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RetroStack

retrostack.app

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Spec score 8.5 #5 of 31 in Retrospective Software

What it is

RetroStack is a collaborative board app for agile retrospectives, brainstorming, planning, and group decision-making. Participants edit the same board live across phones, tablets, laptops, and desktops, using six ready-made formats or custom boards. Voting limits can be set per section to 1, 2, 3, 5, or 10 votes, or left unlimited. Users can join anonymously with the full feature set, and no account is required to start a board. AI analysis can provide team sentiment insights and key themes, and generate action items and meeting recaps. Boards can be shared through private links or exported as PDF or JSON. The free plan is free and lists web, iOS, Android, and Mac access without sign-up. RetroStack says data is encrypted in transit and at rest, and user content is not used to train AI models; requested analysis is processed through OpenAI. The service may limit board creation, notes per section, votes per session, and AI analysis requests per day. Email support has a stated response time within 24 hours.

Spec sheet

Purpose
RetroStack provides collaborative boards for agile retrospectives, brainstorming and team decisions in real time.Read 15 Oct 2026 · retrostack.app
Audience
RetroStack is designed for agile, distributed, and remote teams running retrospectives, planning, brainstorming, and decision-making meetings.Read 1 Oct 2026 · retrostack.app
Integrations
The documented external services are Google and Apple authentication, Firebase/Google Cloud infrastructure and OpenAI analysis.Read 15 Oct 2026 · retrostack.app
Security
RetroStack says data is encrypted in transit and at rest, with access controls, authentication requirements, and monitoring for security incidents.Read 1 Oct 2026 · retrostack.app
Support
Technical support and bug reports are handled by email, with a stated response time within 24 hours.Read 15 Oct 2026 · retrostack.app
AI features
AI analysis provides team sentiment insights, key themes, automatically generated action items, and meeting recaps.Read 1 Oct 2026 · retrostack.app
AI limitation
The terms warn that AI results can contain errors and that AI features may be unavailable or rate-limited.Read 15 Oct 2026 · retrostack.app
AI privacy
RetroStack says it does not use user content to train AI models and processes content through OpenAI to provide requested analysis.Read 1 Oct 2026 · retrostack.app
AI processing
Requested AI analysis may send board content to OpenAI, and RetroStack says that content is not used to train AI models.Read 15 Oct 2026 · retrostack.app
AI summaries
AI analysis produces sentiment insights, key themes, action items and meeting recaps.Read 15 Oct 2026 · retrostack.app
Anonymous participation
People can join anonymously and receive the same feature set as signed-in users.Read 15 Oct 2026 · retrostack.app
Anonymous use
Users can join anonymously with the same full feature set, and no account is required to start a board.Read 1 Oct 2026 · retrostack.app
API and SDK
The maker pages reviewed do not publish a public API, SDK or developer documentation.Read 15 Oct 2026 · retrostack.app
App size
Apple lists the app at 58 MB.Read 15 Oct 2026 · apps.apple.com
App Store accessibility
Apple states that the developer has not indicated which accessibility features the app supports.Read 15 Oct 2026 · apps.apple.com
App Store privacy disclosure
Apple's listing says the developer may link contact information, user content, identifiers and usage data to users, while diagnostics may be collected without linkage.Read 15 Oct 2026 · apps.apple.com
Apple system requirements
