RetroFlow
3.4Your team's favourite way to retro
RetroFlow is a free, no-signup retrospective board built by solo developer Prashant Meena, with colourful boards, real-time collaboration, 11 ready-made templates, anonymous feedback, dot voting, action items and PDF/Excel export. Participants join a shared link in one click with no account; the whole product is free with no paid tiers or locked features.
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Simyl Flow
5.4Measure what ships and sticks
Simyl Flow is an outcomes measurement platform for engineering teams in which the retrospective is one of five linked ceremonies (planning poker, standups, demo prep, retros, coaching). Retro boards are pre-populated with six sprint metrics pulled from Jira, Linear, GitHub and CI, AI generates candidate cards from the data, and unfinished action items carry forward — all feeding a six-dimension team health score tracked sprint over sprint.
Full review →Summary
RetroFlow scores 3.4 overall and is best for small or ad-hoc teams who want a genuinely free, zero-friction retro board they can share with one link — no signup, no payment and no setup, accepting that there is no timer, no integrations, no AI and no enterprise controls. It offers a free tier.
Simyl Flow scores 5.4 overall and is best for engineering orgs that already run retros and want them wired into delivery data — teams asking whether last sprint's improvement actually moved cycle time, review latency or change-failure rate, rather than teams shopping for a better sticky-note board. It offers a free tier.
RetroFlow leads on ease of use, value and fun factor. Simyl Flow leads on retro toolkit, AI & insights, integrations, open platform and enterprise-grade.
Across our eight scoring dimensions, Simyl Flow edges ahead with an overall score of 5.4. That said, the right pick depends on your team — see the dimension-by-dimension breakdown below.
Scores compared
| Detail | RetroFlow | Simyl Flow |
|---|---|---|
| Category | Retrospectives | All-in-One Agile |
| Team size | Small | Mid-market |
| Free tier | Yes | Yes |
| Free limit | Everything is free — all 11 templates, custom boards, saved layouts, real-time collaboration, anonymous feedback, dot voting, action items and PDF/Excel export, with no account required to join a board | 1 team, 10 stakeholders, 2 retros + 2 poker sessions/month, 1 integration, 90-day retention, CSV export |
| Starting price | Free | $29/team/mo |
| Est. 3 teams × 8 people | Free (no paid tier) | $87/mo (Pro — flat $29 per team × 3 teams; $72/mo billed annually) |
| Enterprise | No | Yes |
| Founded | — | 2024 |
| HQ | — | — |
| Data residency | — | United States |
| Languages | English only | English only |
| Export formats | PDF · Excel | CSV |
| Features | 7 | 24 |
| Integrations | 0 | 9 |
Feature & integration comparison
Side-by-side checklist across features, integrations and security. Hover a note for details.
| Capability | RetroFlow | Simyl Flow |
|---|---|---|
| Features | ||
| AI Summaries | — | ✓ |
| AI grouping/clustering | — | — |
| AI action items | — | — |
| Action tracking | ✓note | ✓ |
| Team Insights | — | ✓note |
| Polling | — | — |
| Action dashboard | — | ✓ |
| Custom templates | ✓note | ✓ |
| Anonymous input | ✓note | — |
| Independent voting | ✓note | ✓ |
| Async mode | — | ✓note |
| Agile Estimations | — | ✓note |
| Health Checks | — | ✓note |
| Team Kudos | — | ✓note |
| Whiteboard | — | — |
| Integrations | ||
| Asana | — | — |
| Azure DevOps | — | — |
| Basecamp | — | — |
| ClickUp | — | ✓note |
| Confluence | — | — |
| GitHub | — | ✓note |
| GitLab | — | ✓note |
| Jira | — | ✓note |
| Linear | — | ✓note |
| Microsoft Teams | — | ✓note |
| Monday.com | — | — |
| Notion | — | ✓note |
| Shortcut | — | ✓note |
| Slack | — | ✓note |
| Trello | — | — |
| Security & Privacy | ||
| SOC 2 | — | ✓note |
| GDPR | — | ✓ |
| SSO / SAML | — | ✓note |
| SCIM provisioning | — | — |
| ISO 27001 | — | ✓note |
| On-premises | — | ✓note |
| Public API | — | — |
| Webhooks | — | — |
| MCP server | — | ✓ |
RetroFlow — pros
- + Genuinely free with no paid tiers, no paywalled features and no account required to join a board
- + Anonymous feedback — participants contribute with no signup, email or PII collected
