Echometer
6.0Psychology-backed retros and team health checks for engineering teams
Echometer is a German retrospective and 1:1 meeting platform built around recurring health-check pulses, structured retros, and longitudinal team development tracking. It pitches itself to engineering managers, scrum masters and agile coaches who want <strong>research-grounded surveys</strong> rather than a blank whiteboard.
Full review →
Retro Rabbit
5.6Slack-first retrospectives with async note capture
Retro Rabbit is a Slack-native retrospective tool that lets teams capture notes throughout the sprint with a /retro command, then runs the retro on a synced web board with voting, action items and an optional CarrotIQ AI assistant. <em>Public update cadence appears slow — verify the product is still actively maintained before committing.</em>
Full review →Summary
Echometer scores 6.0 overall and is best for engineering managers and agile coaches who want recurring health-check pulses tied to retros, with EU data residency and a research-flavoured question library. It offers a free tier.
Retro Rabbit scores 5.6 overall and is best for slack-centric agile teams that want to capture retro notes continuously through the sprint and run lightweight live or async retros without leaving chat. It offers paid plans from $30/mo.
Echometer leads on retro toolkit, value and enterprise-grade. Retro Rabbit leads on ease of use.
Across our seven scoring dimensions, Echometer edges ahead with an overall score of 6.0. That said, the right pick depends on your team — see the dimension-by-dimension breakdown below.
Scores compared
| Detail | Echometer | Retro Rabbit |
|---|---|---|
| Category | Retrospectives | Retrospectives |
| Team size | Mid-market | Small |
| Free tier | Yes | No |
| Free limit | Starter: 1 team, 25 workspace members, 1 retro/month after trial | 14-day free trial, no credit card required |
| Starting price | €35/mo | $30/mo |
| Est. 3 teams × 8 people | €35/mo | $30/mo |
| Enterprise | Yes | Yes |
| Founded | 2019 | — |
| HQ | Münster, Germany | United States |
| Features | 46 | 17 |
| Integrations | 1 | 1 |
Feature & integration comparison
Side-by-side checklist across features, integrations and security. Hover a note for details.
| Capability | Echometer | Retro Rabbit |
|---|---|---|
| Features | ||
| AI Summaries | ✓ note | ✓ note |
| AI grouping/clustering | ✓ note | ✓ note |
| AI action items | ✓ note | ✓ note |
| Action tracking | ✓ | ✓ |
| Team Insights | — | — |
| Polling | ✓ | — |
| Action dashboard | ✓ | — |
| Custom templates | ✓ | ✓ |
| Anonymous input | ✓ | ✓ |
| Independent voting | ✓ | ✓ |
| Async mode | ✓ | ✓ |
| Agile Estimations | — | — |
| Health Checks | ✓ | — |
| Team Kudos | — | — |
| Whiteboard | ✓ | — |
| Integrations | ||
| Asana | — | — |
| Azure DevOps | — | — |
| Confluence | — | — |
| GitHub | — | — |
| Jira | ✓ | — |
| Linear | — | — |
| Microsoft Teams | — | — |
| Slack | — | ✓ |
| Trello | — | — |
| Security & Privacy | ||
| SOC 2 | — | ✓ note |
| GDPR | ✓ | — |
| SSO/SAML/SCIM | ✓ note | ✓ note |
| ISO 27001 | — | — |
| On-premises | — | — |
| Data residency (US/EU) | ✓ note | — |
Echometer — Pros
- + Health-check question library grounded in University of Münster psychology research
- + Strong longitudinal pulse and team-radar reporting tied to retros
- + EU-only data residency (Open Telekom Cloud, Germany) with GDPR DPA
- + AI Co-Pilot clusters ideas and proposes SMART action items
Echometer — Cons
- − Thin chatops integrations — no native Slack, Teams or Confluence
- − No SOC 2; relies on ISO 27001 datacenters and EU residency
- − 1:1 meetings and the deepest AI live in a separate paid product
- − No native scheduling or recurring retros — sessions start manually
Retro Rabbit — Pros
- + Genuine Slack-first workflow — capture notes via /retro during the sprint, not just at retro time
- + Reduces recency bias by collecting feedback continuously, not in a 5-minute silent write
- + Simple, opinionated UX with drag/drop grouping and dot voting
- + CarrotIQ AI handles grouping, action items and summaries on the Pro AI plan
- + Per-team flat pricing scales cleanly for small squads
Retro Rabbit — Cons
- − Slack is the only chat/issue-tracker integration — no Jira, Teams, Confluence, GitHub, Linear or Azure DevOps
- − No health checks, team radars or longitudinal trend reporting
- − No org-level dashboards, cross-team rollups or action kanban
- − Enterprise controls are thin: SSO is Enterprise-tier only, no SCIM, no audit logs, no documented GDPR posture
- − Per-team (not per-user) pricing can get expensive at scale across many small teams