# Tirtle > Tirtle is a PMP study companion, with short practice sessions, explanations, and saved progress. Public product information and help can be read without signing in. Saved learning activity requires the learner’s account. Tirtle is independent of PMI. It does not guarantee exam success or award qualifying education hours or PDUs. Plus pricing is conditional on purchasing being available. Check the plan guide and actual checkout before stating purchase availability. ## Start here - [Agent directory](https://tirtle.com/agents): Public facts, source pages, and API instructions. - [Concierge JSON catalog](https://tirtle.com/api/agent/concierge): Read-only discovery; use ?q=cancel or ?resource=plans. - [OpenAPI description](https://tirtle.com/api/agent/openapi.json): HTTP request and response contract. - [Discovery manifest](https://tirtle.com/.well-known/agent.json): Machine-readable resource map. - [Full public documentation](https://tirtle.com/llms-full.txt): Consolidated Markdown. ## Public resources - [About Tirtle](https://tirtle.com/agent-docs/overview.md): Tirtle is a PMP study companion, with short practice sessions, explanations, and saved progress. Source: https://tirtle.com/agents#overview - [Tirtle Help](https://tirtle.com/agent-docs/help.md): Find help with sign-in, practice, plans, progress, and privacy. Source: https://tirtle.com/help - [Contact Tirtle](https://tirtle.com/agent-docs/contact.md): Contact hello@tirtle.com for product, billing, privacy, or accessibility questions. Source: https://tirtle.com/about - [Privacy notice](https://tirtle.com/agent-docs/privacy.md): Read how Tirtle uses account and learning information, and how to make a privacy request. Source: https://tirtle.com/privacy - [Terms of use](https://tirtle.com/agent-docs/terms.md): Read the service terms, practice limitations, and account responsibilities. Source: https://tirtle.com/terms - [Cookie policy](https://tirtle.com/agent-docs/cookies.md): Read about essential storage and your optional cookie and analytics choices. Source: https://tirtle.com/cookies - [Add Tirtle to your home screen](https://tirtle.com/agent-docs/help-add-tirtle-to-home-screen.md): Keep your next practice one tap away on iPhone, iPad or Android. Source: https://tirtle.com/help/add-tirtle-to-home-screen - [Sign in to Tirtle](https://tirtle.com/agent-docs/help-sign-in-to-tirtle.md): Choose Google or return to an existing ChatGPT study space. Source: https://tirtle.com/help/sign-in-to-tirtle - [Find your earlier progress](https://tirtle.com/agent-docs/help-find-your-saved-progress.md): The sign-in method you used matters, even with the same email address. Source: https://tirtle.com/help/find-your-saved-progress - [Try Tirtle before you sign in](https://tirtle.com/agent-docs/help-try-the-welcome-walkthrough.md): Explore a short practice example, then start your own study space. Source: https://tirtle.com/help/try-the-welcome-walkthrough - [Make the most of your Daily Challenge](https://tirtle.com/agent-docs/help-daily-challenge.md): Ten questions, a place to return, and a small reward for finishing. Source: https://tirtle.com/help/daily-challenge - [Explore Journeys and Special Missions](https://tirtle.com/agent-docs/help-journeys-and-special-missions.md): Learn through short cases and give your practice a new setting. Source: https://tirtle.com/help/journeys-and-special-missions - [How Gems and badges work](https://tirtle.com/agent-docs/help-gems-and-badges.md): Celebrate completed practice and personalize your study space. Source: https://tirtle.com/help/gems-and-badges - [Learn from a missed answer](https://tirtle.com/agent-docs/help-review-missed-decisions.md): Use explanations and review practice to find a better next move. Source: https://tirtle.com/help/review-missed-decisions - [Decide if Plus fits your study plan](https://tirtle.com/agent-docs/plans.md): A short guide to share with someone helping you pay. Source: https://tirtle.com/help/choosing-a-plan - [Thinking about Tirtle for your team?](https://tirtle.com/agent-docs/help-tirtle-for-teams.md): What teammates can use today, and what to check before buying. Source: https://tirtle.com/help/tirtle-for-teams - [What’s