- + Three-step setup — pick a template, share the link, run the retro; participants join in one click and notes sync live
- + Eleven ready-made formats, up from seven — Sailboat, DAKI, Plus/Delta and Three Little Pigs are all new since the last review
- + <strong>PDF and Excel export</strong> of the finished board — new this quarter, and the only route to getting your data out
- + Light personalisation — custom column names, 2-6 columns, colour palettes and per-note emoji, with reusable saved layouts
RetroFlow — cons
- − No timer or phase controls — three separate timer requests sit unshipped on the vendor's own public roadmap, and there is no countdown anywhere in the app
- − No grouping of similar cards and no carry-over of previous action items — both still <em>Planned</em> on the roadmap
- − No integrations at all — nothing pushes to Jira, Linear, Slack or Teams, and there is no public API, webhooks or AI
- − No health checks, recurring retros, mood tracking or cross-team reporting
- − No enterprise security or compliance — no SOC 2, SSO, SCIM or audit logs, no GDPR statement in the privacy policy, and boards are private only by unguessable URL since there are no accounts
- − Built and run by a solo developer (Prashant Meena) with no support team or SLA — support routes to a personal WhatsApp number and LinkedIn DMs, and the free-tier backend still shows a ~10s cold start plus first-load errors
Simyl Flow — pros
- + Retro boards arrive pre-populated with six sprint metrics (velocity, cycle time, PRs merged, commits, bug rate, unplanned work) pulled from the tools the team already uses — the discussion starts from evidence rather than recall
- + Unusually broad delivery-data integration set for a tool that runs retros: Jira, Linear, Shortcut, ClickUp, Notion, GitHub/GitLab Issues, plus GitHub, GitLab and Bitbucket repos and their CI pipelines for DORA metrics
- + Official MCP server with 17 read-only tools, generally available and not tier-gated, so Claude, ChatGPT, Cursor or Windsurf can query sprint metrics, health scores and blocker summaries directly
- + Action items carry forward across sprints with completion-rate tracking, and the six-dimension health score answers whether last sprint's change actually landed
- + Flat per-team pricing ($29–49/team/mo) rather than per-seat, so a 24-person org on three teams pays $87/mo regardless of headcount inside each team
- + Deliberate privacy architecture — scores are team-level not individual, coaching notes are visible only to the developer and their manager, source code is never stored, and AI runs on Amazon Bedrock with no data retention
Simyl Flow — cons
- − Retro toolkit is thin on facilitator staples: no documented timer or timeboxed phases, no anonymous submission, no drag-and-drop grouping, no presentation mode, no recurring or scheduled retros, and only 5 built-in templates against 50+ at retro-native tools
- − Almost no engagement layer — no icebreakers, GIFs, reactions, music or kudos wall; the product is deliberately metrics-serious, which makes it a poor fit for teams whose retro problem is participation rather than measurement
- − The health score is computed from delivery signals, not from the team — there is no survey-based health check, mood tracking, sentiment analysis or ROTI, so how the team <em>feels</em> is never captured
- − Enterprise claims are self-attested: 'SOC 2 aligned, not certified' and 'ISO 27001 aligned, not certified', inheriting AWS's certifications rather than holding its own; SSO/SAML sits behind a quote-only tier, and there is no SCIM or audit log
- − Export is CSV only, and there is no public REST API or webhooks — the MCP server is read-only, so nothing can push data back in programmatically
- − Young vendor (Simyl AI, Inc., founded 2024) that self-describes as 'a small team of engineers', with no published HQ, named founders, third-party reviews or G2/Capterra presence — a real durability question for procurement
- − Free tier is genuinely small (1 team, 10 stakeholders, 2 retros/month, 1 integration, 90-day retention), and Azure DevOps is still 'coming soon' rather than shipped
Keep comparing
Other RetroFlow comparisons
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Not sure which to pick? Read our guide on how to choose a retrospective tool.