The App Store listing requires iOS 15.6 or later, iPadOS 15.6 or later, and macOS 12.5 or later on an Apple M1-or-newer Mac.Read 15 Oct 2026 · apps.apple.com
Authentication
Sign-in options include email and password, Google and Apple, while anonymous use is supported with limited account requirements.Read 15 Oct 2026 · retrostack.app
Browser support
Support documentation lists Chrome, Safari, Firefox and Edge, recommending current versions.Read 15 Oct 2026 · retrostack.app
Collaboration
Everyone edits the same board live across phones, tablets, laptops, and desktops.Read 1 Oct 2026 · retrostack.app
Custom boards
Users can create boards with their own sections.Read 15 Oct 2026 · retrostack.app
Data retention
Deleted boards and account data are stated to be permanently removed within 30 days, while security logs are retained for 90 days.Read 15 Oct 2026 · retrostack.app
Decision boards
The product supports ideation workshops, planning and Pros and Cons decision boards.Read 15 Oct 2026 · retrostack.app
Exports
Boards can be exported as PDF or JSON files.Read 15 Oct 2026 · retrostack.app
Independent review coverage
The Apple listings provide no user-review overview because the app has not accumulated enough ratings or reviews.Read 15 Oct 2026 · apps.apple.com
Licence
The terms state that RetroStack owns its original service content, features and functionality, indicating proprietary software rather than open-source licensing.Read 15 Oct 2026 · retrostack.app
Maker location
The maker's LinkedIn profile places Clifton Hatfield in the Nashville metropolitan area.Read 15 Oct 2026 · linkedin.com
Maker project date
The LinkedIn project entry dates RetroStack to April 2025.Read 15 Oct 2026 · linkedin.com
Maker technology
Clifton Hatfield's LinkedIn project description says RetroStack was built with Flutter and Firebase and uses Firebase Firestore for live updates.Read 15 Oct 2026 · linkedin.com
Privacy rights
Users can export board data as JSON, delete boards and request account deletion.Read 15 Oct 2026 · retrostack.app
Rating on Apple App Store (Canada)
No rating shown; Apple says the app has not received enough ratings or reviews to display an overview.Read 15 Oct 2026 · apps.apple.com
Rating on Apple App Store (Dominican Republic)
No rating shown; Apple says the app has not received enough ratings or reviews to display an overview.Read 15 Oct 2026 · apps.apple.com
Rating on Apple App Store (Poland)
No rating shown; Apple says the app has not received enough ratings or reviews to display an overview.Read 15 Oct 2026 · apps.apple.com
Rating on Apple App Store (United States)
No rating shown; Apple says the app has not received enough ratings or reviews to display an overview.Read 15 Oct 2026 · apps.apple.com
Real-time collaboration
Participants edit the same board live across devices.Read 15 Oct 2026 · retrostack.app
Security controls
RetroStack states that data is encrypted in transit and at rest, with access controls, authentication requirements and security monitoring.Read 15 Oct 2026 · retrostack.app
Self-hosting
The maker pages reviewed describe a hosted web and native application and provide no self-hosting instructions.Read 15 Oct 2026 · retrostack.app
Sharing
Boards can be shared through private links.Read 15 Oct 2026 · retrostack.app
Sticky notes
Boards support colorful sticky notes that can be dragged, grouped and reordered.Read 15 Oct 2026 · retrostack.app
Templates
The service offers six ready-made board formats, including Classic Retrospective, Star Fish, Six Thinking Hats, Pros and Cons, and Mad, Sad, Glad.Read 15 Oct 2026 · retrostack.app
Usage limits
The terms allow limits on board creation, notes per section, votes per session and daily AI-analysis requests.Read 15 Oct 2026 · retrostack.app
Voting
Voting limits can be set per section to 1, 2, 3, 5, 10 or unlimited votes.Read 15 Oct 2026 · retrostack.app