free, and what’s in Plus?](https://tirtle.com/agent-docs/help-free-practice-and-plus.md): Keep practicing for free; explore the additional Plus experience. Source: https://tirtle.com/help/free-practice-and-plus - [Take a practice exam](https://tirtle.com/agent-docs/help-exam-rehearsals-and-timers.md): Understand the timer, section locks, and what you’ll see afterward. Source: https://tirtle.com/help/exam-rehearsals-and-timers - [Understand your progress](https://tirtle.com/agent-docs/help-understand-your-progress.md): Understand your study areas, practice answers, and saved results. Source: https://tirtle.com/help/understand-your-progress - [Keep an application draft in Tirtle](https://tirtle.com/agent-docs/help-prepare-an-application-draft.md): Organize your records, save your work, and download an editable draft. Source: https://tirtle.com/help/prepare-an-application-draft - [Get help when work won’t save](https://tirtle.com/agent-docs/help-practice-not-saving.md): Check your connection and account, then retry without losing an open draft. Source: https://tirtle.com/help/practice-not-saving - [Make your study space feel like you](https://tirtle.com/agent-docs/help-personalize-and-reduce-motion.md): Choose a character, switch to dark mode, set a daily goal, or make Tirtle’s motion calmer. Source: https://tirtle.com/help/personalize-and-reduce-motion - [Manage privacy and cookie choices](https://tirtle.com/agent-docs/help-privacy-and-cookie-choices.md): Review optional choices and understand where your saved work belongs. Source: https://tirtle.com/help/privacy-and-cookie-choices - [Tirtle Blog](https://tirtle.com/agent-docs/blog.md): Practical PMP study plans, exam practice and project management guides with worked examples and source links. Source: https://tirtle.com/blog - [A PMP study plan for busy professionals](https://tirtle.com/agent-docs/blog-pmp-study-plan-for-busy-professionals.md): Build a PMP study plan that fits a busy workweek with short practice sessions, a useful review log, and a weekly check that helps you choose what comes next. Source: https://tirtle.com/blog/pmp-study-plan-for-busy-professionals - [A practical 30-day PMP study plan](https://tirtle.com/agent-docs/blog-pmp-study-plan-30-days.md): Use a practical 30-day PMP study plan to organize focused review, fresh questions, and timed practice while checking whether the schedule fits your starting point. Source: https://tirtle.com/blog/pmp-study-plan-30-days - [A 60-day PMP study plan with room to learn](https://tirtle.com/agent-docs/blog-pmp-study-plan-60-days.md): Create a 60-day PMP study plan with room for foundations, mixed practice, mistake review, and realistic schedule changes without turning every evening into study. Source: https://tirtle.com/blog/pmp-study-plan-60-days - [How to study for PMP without relying on memorization](https://tirtle.com/agent-docs/blog-how-to-study-for-pmp-without-memorizing.md): Learn how to study for PMP by explaining project decisions, testing your reasoning, and using simple examples so familiar words become useful knowledge. Source: https://tirtle.com/blog/how-to-study-for-pmp-without-memorizing - [The PMP exam in 2026: what to check before you study](https://tirtle.com/agent-docs/blog-pmp-exam-2026-what-to-check.md): Check the July 2026 PMP exam outline, timing, question formats, and current policies before you update your study plan or choose preparation materials. Source: https://tirtle.com/blog/pmp-exam-2026-what-to-check - [How to review PMP practice questions so the lesson sticks](https://tirtle.com/agent-docs/blog-how-to-review-pmp-practice-questions.md): Review PMP practice questions with a clear process that separates knowledge gaps from reading mistakes and turns each explanation into a useful next step. Source: https://tirtle.com/blog/how-to-review-pmp-practice-questions - [PMP mock exam readiness: what your practice can tell you](https://tirtle.com/agent-docs/blog-pmp-mock-exam-readiness.md): Judge PMP mock exam readiness using fresh questions, clear explanations, pacing, and topic coverage instead of treating one practice score as a pass prediction. Source: https://tirtle.com/blog/pmp-mock-exam-readiness - [PMP exam time management: build a pacing routine](https://tirtle.com/agent-docs/blog-pmp-exam-time-management.md): Build a practical PMP exam time-management routine with pacing checks, careful reading, and rehearsal habits that keep one hard question from taking over. Source: https://tirtle.com/blog/pmp-exam-time-management - [A calmer practice routine for PMP exam nerves](https://tirtle.com/agent-docs/blog-pmp-exam-anxiety-practice-routine.md): Create a calmer PMP practice routine with a repeatable start, manageable timed sessions, and useful reviews that focus on the next decision rather than the score. Source: https://tirtle.com/blog/pmp-exam-anxiety-practice-routine - [PMP application experience examples: describe your real work clearly](https://tirtle.com/agent-docs/blog-pmp-application-experience-examples.md): Write clearer PMP application experience examples by recording your real role, project objectives, decisions, and outcomes without overstating your contribution. Source: https://tirtle.com/blog/pmp-application-experience-examples - [How to reason through PMP situational questions](https://tirtle.com/agent-docs/blog-pmp-situational-questions.md): Learn how to read PMP situational questions, identify the decision that matters, and choose a next action with a practical example and review routine. Source: https://tirtle.com/blog/pmp-situational-questions - [PMP answer elimination: compare actions, not keywords](https://tirtle.com/agent-docs/blog-pmp-answer-elimination.md): Use a clear PMP answer elimination method to compare authority, timing, evidence, and consequences, with an original scenario and a focused review exercise. Source: https://tirtle.com/blog/pmp-answer-elimination - [Agile, predictive, or hybrid: choose an approach that fits](https://tirtle.com/agent-docs/blog-agile-vs-predictive-vs-hybrid.md): Compare agile, predictive, and hybrid project approaches through a practical example, useful selection questions, and the governance choices each needs. Source: https://tirtle.com/blog/agile-vs-predictive-vs-hybrid - [Scrum roles for PMP study: who is accountable for what?](https://tirtle.com/agent-docs/blog-scrum-roles-for-pmp.md): Understand Product Owner, Scrum Master, and Developer accountabilities with a practical Scrum scenario, clear decision boundaries, and a short exercise. Source: https://tirtle.com/blog/scrum-roles-for-pmp - [Product Backlog vs Sprint Backlog, with a simple example](https://tirtle.com/agent-docs/blog-product-backlog-vs-sprint-backlog.md): Learn the difference between the Product Backlog and Sprint Backlog, who shapes each, and how a Scrum team can adapt its plan without losing its goal. Source: https://tirtle.com/blog/product-backlog-vs-sprint-backlog - [Servant leadership in project management: help the team succeed](https://tirtle.com/agent-docs/blog-servant-leadership-project-management.md): Practice servant leadership in project management with a realistic team example, useful coaching questions, and clear boundaries for accountable decisions. Source: https://tirtle.com/blog/servant-leadership-project-management - [Build a stakeholder engagement plan people can use](https://tirtle.com/agent-docs/blog-stakeholder-engagement-plan.md): Create a practical stakeholder engagement plan that connects people, concerns, decisions, and follow-up, with a worked example and a useful review checklist. Source: https://tirtle.com/blog/stakeholder-engagement-plan - [Resolve project team conflict without guessing at the cause](https://tirtle.com/agent-docs/blog-project-team-conflict-resolution.md): Handle project team conflict with a practical conversation sequence, an original delivery example, and guidance on when facilitation or escalation is needed. Source: https://tirtle.com/blog/project-team-conflict-resolution - [A practical change control process, from request to decision](https://tirtle.com/agent-docs/blog-change-control-process.md): Follow a practical change control process that makes scope, cost, schedule, and approval clear, with an original example and a short request checklist. Source: https://tirtle.com/blog/change-control-process - [Risk vs issue: what changed, and what should you