Ludi
5.7Playful 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 →
Reetro
6.4Fun, easy and AI-powered online retrospectives
Reetro is a lightweight retrospective tool with a generous free tier and AI-powered paid tiers covering meeting summaries, sentiment analysis, AI card grouping, monthly reports, customizable health checks and an action tracker. ISO 27001 is held at the vendor level; SOC 2 is described as compliance on SOC 2-certified infrastructure rather than a published Reetro-level Type 2 audit.
Full review →Summary
Ludi scores 5.7 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 $4/user/mo billed annually.
Reetro scores 6.4 overall and is best for small to mid-sized agile teams who want a low-cost, easy retro board with AI summaries, customizable health checks and Jira/Azure DevOps export — with a flat-rate org-wide tier if you outgrow per-team pricing. It offers a free tier.
Ludi leads on ease of use and fun factor. Reetro leads on value, AI & insights, integrations and enterprise-grade.
Across our seven scoring dimensions, Reetro edges ahead with an overall score of 6.4. That said, the right pick depends on your team — see the dimension-by-dimension breakdown below.
Scores compared
| Detail | Ludi | Reetro |
|---|---|---|
| Category | Retrospectives | Retrospectives |
| Team size | Small | Small |
| Free tier | No | Yes |
| Free limit | 30-day free trial; boards become read-only when the trial expires | 3 teams, 9 members per team, 10 active boards/month, 4 columns, 1 health check/month |
| Starting price | $4/user/mo billed annually | $39/team/mo ($32/team/mo annual); flat $49/mo org-wide on Pro Unlimited |
| Est. 3 teams × 8 people | $96/mo billed annually | Free (within free tier) |
| Enterprise | Yes | Yes |
| Founded | 2020 | 2019 |
| HQ | UK | Copenhagen, Denmark |
| Data residency | European Union | — |
| Languages | English only | English only |
| Features | 33 | 41 |
| Integrations | 1 | 7 |
Feature & integration comparison
Side-by-side checklist across features, integrations and security. Hover a note for details.
| Capability | Ludi | Reetro |
|---|---|---|
| Features | ||
| AI Summaries | — | ✓ |
| AI grouping/clustering | ✓ note | ✓ note |
| AI action items | — | — |
| Action tracking | ✓ | ✓ |
| Team Insights | — | ✓ |
| Polling | ✓ note | ✓ |
| Action dashboard | — | ✓ |
| Custom templates | ✓ | ✓ note |
| Anonymous input | ✓ note | ✓ note |
| Independent voting | ✓ | ✓ |
| Async mode | — | ✓ |
| Agile Estimations | ✓ | — |
| Health Checks | — | ✓ |
| Team Kudos | ✓ note | ✓ note |
| Whiteboard | ✓ | — |
| Integrations | ||
| Asana | — | — |
| Azure DevOps | — | ✓ note |
| Basecamp | — | — |
| ClickUp | — | ✓ note |
| Confluence | — | ✓ note |
| GitHub | — | — |
| GitLab | — | — |
| Jira | ✓ note | ✓ note |
| Linear | — | — |
| Microsoft Teams | — | ✓ note |
| Monday.com | — | — |
| Notion | — | — |
| Shortcut | — | — |
| Slack | — | ✓ note |
| Trello | — | ✓ note |
| Security & Privacy | ||
| SOC 2 | ✓ note | ✓ note |
| GDPR | ✓ | ✓ |
| SSO / SAML | ✓ note | ✓ note |
| SCIM provisioning | — | — |
| ISO 27001 | — | ✓ |
| On-premises | — | ✓ note |
| Public API | — | — |
| Webhooks | — | — |
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) and GDPR-aligned (SOC 2 / ISO 27001 sit at the Digital Ocean infrastructure layer, not Ludi)
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 a paid/Enterprise plan; no SCIM or audit logs advertised
Reetro — pros
- + Generous free tier with no credit card required — 3 teams, 9 members covers a 24-person org
- + Flat-rate Pro Unlimited at $49/mo covers the whole org — strong value if you outgrow per-team pricing
- + AI summaries, sentiment analysis, AI card grouping and monthly reports included on paid
- + Customizable team health checks, polls and a happiness index
- + ISO 27001 certified at the vendor level, plus audit logs and a public trust center; on-premises available on the Business tier
Reetro — cons
- − Free plan capped at 3 teams, 9 members, 10 boards/month and 4 columns, with anonymity now paid-only
- − Per-team Pro pricing rose to $39/team/mo ($32 annual); the cheapest path for scale is the flat Pro Unlimited
- − Voting is essentially thumbs up/down — no vote-on-ideas-in-groups
- − No published Reetro-level SOC 2 Type 2 audit (compliance rests on SOC 2-certified infrastructure)
- − No public changelog or release notes — hard to verify what's shipped recently from the outside
- − No planning poker, whiteboard, presentation mode, native mobile app, or GitHub/Linear integrations