Plans and prices

Free Free Free No sign-up required · Web, iOS, Android & Mac Read 15 Oct 2026 · retrostack.app

Every RetroStack plan and price →

Strong points and limits

Strong points

  • Live editing across phones, tablets, laptops, and desktops
  • Six ready-made formats plus custom boards
  • Anonymous users get the full feature set
  • Boards export to PDF or JSON
  • Free plan requires no sign-up

Limits

  • Board, note, voting, and daily AI limits may apply
  • Requested AI analysis is processed through OpenAI
  • Email support response time is within 24 hours

Who it suits

RetroStack suits agile, distributed, and remote teams running retrospectives, planning, brainstorming, or group decision-making sessions. Anonymous participation and no-account board creation may help teams that want to start without registration.

RetroStack in depth

Read the full write-up

RetroStack is a collaborative board for retrospectives, brainstorming and group decisions. It is best suited to agile and distributed teams that want participants to contribute without creating accounts. Its strongest case is the combination of live boards, configurable voting and useful meeting outputs at no charge; possible usage limits are the main caveat.

Overview

Everyone works on the same board in real time, whether joining from a phone, tablet, laptop or desktop. That makes RetroStack a practical option for meetings with participants spread across devices and locations. Six ready-made formats provide a starting point, while custom boards accommodate teams with a process of their own.

Anonymous participants get the same feature set as registered users, and a board can be started without an account. That lowers the barrier for occasional contributors and suits sessions where people prefer not to attach their names to feedback. Email/password, Google and Apple sign-in are also supported.

Key features

Facilitators can assign 1, 2, 3, 5 or 10 votes per section, or leave voting unlimited. The range supports both focused prioritization and open discussion, though potential per-session vote limits may constrain teams running many sessions. Action tracking helps carry decisions forward.

AI analysis can identify sentiment and themes, generate action items and produce meeting recaps. These outputs can help turn discussion into follow-up, but using them sends content through OpenAI for the requested analysis. RetroStack says it does not use user content to train AI models. Boards can also be exported as PDF or JSON and shared via private links.

RetroStack says data is encrypted in transit and at rest, with access controls, authentication requirements and security-incident monitoring. It uses Firebase and Google Cloud for storage and analytics. Technical support is by email, with a stated response time within 24 hours.

Pricing

The Free plan costs nothing and requires no sign-up. It includes web, iOS, Android and Mac access, retro templates, anonymous feedback and action tracking. That makes it a strong fit for teams wanting to run sessions without a paid commitment or account setup.

The trade-off is that RetroStack may limit board creation, notes per section, votes per session and AI analysis requests per day. Teams relying on frequent boards or regular AI summaries should account for those possible caps before making it their routine meeting hub.

Platforms

RetroStack runs on Android, iOS, macOS and the web. Its live shared-board approach is suited to mixed-device groups, rather than teams limited to one desktop platform.

Who it's for

Agile, remote and distributed teams running retrospectives, planning, brainstorming or decision-making meetings are the natural audience. It is especially compelling when anonymous participation and low-friction access matter. Teams needing predictable high-volume usage may prefer a service with limits that better match their workload.

Pros and cons

Pro: No account is needed to start a board, and anonymous users retain the full feature set, reducing friction for guests and candid feedback.

Pro: Live collaboration spans phones, tablets and computers, with six templates and custom boards for different meeting formats.

Pro: PDF and JSON exports, private links and action tracking help preserve outcomes beyond the live session.

Con: Possible caps on boards, notes, votes and daily AI requests make sustained or high-volume use less predictable.

Con: AI analysis involves processing through OpenAI, which may not suit teams that prefer not to send meeting content to that service.

Alternatives

Retrospective Software is a useful place to compare more options for this category.

Echometer may suit teams that want Linux and Windows support alongside web and macOS, with a free Starter plan covering one team, 25 workspace members and unlimited retro guests, but only one retro per month after its trial and an archive of two retros per team.

Neatro is worth considering for web-only teams seeking a free plan with up to 10 members, unlimited retrospectives and radars, and more than 70 templates.

ScatterSpoke may appeal to teams interested in API access and its free plan's static surveys, Agent Surveys, Ask credits and basic signal detection; the plan is limited to one seat.

FocusRetro offers a free web Starter plan with three personal boards per month, core templates, voting, reactions, phase timers and action items, making it an option for individuals with modest board needs.

Retrospected is an alternative for teams considering self-hosting; its free Basic plan includes unlimited retrospectives, customization, Giphy integration, anonymous accounts and 40 posts.

RetroTool is another option for teams comparing retrospective tools.

Team O'clock may fit teams willing to pay per active member for its Growth plan, which starts at 10 monthly active members and includes retrospective activities, unlimited activity history, team metrics and meeting features.

EasyRetro is another web-based alternative to consider.

Verdict

Choose RetroStack if your team wants a free, cross-device space for collaborative retrospectives and workshops, especially when account-free anonymous input matters. Its combination of configurable voting, exports and AI-generated outputs is useful, but teams with frequent sessions or concerns about sending content to OpenAI should look elsewhere.

Verdict

RetroStack combines live collaborative boards with configurable voting, exports, and AI-generated meeting outputs. Teams should account for the possibility of usage limits and note that requested content analysis is processed through OpenAI.

Where Specifiction places it

Alternatives to RetroStackAll alternatives →