Ludi
6.9Playful collaborative whiteboard for agile teams
Ludi (formerly Metro Retro, rebranded August 2025) is a visual agile collaboration whiteboard with 100+ templates spanning retros, planning poker, icebreakers and futurespectives. Its signature illustrated canvas and gadgets make ceremonies feel engaging, and a first AI feature — sticky-note clustering — shipped February 2026.
Full review →
Retrium
6.2Guided retrospectives and Team Radars for scrum and agile teams
Retrium is a long-running, retrospectives-only tool that emphasises guided five-phase facilitation, anonymous brainstorming, voting, a persistent action plan, and Team Radar health checks for distributed teams.
Full review →Summary
Ludi scores 6.9 overall and is best for agile teams who want retros, planning and workshops to feel visual and fun, with a solid Jira-backed delivery loop. It offers paid plans from $5/user/mo.
Retrium scores 6.2 overall and is best for scrum masters and agile coaches who want a focused, retro-only tool with strong facilitation guardrails and a built-in Team Radar. It offers paid plans from $39/mo.
Ludi leads on ease of use, value, fun factor and AI & insights. Retrium leads on enterprise-grade.
Across our seven scoring dimensions, Ludi edges ahead with an overall score of 6.9. That said, the right pick depends on your team — see the dimension-by-dimension breakdown below.
Scores compared
| Detail | Ludi | Retrium |
|---|---|---|
| Category | Retrospectives | Retrospectives |
| Team size | Small | Enterprise |
| Free tier | No | No |
| Free limit | 30-day free trial; boards become read-only when the trial expires | 30-day free trial (column techniques and Team Radar), no credit card required |
| Starting price | $5/user/mo | $39/mo |
| Est. 3 teams × 8 people | $120/mo | $39/mo |
| Enterprise | Yes | Yes |
| Founded | 2020 | 2014 |
| HQ | UK | Washington, D.C., USA |
| Features | 33 | 23 |
| Integrations | 1 | 2 |
Feature & integration comparison
Side-by-side checklist across features, integrations and security. Hover a note for details.
| Capability | Ludi | Retrium |
|---|---|---|
| Features | ||
| AI Summaries | — | — |
| AI grouping/clustering | ✓ note | — |
| AI action items | — | — |
| Action tracking | ✓ | ✓ |
| Team Insights | — | — |
| Polling | ✓ note | — |
| Action dashboard | — | ✓ note |
| Custom templates | ✓ | ✓ |
| Anonymous input | ✓ note | ✓ |
| Independent voting | ✓ | ✓ |
| Async mode | — | ✓ |
| Agile Estimations | ✓ | — |
| Health Checks | — | ✓ |
| Team Kudos | ✓ note | — |
| Whiteboard | ✓ | — |
| Integrations | ||
| Asana | — | — |
| Azure DevOps | — | — |
| Confluence | — | — |
| GitHub | — | — |
| Jira | ✓ note | ✓ note |
| Linear | — | — |
| Microsoft Teams | — | — |
| Slack | — | ✓ note |
| Trello | — | — |
| Security & Privacy | ||
| SOC 2 | ✓ note | ✓ |
| GDPR | ✓ | ✓ |
| SSO/SAML/SCIM | ✓ note | ✓ note |
| ISO 27001 | — | — |
| On-premises | — | — |
| Data residency (US/EU) | ✓ note | — |
Ludi — Pros
- + Genuinely delightful, illustrated UI that energises in-person and remote retros
- + Broad template library (100+) covering retros, icebreakers, planning poker, futurespectives, planning and estimation
- + Solid two-way Jira integration: backlog refinement, estimation and issue creation in-board
- + Facilitator controls, private writing mode and shareable team spaces
- + First AI feature shipped Feb 2026 — Sort into Topics auto-groups stickies into labelled topics
- + EU-hosted (Amsterdam) on SOC 2 / ISO 27001 infrastructure; GDPR-aligned
Ludi — Cons
- − No async retro mode, no recurring or scheduled retros
- − No team health check or longitudinal pulse product; mood/radar work via whiteboard templates only
- − Integrations limited to Jira — no Slack, Teams, Confluence, GitHub, Linear or Azure DevOps
- − AI limited to one clustering feature — no summaries, action-item extraction, sentiment or coaching
- − No ongoing free plan; expired trials become read-only
- − SSO gated to Enterprise tier; no SCIM, audit logs or domain restrictions advertised
Retrium — Pros
- + Battle-tested five-phase guided facilitation flow
- + Anonymous brainstorming and grouping by design
- + Persistent team-room action plan that carries forward between retros
- + Team Radar covers psychological safety and custom health checks
- + Per-team-room pricing with unlimited users on every plan
Retrium — Cons
- − No free tier; 30-day trial only
- − Integrations are thin beyond Jira Cloud and a <em>still-beta</em> Slack app
- − <strong>No AI features at all</strong> — no summary, clustering, action-item extraction or insights
- − No native Microsoft Teams, Azure DevOps, GitHub, Linear or Confluence integration
- − Public shipping cadence has slowed — no 2025 changelog or product blog activity visible
- − Retro-only scope; no planning poker, kudos, icebreakers or whiteboard