captured page, so an annual invoice for a given headcount cannot be computed from public information, and the tier where compliance capabilities begin is unstated. 1

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Where this could be wrong

What we left out

A claim that does not survive our checks costs us the claim, not the page. This is what was taken off this one.

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Sources (8)

The pages every claim on this page was read from — each one checked, dated, and kept verifiable.

  1. 1 Vendor page pumble.com Checked 22 Sep 2026 Details →
  2. 2 Channels, threads & search — found from sitemap pumble.com Checked 1 Oct 2026 Details →
  3. 3 Channels, threads & search — found from sitemap pumble.com Checked 1 Oct 2026 Details →
  4. 4 Encryption & access control — found from sitemap pumble.com Checked 1 Oct 2026 Details →
  5. 5 Retention, discovery & co-determination — found from sitemap pumble.com Checked 1 Oct 2026 Details →
  6. 6 Retention, discovery & co-determination — found from sitemap pumble.com Checked 1 Oct 2026 Details →
  7. 7 Integrations & extensibility — found from sitemap pumble.com Checked 1 Oct 2026 Details →
  8. 8 Integrations & extensibility — found from sitemap pumble.com Checked 1 Oct 2026 Details →