do?](https://tirtle.com/agent-docs/blog-risk-vs-issue.md): Learn the difference between a project risk and an issue, with a supplier example, a clear record format, and practical steps when uncertainty becomes real. Source: https://tirtle.com/blog/risk-vs-issue - [Risk response strategies: choose an action, not just a label](https://tirtle.com/agent-docs/blog-risk-response-strategies.md): Compare project risk response strategies with practical threat and opportunity examples, clear ownership, and the authority checks needed before acting. Source: https://tirtle.com/blog/risk-response-strategies - [Create a project communication plan that supports decisions](https://tirtle.com/agent-docs/blog-project-communication-plan.md): Build a project communication plan around audience needs, decisions, owners, and timing, with a practical update example and a simple planning checklist. Source: https://tirtle.com/blog/project-communication-plan - [Earned value management formulas, explained with one example](https://tirtle.com/agent-docs/blog-earned-value-management-formulas.md): Understand earned value formulas through one clear project example, including PV, EV, AC, cost and schedule variances, CPI, SPI, and their practical limits. Source: https://tirtle.com/blog/earned-value-management-formulas - [CPI and SPI worked examples: read both sides of performance](https://tirtle.com/agent-docs/blog-cpi-spi-worked-examples.md): Practice CPI and SPI with three original worked examples, clear cost and schedule interpretations, and the checks needed before reporting project health. Source: https://tirtle.com/blog/cpi-spi-worked-examples - [Estimate at completion formulas: choose the assumption first](https://tirtle.com/agent-docs/blog-estimate-at-completion-formulas.md): Compare estimate at completion formulas with one worked project example, clear assumptions for remaining work, and practical checks before using a forecast. Source: https://tirtle.com/blog/estimate-at-completion-formulas - [A critical path method example you can work through](https://tirtle.com/agent-docs/blog-critical-path-method-example.md): Calculate a critical path with a small original project network, see how float works, and understand why dependencies and resource limits still matter. Source: https://tirtle.com/blog/critical-path-method-example - [Project budget vs cost baseline: make the reserves clear](https://tirtle.com/agent-docs/blog-project-budget-vs-cost-baseline.md): Understand project budget, cost baseline, contingency reserve, and management reserve through a clear worked example and the approvals needed for changes. Source: https://tirtle.com/blog/project-budget-vs-cost-baseline - [Prevent scope creep while staying open to useful change](https://tirtle.com/agent-docs/blog-scope-creep-prevention.md): Prevent scope creep with clear outcomes, acceptance criteria, visible tradeoffs, and authorized decisions, using a practical project example and checklist. Source: https://tirtle.com/blog/scope-creep-prevention - [Lessons learned and retrospectives: turn insight into a change](https://tirtle.com/agent-docs/blog-lessons-learned-retrospective.md): Make lessons learned and retrospectives useful with a practical review format, a worked handoff example, and a small experiment you can check next cycle. Source: https://tirtle.com/blog/lessons-learned-retrospective - [Responsible AI in project management: start with a bounded task](https://tirtle.com/agent-docs/blog-ai-in-project-management-responsible-use.md): Use AI responsibly in project management with a practical task-selection checklist, a safe drafting example, and clear human review and approval boundaries. Source: https://tirtle.com/blog/ai-in-project-management-responsible-use ## Account boundaries Use this directory for public information. It does not authorize access to learner records, account credentials, community posts, protected questions, or application drafts. Robots instructions do not grant access. For account help, direct the learner to the relevant help article. Purchases, subscriptions, profile changes, and learning actions require the learner’s explicit choice through the existing interface. Contact: hello@tirtle.com